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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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SHAPING OR JOINING OF PLASTICS ; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING(
{
moulding devices for producing toilet or cosmetic sticks A45D 40/16
}
; working in the manner of metal B23; grinding, polishing B24; cutting B26D, B26F; making preforms B29B 11/00 ; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B 37/00 - B32B 41/00 )
NOTE
-

1. Attention is drawn to Note (3) following the title of class B29.

2. In this subclass:
- repairing of articles made from plastics or substances in
a plastic state, e.g. of articles shaped or produced by
using techniques covered by this subclass or subclass B29D,
is classified in group B29C 73/00 ;
- component parts, details, accessories or auxiliary
operations which are applicable to more than one moulding
technique a reclassified in groups B29C 31/00 to B29C 37/00 ;
- component parts, details, accessories or auxiliary
operations which are only of use for one specific shaping
technique a reclassified only in the relevant subgroups of
groups B29C 39/00 to B29C 71/00 .


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Guide Heading:
Component parts, details or accessories ; Auxiliary operations
NOTE
-
Attention is drawn to Note (3) following the subclass title

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Handling, e.g. feeding of the material to be shaped,
{
storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots( discharging moulded articles from the mould B29C 37/0003 ; storage of prepregs or SMC after impregnation or during ageing B29C 70/54 ; baling of rubber B29B 15/02 ; in general B65G )
}
.
{
Handling tubes, e.g. transferring between shaping stations, loading on mandrels
}
.
{
Arrangements for converting the motion of a material which is continuously fed to a working station in a stepwise motion
}
.
{
Handling moulds, e.g. between a mould store and a moulding machine( movable moulds B29C 33/34 ; for injection moulding B29C 45/1756 )
}
.
{
Handling preformed parts, e.g. inserts( B29C 37/001 takes precedence; for injection moulding B29C 45/14008 ; for blow moulding B29C 49/2408 ; for thermoforming B29C 51/165 )
}
.
Dispensing from vessels, e.g. hoppers
{
( into a mould cavity B29C 31/04 ; large containers characterised by discharge means B65D 88/28 , B65D 88/54 )
}
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.
Feeding
{
of the material to be moulded
}
, e.g. into a mould cavity(
{
B29C 39/08 takes precedence; using a material distribution system to two or more fixed injection moulds B29C 45/125
}
; to presses in general B30B 15/30 )
. .
{
using filling or dispensing heads placed in closed moulds or in contact with mould walls( B29C 45/27 takes precedence )
}
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. .
{
using dispensing heads, e.g. extruders, placed over or apart from the moulds( positioning extruded preforms on conveyers B29C 31/085 )
}
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. . .
{
with moving heads for distributing liquid or viscous material into the moulds
}
. . . .
{
moving along predetermined circuits or distributing the material according to predetermined patterns
}
. . .
{
combined with moving moulds( B29C 31/044 , B29C 31/048 take precedence )
}
. . .
{
the material being severed at the dispensing head exit, e.g. as ring, drop or gob, and transported immediately into the mould, e.g. by gravity
}
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. .
in measured doses,
{
e.g. by weighting( feeding mixers with measured doses B01F 15/0216 , B01F 15/0454 , B29B 7/24 , B29B 7/603 ; in general G01F )
}
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. . .
{
using stationary volumetric measuring chambers
}
. . . .
{
of the piston type
}
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. . .
{
using volumetric measuring chambers moving between a charging station and a discharge station
}
. . . .
{
using feed frames, e.g. for dry material
}
. . . .
{
of the piston type
}
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. .
of preforms
{
to be moulded, e.g. tablets, fibre reinforced preforms, extruded ribbons, tubes or profiles; Manipulating means specially adapted for feeding preforms, e.g. supports conveyers( B29C 31/066 , B29C 37/001 , B29C 43/085 take precedence )
}
NOTE
-
Documents describing feeding preforms, e.g. parisons, tubes, sheets in connection with shaping techniques described in groups B29C 49/00 to B29C 65/00 are not classified in group B29C 31/08 , but in the relevant groups of these techniques

. . .
{
combined with positioning the preforms according to predetermined patterns, e.g. positioning extruded preforms on conveyers( B29C 70/30 takes precedence; for building tyres B29D 30/08 )
}
. .
of several materials
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Moulds or cores ; Details thereof or accessories therefor
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B29C 33/0011
.
{
thin-walled moulds
}
B29C 33/0016
. .
{
Lost moulds, e.g. staying on the moulded object( flexible bags without particular shape filled with expandable material B29C 44/182 ; single use mandrels for winding and forming B29C 53/822 )
}
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B29C 33/0022
.
{
Multi-cavity moulds( B29C 33/301 takes precedence )
}
B29C 33/0027
. .
{
with deep narrow cavities, e.g. for making piles( non-woven pile fabrics D04H 11/00 )
}
B29C 33/0033
.
{
constructed for making articles provided with holes
}
NOTE
-
If the hole is made by cutting means associated with the mould, see the relevant moulding technique

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B29C 33/0038
.
{
with sealing means or the like( seals on envelopes used in tyre retreading B29D 30/542 ; for injection moulding footwear B29D 35/0045 )
}
B29C 33/0044
. .
{
for sealing off parts of inserts projecting into the mould cavity
}
B29C 33/005
.
{
characterised by the location of the parting line of the mould parts
}
B29C 33/0055
.
{
with incorporated overflow cavities( in particular in injection moulds B29C 45/2669 )
}
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B29C 33/0061
.
{
characterised by the configuration of the material feeding channel( sprue channels for injection moulding B29C 45/27 )
}
B29C 33/0066
. .
{
with a subdivided channel for feeding the material to a plurality of locations
}
B29C 33/0072
. .
{
with a configuration promoting turbulency, e.g. for after-mixing in the mould
}
B29C 33/0077
.
{
characterised by the configuration of the mould filling gate( mixing chambers situated in the mould opening B29B 7/7471 ); accessories for connecting the mould filling gate with the filling spout
}
B29C 33/0083
.
{
Electrical or fluid connection systems therefor
}
B29C 33/0088
.
{
Multi-face stack moulds
}
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B29C 33/02
.
with incorporated heating or cooling means
B29C 33/026
. .
{
in rolls, calenders or drums
}
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. .
using liquids, gas or steam
{
( tyre moulds with incorporated heating or cooling means using liquids, gas or steam B29D 30/06 B )
}
B29C 33/044
. . .
{
in rolls calenders or drums
}
B29C 33/046
. . .
{
using gas
}
B29C 33/048
. . .
{
using steam
}
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B29C 33/06
. .
using radiation,
{
e.g. electro-magnetic waves, induction heating
}
B29C 33/065
. . .
{
in rolls, calenders or drums
}
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B29C 33/08
. .
for dielectric heating
B29C 33/085
. . .
{
using rolls, calenders or drums
}
B29C 33/10
.
with incorporated venting means
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B29C 33/12
.
with incorporated means for positioning inserts, e.g. labels
{
( positioning reinforcements B29C 70/541 )
}
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B29C 33/123
. .
{
for centering the inserts
}
B29C 33/126
. . .
{
using centering means forming part of the insert
}
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B29C 33/14
. .
against the mould wall
B29C 33/16
. . .
using magnetic means
B29C 33/18
. . .
using vacuum
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B29C 33/20
.
Opening, closing or clamping
B29C 33/202
. .
{
Clamping means operating on closed or nearly closed mould parts, the clamping means being independently movable of the opening or closing means( clamping devices for injection moulding machines B29C 45/64 )
}
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B29C 33/22
. .
by rectilinear movement
B29C 33/24
. . .
using hydraulic or pneumatic means
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B29C 33/26
. .
by pivotal movement
B29C 33/28
. . .
using hydraulic or pneumatic means
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B29C 33/30
.
Mounting, exchanging or centering
{
( moulds, mould parts or cores; B29C 33/485 takes precedence )
}
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B29C 33/301
. .
{
Modular mould systems( MMS ), i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods( B29C 33/0088 takes precedence )
}
B29C 33/302
. . .
{
Assembling a large number of mould elements to constitute one cavity
}
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B29C 33/303
. .
{
centering mould parts or halves, e.g. during mounting
}
B29C 33/304
. . .
{
centering cores
}
B29C 33/305
. .
{
Mounting of moulds or mould support plates( handling of moulds B29C 31/006 ; mounting of moulds for injection moulding B29C 45/1742 )
}
B29C 33/306
. .
{
Exchangeable mould parts, e.g. cassette moulds, mould inserts( moulds with exchangeable mould parts for injection moulding B29C 45/2673 ; mounting of exchangeable mould inserts for injection moulding B29C 45/2675 )
}
B29C 33/307
. .
{
Mould plates mounted on frames; Mounting the mould plates; Frame constructions therefor( shaping plates for making moulds B29C 33/3842 ; thin walled moulds B29C 33/0011 )
}
B29C 33/308
. .
{
Adjustable moulds( for injection moulding B29C 45/376 )
}
B29C 33/32
. .
using magnetic means
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B29C 33/34
.
movable, e.g. to or from the moulding station
B29C 33/36
. .
continuously movable
{
in one direction, e.g. in a closed circuit( B29C 49/0021 takes precedence )
}
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B29C 33/38
.
characterised by the material or the manufacturing process( B29C 33/44 takes precedence; manufacture of moulds or parts thereof from metal B22 , B23 )
B29C 33/3807
. .
{
Resin-bonded materials, e.g. inorganic particles
}
B29C 33/3814
. .
{
Porous moulds( adapted for vacuum forming B29C 51/365 )
}
B29C 33/3821
. .
{
composed of particles enclosed in a bag
}
B29C 33/3828
. .
{
Moulds made of at least two different materials having different thermal conductivities
}
B29C 33/3835
. .
{
Designing moulds, e.g. using CAD-CAM
}
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. .
{
Manufacturing moulds, e.g. shaping the mould surface by machining
}
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B29C 33/3857
. . .
{
by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
}
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B29C 33/3878
. . . .
{
used as masters for making successive impressions
}
B29C 33/3885
. . . . .
{
the mould parts being co-operating impressions
}
B29C 33/3892
. . . .
{
Preparation of the model, e.g. by assembling parts
}
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B29C 33/40
. .
Plastics, e.g. foam, rubber
B29C 33/405
. . .
{
Elastomers, e.g. rubber( B29C 33/50 takes precedence )
}
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B29C 33/42
.
characterised by the shape of the moulding surface, e.g. ribs, grooves
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B29C 33/424
. .
{
Moulding surfaces provided with means for marking or patterning( for injection moulding B29C 45/372 )
}
B29C 33/428
. . .
{
For altering indicia, e.g. data, numbers( for injection moulding B29C 45/374 )
}
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B29C 33/44
.
with means for , or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
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. .
{
with mechanical ejector or drive means therefor
}
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. . .
{
for stripping articles from a mould core, e.g. using stripper plates
}
B29C 33/446
. . . .
{
and using a rotating movement to unscrew articles( in particular in injection moulds B29C 45/262 )
}
B29C 33/448
. .
{
destructible( B29C 33/52 takes precedence; in particular used in injection moulding B29C 45/4457 )
}
B29C 33/46
. .
using fluid pressure
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B29C 33/48
. .
with means for collapsing or disassembling
B29C 33/485
. . .
{
cores or mandrels( collapsible mandrels for shaping tube ends B29C 57/02 ; collapsible mandrels for winding and joining B29C 53/824 )
}
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B29C 33/50
. . .
elastic
{
or flexible( for isostatic pressing B29C 43/3642 )
}
B29C 33/505
. . . .
{
cores or mandrels, e.g. inflatable( B29C 33/0016 takes precedence; for winding and joining B29C 53/824 ; for supporting articles during joining B29C 66/634 ; flexible cores for vulcanizing tyres B29D 30/0654 )
}
B29C 33/52
. .
soluble or fusible
{
( in particular used in injection moulding B29C 45/4457 )
}
B29C 33/54
. .
made of powdered or granular material
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B29C 33/56
.
Coatings,
{
e.g. enamelled, galvanised
}
; Releasing, lubricating or separating agents
{
( in-mould coating B29C 37/0028 ; using or applying separating agents B29C 37/0067 )
}
B29C 33/565
. .
{
Consisting of shell-like structures supported by backing material
}
B29C 33/58
. .
Applying the releasing agents
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B29C 33/60
. .
Releasing, lubricating or separating agents
{
in general C10M
}
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B29C 33/62
. . .
based on polymers or oligomers
B29C 33/64
. . . .
Silicone
B29C 33/66
. . . .
Cellulose ; Derivatives thereof
B29C 33/68
. .
Release sheets
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B29C 33/70
.
Maintenance
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B29C 33/72
. .
Cleaning
{
extruder parts B29C 47/0877 ; in general B08B 7/00
}
B29C 33/722
. . .
{
Compositions for cleaning moulds
}
B29C 33/74
. .
Repairing
B29C 33/76
.
Cores( B29C 33/02 to B29C 33/70 ,
{
B29C 41/40 , B29C 53/74 , B29C 53/82
}
take precedence )
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Heating, cooling or curing, e.g. crosslinking, vulcanising ; Apparatus therefor( moulds with incorporated heating or cooling means B29C 33/02 ;
{
thermal after-treatment of shaped articles B29C 71/02
}
; curing devices for plastic dental prostheses A61C 13/14 ; before moulding B29B 13/00 ; Chemical aspects C08J 3/00 )
B29C 35/002
.
{
Component parts, details or accessories; Auxiliary operations
}
.
{
Tempering units for temperature control of moulds or cores, e.g. comprising heat exchangers, controlled valves, temperature-controlled circuits for fluids( B29C 35/0294 takes precedence )
}
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.
Heating or curing, e.g. crosslinking, vulcanising
{
during moulding, e.g. in a mould
}
( coldvulcanisation B29C 35/18 ;
{
vulcanising tyres, presses therefor B29D 30/0601
}
)
B29C 35/0222
. .
{
the curing continuing after removal from the mould( B29C 35/0233 takes precedence )
}
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. .
{
using pressure vessels, e.g. autoclaves, vulcanising pans( B29C 35/065 takes precedence )
}
B29C 35/0233
. . .
{
the curing continuing after removal from the mould
}
. . .
{
Presses provided with pressure vessels, e.g. steam chambers
}
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. .
{
using fluidised bed
}
. . .
{
for articles of indefinite length
}
. .
{
using friction
}
. .
{
using ultrasonic or sonic vibrations
}
. .
{
Local curing( for repairing B29C 73/34 )
}
. .
{
using lost heating elements, i.e. heating means incorporated and remaining in the formed article( for preforms with internal stresses B29C 61/0625 ; joining using lost heating elements B29C 65/34 ; making electrically conductive articles B29C 70/882 )
}
. .
{
Apparatus with continuous transport of the material to be cured( B29C 35/025 , B29C 35/06 , B29C 35/10 , B29C 35/14 take precedence )
}
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. .
{
Controlling heating or curing of polymers during moulding, e.g. by measuring temperatures or properties of the polymer and regulating the process( controlling or regulating chemical, physical or physico- chemical processes in general B01J 19/0006 )
}
. . .
{
using tempering units for temperature control of moulds or cores
}
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. .
using liquids, gas or steam
. . .
{
using liquids
}
B29C 35/045
. . .
{
using gas or flames
}
B29C 35/049
. . .
{
using steam or damp
}
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. . .
for articles of indefinite length
. . . .
{
in long tubular vessels
}
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. .
by wave energy or particle radiation
{
( B29C 67/0051 , B29C 71/04 take precedence )
}
. . .
{
using electromagnetic radiation
}
B29C 35/0866
. . .
{
using particle radiation
}
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. . .
{
using transparant moulds
}
. . . .
{
provided with masks or diaphragms
}
. . .
for articles of indefinite length
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. .
Dielectric heating
. . .
for articles of indefinite length
.
Cooling
{
( cooling extruded material B29C 47/8815 ; cooling preforms for blow moulding B29C 49/6427 ; cooling blown articles B29C 49/66 ; cooling tyres during post cure inflation B29D 30/0643 )
}
B29C 35/18
.
Cold vulcanisation
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Component parts, details, accessories or auxiliary operations, not covered by group B29C 33/00 or B29C 35/00
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.
{
Discharging moulded articles from the mould( constructions for removing the articles B29C 33/44 )
}
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. .
{
using means operable from outside the mould for moving between mould parts, e.g. robots
}
. . .
{
combined with means for loading preforms to be moulded or inserts, e.g. preformed layers
}
. .
{
by flexibly or permanently deforming undercut portions of the articles
}
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. .
{
by stripping articles from mould cores
}
. . .
{
and using a rotating movement to unscrew articles( in particular used in injection moulding B29C 45/178 )
}
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.
{
Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing( moulding on preformed layers as inserts B29C 70/68 ; applying fluent material to surfaces in general B05 )
}
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. .
{
In-mould coating, e.g. by introducing the coating material into the mould after forming the article
}
. . .
{
the coating being applied upon the mould surface before introducing the moulding compound , e.g. applying a gelcoat( B29C 44/14 and B29C 44/32 take precedence )
}
.
{
Compensating volume or shape change during moulding, in general
}
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.
{
Moulding articles characterised by the shape of the surface, e.g. ribs, high polish( mould construction therefor B29C 33/42 ; surface shaping of articles B29C 59/00 ; by incorporating filler in or near the surface B29C 70/64 )
}
. .
{
Moulding single grooves or ribs, e.g. tear lines( folding lines B29C 53/06 )
}
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.
{
Degassing moulding material or draining off gas during moulding( venting means in moulds B29C 33/10 )
}
. .
{
of reinforced material
}
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.
{
Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other( separating agents B29C 33/60 )
}
. .
{
Dusting machines
}
. .
{
using release sheets
}
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.
{
Measures or configurations for obtaining anchoring effects in the contact areas between layers( surface shaping B29C 59/00 ; B29C 66/02 takes precedence )
}
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. .
{
Mechanical anchoring( B29C 66/303 takes precedence )
}
. . .
{
by means of openings in the layers( joining through openings B29C 66/304 )
}
.
{
Sealing devices placed between articles and treatment installations during moulding or shaping, e.g. sealing off the entrance or exit of ovens or irradiation rooms, connections between rooms at different pressures
}
.
{
Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
}
B29C 37/0096
.
{
Trouble-shooting during starting or stopping moulding or shaping apparatus( B29C 66/872 takes precedence )
}
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.
Deburring or deflashing( by grinding or polishing B24B )
{
( thermal deburring in general B23D 79/005 )
}
B29C 37/04
. .
of welded articles, e.g. deburring or deflashing in combination with welding
{
( shaping the burr B29C 66/32 )
}
NOTE
-
Attention is drawn to Note (3) following the subclass title.

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Guide Heading:
Particular shaping techniques, e.g. moulding, joining ; Apparatus therefor
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Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure ; Apparatus therefor( B29C 41/00 takes precedence )
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B29C 39/003
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

B29C 39/006
. .
{
Monomers or prepolymers( by reaction injection moulding B29C 67/246 )
}
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B29C 39/02
.
for making articles of definite length, i.e. discrete articles
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B29C 39/021
. .
{
by casting in several steps
}
B29C 39/023
. . .
{
for making multicoloured articles
}
B29C 39/025
. . .
{
for making multilayered articles
}
B29C 39/026
. .
{
characterised by the shape of the surface
}
B29C 39/028
. .
{
having an axis of symmetry
}
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B29C 39/04
. .
using movable moulds( B29C 41/02 takes precedence )
{
not applied
}
B29C 39/06
. . .
continuously movable, e.g. along a production line
B29C 39/08
. . .
Introducing the material into the mould by centrifugal force
B29C 39/10
. .
incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
{
( coating a surface by casting in general B05D 1/30 , B29C 39/126 takes precedence )
}
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B29C 39/12
. .
Making multilayered or multicoloured articles
{
( B29C 39/021 takes precedence )
}
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B29C 39/123
. . .
{
Making multilayered articles
}
B29C 39/126
. . . .
{
by casting between two preformed layers, e.g. deformable layers( between two glass layers B32B 17/10917 )
}
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B29C 39/14
.
for making articles of indefinite length
{
( by depositing material on a substrate and stripping off the shaped article B29C 41/24 )
}
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B29C 39/142
. .
{
by casting in serveral steps
}
B29C 39/144
. . .
{
for making multicoloured articles
}
B29C 39/146
. . .
{
for making multilayered articles
}
B29C 39/148
. .
{
characterised by the shape of the surface
}
B29C 39/16
. .
between endless belts
B29C 39/18
. .
incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
{
( B29C 39/206 takes precedence )
}
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B29C 39/20
. .
Making multilayered or multicoloured articles
{
( B29C 39/142 takes precedence )
}
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B29C 39/203
. . .
{
Making multilayered articles
}
B29C 39/206
. . . .
{
by casting between two preformed layers, e.g. deformable layers
}
Collapse
B29C 39/22
.
Component parts, details or accessories ; Auxiliary operations
B29C 39/24
. .
Feeding the material into the mould
Collapse
B29C 39/26
. .
Moulds or cores
B29C 39/265
. . .
{
comprising two large plates positioned at a small distance from each other, e.g. for making panels
}
B29C 39/28
. . .
with means to avoid flashes
{
( B29C 39/30 takes precedence )
}
B29C 39/30
. . .
with means for cutting the article
B29C 39/32
. . .
with joints or the like for making the mould impervious
B29C 39/34
. . .
for undercut articles
B29C 39/36
. .
Removing moulded articles
B29C 39/38
. .
Heating or cooling
Collapse
B29C 39/40
. .
Compensating volume change, e.g. retraction
{
( in general B29C 37/005 )
}
B29C 39/405
. . .
{
by applying pressure to the casting composition
}
B29C 39/42
. .
Casting under special conditions, e.g. vacuum
B29C 39/44
. .
Measuring, controlling or regulating
Collapse
Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article ; Apparatus therefor( with compacting pressure B29C 43/00 ;
{
by lay-up of reinforcement of substantial or continuous length B29C 70/30
}
)
B29C 41/003
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

B29C 41/006
.
{
using an electrostatic field for applying the material
}
Collapse
B29C 41/02
.
for making articles of definite length, i.e. discrete articles
B29C 41/025
. .
{
having hollow walls
}
Collapse
B29C 41/04
. .
Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
Collapse
B29C 41/042
. . .
{
by rotating a mould around its axis of symmetry( for concrete B28B 21/30 )
}
B29C 41/045
. . . .
{
the axis being placed vertically, e.g. spin casting
}
B29C 41/047
. . . .
{
the mould cavity lying totally outside the axis, e.g. toroidal moulds
}
B29C 41/06
. . .
about two or more axes
Collapse
B29C 41/08
. .
Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder
{
( spray-up of reinforcing fibres B29C 70/305 )
}
B29C 41/085
. . .
{
by rotating the former around its axis of symmetry
}
B29C 41/10
. . .
by fluidisation
B29C 41/12
. .
Spreading-out the material on a substrate
{
e.g. on the surface of a liquid
}
B29C 41/14
. .
Dipping a core
{
( B29C 41/10 takes precedence )
}
B29C 41/16
. .
Slip casting, i.e. applying a slip or slurry on a perforated or porous or absorbent surface with the liquid being drained away
B29C 41/18
. .
Slush casting, i.e. pouring moulding material into a hollow mould with excess material being poured off
B29C 41/20
. .
incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
B29C 41/22
. .
Making multilayered or multicoloured articles
Collapse
B29C 41/24
.
for making articles of indefinite length
Collapse
B29C 41/26
. .
by depositing flowable material on a rotating drum
B29C 41/265
. . .
{
on the inside of the drum
}
B29C 41/28
. .
by depositing flowable material on an endless belt
B29C 41/30
. .
incorporating preformed parts or layers, e.g. moulding around inserts or for coating articles
B29C 41/32
. .
Making multilayered or multicoloured articles
Collapse
B29C 41/34
.
Component parts, details or accessories ; Auxiliary operations
Collapse
B29C 41/36
. .
Feeding the material on to the mould, core or other substrate
B29C 41/365
. . .
{
Construction of spray-up equipment e.g. spray-up guns( spraying apparatus in general B05B )
}
Collapse
B29C 41/38
. .
Moulds, cores or other substrates
B29C 41/383
. . .
{
with means for cutting the article
}
B29C 41/386
. . .
{
for undercut articles
}
B29C 41/40
. . .
Cores
Collapse
B29C 41/42
. .
Removing articles from moulds, cores or other substrates
{
( B29C 33/444 and B29C 37/0017 take precedence )
}
B29C 41/44
. . .
Articles of indefinite length
B29C 41/46
. .
Heating or cooling
B29C 41/48
. .
Compensating volume change, e.g. retraction
B29C 41/50
. .
Shaping under special conditions, e.g. vacuum
B29C 41/52
. .
Measuring, controlling or regulating
Collapse
Compression moulding, i.e. applying external pressure to flow the moulding material ; Apparatus therefor(
{
by libertion of internal stresses B29C 61/006
}
; shaping or impregnating by compression composites comprising reinforcements other than fibres of short length [ B29C 70/12 ]; presses in general B30B )
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

.
{
Pressing and sintering powders, granules or fibres
}
Collapse
B29C 43/02
.
of articles of definite length, i.e. discrete articles
{
( B29C 35/0227 takes precedence )
}
. .
{
characterised by the shape of the surface
}
. .
{
having an axis of symmetry( B29C 43/102 takes precedence )
}
Collapse
. .
using movable moulds
Collapse
. . .
continuously movable
{
in one direction, e.g. mounted on chains, belts
}
Collapse
. . . .
with circular movement
{
e.g. mounted on rolls, turntables
}
B29C 43/085
. . . . .
{
and material fed in a continuous form, e.g. as a band
}
Collapse
. .
Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
{
( in general B30B 11/001 )
}
Collapse
B29C 43/102
. . .
{
using rigid mould parts specially adapted for moulding articles having an axis of symmetry
}
B29C 43/104
. . . .
{
the mould cavity lying totally outside the axis of symmetry e.g. toroidal moulds
}
. . .
using bags surrounding the moulding material
{
or using membranes contacting the moulding material( B29C 70/44 takes precedence; flexible cores for vulcanizing tyres B29D 30/0654 )
}
Collapse
B29C 43/14
. .
in several steps
B29C 43/145
. . .
{
for making multicoloured articles
}
B29C 43/146
. . .
{
for making multilayered articles
}
B29C 43/16
. .
Forging
Collapse
B29C 43/18
. .
incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
{
( B29C 43/206 takes precedence )
}
Collapse
B29C 43/183
. . .
{
the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould
}
B29C 43/184
. . . .
{
shaped by the compression of the material during moulding
}
Collapse
B29C 43/20
. .
Making multilayered or multicoloured articles
{
( B29C 43/14 takes precedence )
}
Collapse
B29C 43/203
. . .
{
Making multilayered articles
}
B29C 43/206
. . . .
{
by pressing the material between two preformed layers, e.g. deformable layers
}
Collapse
.
of articles of indefinite length
{
( for articles with reinforcements of substantial or continuous length B29C 70/50 )
}
B29C 43/222
. .
{
characterised by the shape of the surface
}
Collapse
B29C 43/224
. .
{
having a profiled section, e.g. tubes, rods
}
B29C 43/226
. . .
{
having a corrugated section
}
B29C 43/228
. .
{
using endless belts feeding the material between non-rotating pressure members e.g. vibrating pressure members
}
Collapse
. .
Calendering
B29C 43/245
. . .
{
Adjusting calender parameters, e.g. bank quantity
}
Collapse
B29C 43/26
. .
in several steps( B29C 43/30 takes precedence
{
not applied
}
)
B29C 43/265
. . .
{
for making multilayered articles
}
B29C 43/28
. .
incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
Collapse
B29C 43/30
. .
Making multilayered or multicoloured articles
{
( B29C 43/26 takes precedence )
}
B29C 43/305
. . .
{
Making multilayered articles
}
Collapse
.
Component parts, details or accessories ; Auxiliary operations
. .
Feeding the material to the mould or the compression means
{
( B29C 43/085 takes precedence )
}
Collapse
B29C 43/36
. .
Moulds for making articles of definite length, i.e. discrete articles
B29C 43/3607
. . .
{
with sealing means or the like
}
B29C 43/361
. . .
{
with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons( transfer moulding B29C 45/02 ; injection-compression moulding B29C 45/561 )
}
B29C 43/3642
. . .
{
Bags, bleeder sheets or cauls for isostatic pressing( flexible cores for vulcanizing tyres B29D 30/0654 )
}
B29C 43/3697
. . .
{
comprising rollers or belts cooperating with non-rotating mould parts
}
B29C 43/38
. . .
with means to avoid flashes
{
( B29C 43/40 takes precedence )
}
B29C 43/40
. . .
with means for cutting the article
. . .
for undercut articles
Collapse
. .
Compression means for making articles of indefinite length
. . .
Rollers
B29C 43/48
. . .
Endless belts
B29C 43/50
. .
Removing moulded articles
. .
Heating or cooling
B29C 43/54
. .
Compensating volume change, e.g. retraction
. .
Compression moulding under special conditions, e.g. vacuum
. .
Measuring, controlling or regulating
{
( for bank adjustment in calendering B29C 43/245 )
}
Collapse
Shaping by internal pressure generated in the material, e.g. swelling, foaming;
{
Producing porous or cellular expanded plastics articles
}
WARNING
-
Group B29C 44/00 and subgroups are not complete, see also B29C 67/22 and subgroups

B29C 44/005
.
{
Avoiding skin formation; Making foams with porous surfaces
}
Collapse
B29C 44/02
.
for articles of definite length, i.e. discrete articles
B29C 44/022
. .
{
Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores
}
B29C 44/025
. .
{
Foaming in open moulds, followed by closing the moulds
}
B29C 44/027
. .
{
the foaming continuing or beginning when the mould is opened
}
Collapse
. .
consisting of at least two parts of chemically or physically different materials, e.g. having different densities
B29C 44/0407
. . .
{
by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
}
B29C 44/0415
. . .
{
by regulating the pressure of the material during or after filling of the mould, e.g. by local venting
}
Collapse
B29C 44/0423
. . .
{
by density separation
}
B29C 44/043
. . . .
{
using a rotating mould
}
B29C 44/0438
. . . .
{
using flotation
}
B29C 44/0446
. . .
{
by increasing the density locally by compressing part of the foam while still in the mould
}
B29C 44/0453
. . .
{
by joining the different materials using compression moulding before the foaming step
}
Collapse
B29C 44/0461
. . .
{
by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
}
B29C 44/0469
. . . .
{
provided with physical separators between the different materials, e.g. separating layers, mould walls
}
B29C 44/0476
. . . .
{
by pouring more than one composition into an open mould
}
B29C 44/0484
. . .
{
by having different solubility of the foaming agent
}
B29C 44/0492
. . .
{
Devices for feeding the different materials
}
Collapse
B29C 44/06
. . .
Making multilayered articles
{
( B29C 44/0407 - B29C 44/0492 take precedence )
}
B29C 44/065
. . . .
{
comprising at least one barrier layer
}
Collapse
B29C 44/08
. .
using several expanding
{
or moulding
}
steps
Collapse
B29C 44/083
. . .
{
Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
}
B29C 44/086
. . . .
{
and feeding more material into the enlarged cavity
}
Collapse
B29C 44/10
. .
Applying counter-pressure during expanding
B29C 44/105
. . .
{
the counterpressure being exerted by a fluid
}
Collapse
B29C 44/12
. .
Incorporating or moulding on preformed parts, e.g inserts, reinforcements
B29C 44/1204
. . .
{
and giving the material during expanding the shape of a particular article to be supported, e.g. a human body-part
}
B29C 44/1209
. . .
{
by impregnating a preformed part, e.g. a porous lining
}
B29C 44/1214
. . .
{
Anchoring by foaming into a preformed part, e.g. by penetrating through holes( anchoring by moulding in general B29C 37/0078 ; outsert moulding B29C 45/14344 , B29C 70/74 )
}
B29C 44/1219
. . .
{
Foaming between a movable mould part and the preformed part
}
B29C 44/1223
. . .
{
Joining preformed parts which have previously been filled with foam
}
Collapse
B29C 44/1228
. . .
{
Joining preformed parts by the expanding material
}
Collapse
B29C 44/1233
. . . .
{
the preformed parts being supported during expanding
}
B29C 44/1238
. . . . .
{
and having flexible and solid areas
}
Collapse
B29C 44/1242
. . . .
{
the preformed parts being concentric( B29C 44/1233 takes precedence )
}
B29C 44/1247
. . . . .
{
comprising dams or sealing arrangements
}
B29C 44/1252
. . .
{
Removing portions of the preformed parts after the moulding step
}
B29C 44/1257
. . .
{
Joining a preformed part and a lining, e.g. around the edges
}
B29C 44/1261
. . .
{
Avoiding impregnation of a preformed part
}
B29C 44/1266
. . .
{
the preformed part being completely encapsulated, e.g. for packaging purposes or as reinforcement
}
B29C 44/1271
. . .
{
the preformed parts being partially covered
}
B29C 44/1276
. . .
{
the preformed parts being three dimensional structures which are wholly or partially penetrated by the foam
}
B29C 44/128
. . .
{
Internally reinforcing constructional elements, e.g. beams
}
B29C 44/1285
. . .
{
the preformed part being foamed
}
B29C 44/129
. . .
{
Enhancing adhesion to the preformed part using an interlayer
}
B29C 44/1295
. . .
{
Foaming around pipe joints
}
Collapse
B29C 44/14
. . .
the preformed part being a lining
{
( B29C 44/1209 takes precedence )
}
B29C 44/141
. . . .
{
Hiding joints in the lining
}
B29C 44/143
. . . .
{
Means for positioning the lining in the mould( in general B29C 33/12 )
}
B29C 44/145
. . . .
{
the lining being a laminate
}
B29C 44/146
. . . .
{
Shaping the lining before foaming
}
B29C 44/148
. . . .
{
Applying the foaming resin, moulding the lining or the like, with the lining turned inside out
}
B29C 44/16
. . . .
shaped by the expansion of the material
Collapse
B29C 44/18
. . .
Filling preformed cavities
{
( B29C 44/1204 takes precedence )
}
B29C 44/181
. . . .
{
Filling unsupported soft shells having a particular shape
}
Collapse
. . . .
{
Filling flexible bags not having a particular shape
}
B29C 44/183
. . . . .
{
the components being kept apart in different containers within the bag, and mixed upon rupture of the containers( B29C 44/184 takes precedence )
}
Collapse
B29C 44/184
. . . . .
{
and inserting the bags into preformed cavities
}
B29C 44/185
. . . . . .
{
Starting the expansion after rupturing or dissolving the bag
}
B29C 44/186
. . . .
{
Filling multiple cavities( B29C 44/181 , B29C 44/182 and B29C 44/188 takes precedence )
}
B29C 44/187
. . . .
{
Filling faulty voids in the foam
}
. . . .
{
Sealing off parts of the cavities
}
Collapse
.
for articles of indefinite length
B29C 44/203
. .
{
Expanding the moulding material in a vertical channel
}
B29C 44/206
. .
{
Using expandable particles or beads as starting material
}
Collapse
B29C 44/22
. .
consisting of at least two parts of chemically or physically different materials, e.g. having different densities
B29C 44/24
. . .
Making multilayered articles
B29C 44/26
. .
using several expanding steps
Collapse
B29C 44/28
. .
Expanding the moulding material on continuous moving surfaces
{
without restricting the upwards growth of the foam
}
B29C 44/285
. . .
{
Rising trough lateral side members e.g. following the foam expansion
}
Collapse
B29C 44/30
. .
Expanding the moulding material between endless belts or rollers
{
( B29C 44/203 takes precedence )
}
B29C 44/302
. . .
{
Expanding the moulding material in flexible endless moulds
}
B29C 44/304
. . .
{
Adjusting the belt or roller pressure
}
B29C 44/306
. . .
{
Longitudinally shaping, e.g. the belt
}
B29C 44/308
. . .
{
Thickness separators and side seals
}
Collapse
B29C 44/32
. .
Incorporating or moulding on preformed parts, e.g. linings, inserts, reinforcements
Collapse
B29C 44/322
. . .
{
the preformed parts being elongated inserts, e.g. cables
}
B29C 44/324
. . . .
{
the preformed parts being tubular or folded to a tubular shape
}
B29C 44/326
. . .
{
Joining the preformed parts, e.g. to make flat or profiled sandwich laminates
}
B29C 44/328
. . .
{
the foamable components being mixed in the nip between the preformed parts
}
Collapse
B29C 44/34
.
Auxiliary operations
Collapse
B29C 44/3403
. .
{
Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
}
B29C 44/3407
. . .
{
Vacuum extrusion using underwater barometric leg
}
B29C 44/3411
. .
{
Relieving stresses
}
Collapse
. .
{
Heating or cooling
}
B29C 44/3419
. . .
{
Quick cooling
}
B29C 44/3423
. . .
{
by using a heated or cooled preformed part, e.g. in the mould
}
Collapse
B29C 44/3426
. . .
{
Heating by introducing steam in the mould
}
B29C 44/343
. . . .
{
by using pipes to direct the steam inside the mould
}
B29C 44/3434
. . . .
{
by using a sheet, grid, etc. to distribute the steam in the mould
}
B29C 44/3438
. .
{
Bursting the cell walls by a sudden pressure release
}
Collapse
B29C 44/3442
. .
{
Mixing, kneading or conveying the foamable material( mixing plastics B29B 7/00; mixing in general B01F )
}
Collapse
B29C 44/3446
. . .
{
Feeding the blowing agent
}
B29C 44/3449
. . . .
{
through the screw
}
B29C 44/3453
. . . .
{
Feeding the blowing agent to solid plastic material
}
B29C 44/3457
. . . .
{
Feeding the blowing agent in solid form to the plastic material
}
Collapse
. .
{
Making or treating expandable particles
}
B29C 44/3465
. . .
{
by compressing particles in vacuum, followed by expansion in normal pressure
}
Collapse
B29C 44/3469
. .
{
Cell or pore nucleation
}
B29C 44/3473
. . .
{
by shearing forces
}
B29C 44/3476
. . .
{
by e.g. compression stress
}
B29C 44/348
. . .
{
by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
}
B29C 44/3484
. .
{
Stopping the foaming reaction until the material is heated or re-heated
}
B29C 44/3488
. .
{
Vulcanizing the material before foaming
}
Collapse
B29C 44/3492
. .
{
Expanding without a foaming agent
}
B29C 44/3496
. . .
{
The foam being compressed and later released to expand( B29C 44/3465 takes precedence )
}
Collapse
B29C 44/35
. .
{
Component parts; Details or accessories
}
B29C 44/351
. . .
{
Means for preventing foam to leak out from the foaming device during foaming
}
B29C 44/352
. . .
{
Means for giving the foam different characteristics in different directions
}
B29C 44/353
. . .
{
Means for guiding the foaming in e.g. a particular direction
}
B29C 44/354
. . .
{
Means to prevent or reduce the effect of shrinking of the foamed article
}
Collapse
B29C 44/355
. . .
{
Characteristics of the foam, e.g. having particular surface properties or structure
}
B29C 44/356
. . . .
{
having a porous surface
}
B29C 44/357
. . . .
{
Auxetic foams, i.e. material with negative Poisson ratio; anti rubber; dilatational; re-entrant
}
B29C 44/358
. . . .
{
Foamed of foamable fibres
}
Collapse
B29C 44/36
. .
Feeding the material to be shaped
{
( B29C 44/0492 takes precedence )
}
B29C 44/362
. . .
{
Regulating the feed w.r.t. the foam layer thickness
}
B29C 44/365
. . .
{
using elongate feed conduits provided with throttle devices
}
B29C 44/367
. . .
{
using spray nozzles
}
Collapse
B29C 44/38
. . .
into a closed space, i.e. to make articles of definite length
{
( B29C 44/365 and B29C 44/367 take precedence )
}
B29C 44/381
. . . .
{
Spreading the foamable material in the mould by pressing the mould halves together
}
B29C 44/383
. . . .
{
using spreading devices mounted in the mould, in front of the feed opening
}
Collapse
B29C 44/385
. . . .
{
using manifolds or channels directing the flow in the mould
}
B29C 44/386
. . . . .
{
using a movable, elongate nozzle, e.g. to reach deep into the mould
}
B29C 44/388
. . . .
{
into moving moulds
}
B29C 44/40
. . . .
by gravity, e.g. by casting
Collapse
B29C 44/42
. . . .
using pressure difference, e.g. by injection, by vacuum
B29C 44/421
. . . . .
{
by plastizising the material into a shot cavity and injecting using a plunger
}
B29C 44/422
. . . . .
{
by injecting by forward movement of the plastizising screw
}
Collapse
B29C 44/424
. . . . .
{
Details of machines
}
Collapse
B29C 44/425
. . . . . .
{
Valve or nozzle constructions; Details of injection devices
}
B29C 44/427
. . . . . . .
{
having several injection gates
}
B29C 44/428
. . . . .
{
Mould constructions; Mould supporting equipment
}
Collapse
B29C 44/44
. . . .
{
in solid form
}
. . . . .
{
in the form of expandable granules, particles or beads
}
Collapse
B29C 44/46
. . .
into an open space or onto moving surfaces, i.e. to make articles of indefinite length
{
( B29C 44/365 , B29C 44/367 take precedence )
}
Collapse
B29C 44/461
. . . .
{
dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
}
B29C 44/462
. . . . .
{
provided with pre-foaming devices
}
B29C 44/464
. . . . .
{
using centrifugal force
}
B29C 44/465
. . . . .
{
with adjustable die gap
}
B29C 44/467
. . . .
{
Foam spreading or levelling devices
}
B29C 44/468
. . . .
{
in a plurality of parallel streams which unite during the foaming
}
Collapse
B29C 44/48
. . . .
by gravity, e.g. casting onto, or between, moving surfaces
{
( B29C 44/468 takes precedence )
}
B29C 44/485
. . . . .
{
the material being spread in the nip of two cooperating rollers
}
Collapse
B29C 44/50
. . . .
using pressure difference, e.g. by extrusion, by spraying
{
( B29C 44/468 takes precedence )
}
B29C 44/52
. . . . .
between moving surfaces
B29C 44/54
. . . .
in the form of expandable particles or beads
Collapse
. .
After-treatment of articles, e.g. for altering the shape
B29C 44/5609
. . .
{
Purging of residual gas, e.g. noxious or explosive blowing agents
}
B29C 44/5618
. . .
{
Impregnating foam articles
}
Collapse
B29C 44/5627
. . .
{
by mechanical deformation, e.g. crushing, embossing, stretching
}
Collapse
B29C 44/5636
. . . .
{
with the addition of heat
}
B29C 44/5645
. . . . .
{
Differential deformation by differential heating
}
B29C 44/5654
. . . .
{
Subdividing foamed articles to obtain particular surface properties, e.g. on multiple modules
}
B29C 44/5663
. . . .
{
by perforating the foam, e.g. to open the cells
}
B29C 44/5672
. . . .
{
by stretching the foam, e.g. to open the cells
}
B29C 44/5681
. . .
{
Covering the foamed object with e.g. a lining
}
. . .
{
Shaping and joining components with different densities or hardness
}
Collapse
B29C 44/58
. .
Moulds
B29C 44/581
. . .
{
Closure devices for pour holes
}
B29C 44/582
. . .
{
for making undercut articles
}
B29C 44/583
. . .
{
for making articles with cavities
}
B29C 44/585
. . .
{
with adjustable size of the mould cavity
}
B29C 44/586
. . .
{
with a cavity increasing in size during foaming
}
B29C 44/587
. . .
{
with a membrane, e.g. for pressure control
}
. . .
{
with means for venting, e.g. releasing foaming gas
}
Collapse
B29C 44/60
. .
Measuring, controlling or regulating
B29C 44/605
. . .
{
Calibration following a shaping operation, e.g. extrusion
}
Collapse
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould ; Apparatus therefor( injection blow-moulding B29C 49/06 )
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

.
{
of successively moulded portions rigidly joined to each other
}
.
{
using fibre reinforcements
}
.
{
using fillers dispersed in the moulding material, e.g. metal particles
}
.
{
moulding interconnected elements which are movable with respect to one another, e.g. chains or hinges
}
.
{
Preventing defects on the moulded article, e.g. weld lines, shrinkage marks( preventing defects on the preformed parts or layers B29C 45/14836 )
}
.
{
Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
}
Collapse
.
{
combined with a final operation, e.g. shaping( injection-compression moulding B29C 45/561 )
}
. .
{
Shaping
}
Collapse
B29C 45/006
. .
{
Joining parts moulded in separate cavities
}
. . .
{
Joined by injection moulding
}
.
{
of objects with parts connected by a thin section, e.g. hinge, tear line
}
.
{
Reciprocating the moulding material inside the mould cavity, e.g. push-pull injection moulding
}
.
{
General arrangement or lay-out of plants( B29C 45/1468 takes precedence )
}
Collapse
.
Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
. .
{
Plunger drives; Pressure equalizing means for a plurality of transfer plungers
}
Collapse
.
Injection moulding apparatus( transfer moulding B29C 45/02 )
. .
{
Injection pistols
}
Collapse
. .
using movable moulds
{
or mould halves
}
( B29C 45/08 takes precedence )
Collapse
. . .
{
involving at least a linear movement( B29C 45/0433 takes precedence )
}
. . . .
{
co-operating with fixed mould halves
}
. . .
{
mounted on a conveyor belt or chain
}
Collapse
. . .
{
involving a rotational movement( B29C 45/06 takes precedence )
}
. . . .
{
mounted on the circumference of a rotating support having a rotating axis perpendicular to the mould opening, closing or clamping direction
}
Collapse
. . .
{
mounted
}
on a turntable
{
i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
}
. . . .
{
carrying mould halves co-operating with fixed mould halves
}
Collapse
. .
using movable injection units
. . .
{
cooperating with two or more moulds
}
. . .
moving with the mould during the injection operation
. .
using moulds or injection units usable in different arrangements or combinations to each other
Collapse
. .
using two or more fixed moulds, e.g. in tandem
{
( B29C 45/076 takes precedence )
}
. . .
{
using a material distributing system
}
. .
using two or more injection units co-operating with a single mould
Collapse
.
incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
{
( B29C 45/1671 takes precedence )
}
Collapse
. .
{
Inserting articles into the mould( B29C 45/14827 takes precedence )
}
Collapse
. . .
{
Intermittently feeding endless articles, e.g. transfer films, to the mould( B29C 45/14262 takes precedence )
}
. . . .
{
and punching or cutting a portion from the endless articles during mould closing
}
. . .
{
Transferring the inserts from a storage space inside the mould to the mould cavity
}
Collapse
. .
{
Positioning or centering articles in the mould
}
. . .
{
using means being retractable during injection
}
Collapse
. .
{
the inserts being deformed or preformed, e.g. by the injection pressure
}
. . .
{
the inserts being positioned around an edge of the injected part
}
. . .
{
by tools, e.g. cutting means
}
B29C 45/14262
. . .
{
Clamping or tensioning means for the insert
}
. .
{
using means for bonding the coating to the articles( B29C 45/14795 takes precedence )
}
Collapse
. .
{
Coating a portion of the article, e.g. the edge of the article( B29C 45/14573 and B29C 45/14598 take precedence )
}
. . .
{
Moulding in or through a hole in the article, e.g. outsert moulding
}
. . .
{
using an additional insert, e.g. a fastening element
}
. . .
{
Coating a portion of a bundle of inserts, e.g. making brushes
}
. . .
{
Coating profiles or strips by injecting end or corner or intermediate parts
}
. . .
{
Sealing means between mould and article
}
B29C 45/14426
. . .
{
Coating the end of wire-like or rod-like or cable-like or blade-like or belt-like articles
}
. . .
{
Coating brittle material, e.g. glass( B29C 45/14377 , B29C 45/14418 take precedence )
}
Collapse
. .
{
Joining articles or parts of a single article( B29C 45/14377 , B29C 45/14385 , B29C 45/14581 , B29C 45/14614 and B29C 45/006 take precedence )
}
. . .
{
Joining juxtaposed parts of a single article, e.g. edges of a folded container blank
}
. . .
{
Injecting material between coaxial articles, e.g. between a core and an outside sleeve for making a roll
}
. . .
{
Joining juxtaposed sheet-like articles, e.g. for making trim panels
}
Collapse
. .
{
Coating rod-like, wire-like or belt-like articles( B29C 45/14426 takes precedence )
}
Collapse
. . .
{
at spaced locations, e.g. coaxial-cable wires
}
. . . .
{
Coating the edge of the article, e.g. for slide-fasteners
}
. . . .
{
Coating the cross-over points of articles in the form of a network
}
. .
{
Coating annular articles
}
Collapse
. .
{
Coating tubular articles
}
. . .
{
Joining tubular articles
}
. . .
{
Lining the inner or outer surface of tubular articles
}
. .
{
Coating reinforcements( fibre reinforcements B29C 45/0005 )
}
Collapse
. .
{
for obtaining an insulating effect, e.g. for electrical components
}
. . .
{
Making flat card-like articles with an incorporated IC or chip module, e.g. IC or chip cards
}
Collapse
. . .
{
connected to or mounted on a carrier, e.g. lead frame
}
. . . .
{
Plants therefor
}
. .
{
Coating articles provided with a decoration
}
. .
{
being in movable or releasable engagement with the coating, e.g. bearing assemblies
}
Collapse
. .
{
the article consisting of a material with particular properties, e.g. porous, brittle
}
. . .
{
Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
}
. . .
{
Porous or permeable material, e.g. foam
}
. . .
{
Multilayered articles( B29C 45/14827 takes precedence )
}
. .
{
the inserts being completely encapsulated
}
. .
{
using a transfer foil detachable from the insert
}
B29C 45/14836
. .
{
Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage( B29C 45/14434 takes precedence )
}
Collapse
.
Making multilayered or multicoloured articles
{
( B29C 45/0062 takes precedence; feeding colouring materials into the injection unit B29C 45/1816 )
}
Collapse
B29C 45/1603
. .
{
Multi-way nozzles specially adapted therefor
}
B29C 45/1604
. . .
{
using a valve urged by the injection pressure
}
B29C 45/1606
. . .
{
using a rotatable valve
}
B29C 45/1607
. . .
{
having at least three different ways
}
Collapse
. .
{
The materials being injected at different moulding stations
}
B29C 45/1618
. . .
{
using an auxiliary treatment station, e.g. for cooling or ejecting( B29C 45/1628 takes precedence )
}
B29C 45/162
. . .
{
using means, e.g. mould parts, for transferring an injected part between moulding stations
}
B29C 45/1625
. . .
{
Injecting parison-like articles
}
B29C 45/1628
. . .
{
using a mould carrier rotatable about an axis perpendicular to the opening and closing axis of the moulding stations
}
. .
{
with a non-uniform dispersion of the moulding material in the article, e.g. resulting in a marble effect
}
Collapse
B29C 45/1635
. .
{
using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
}
. . .
{
Removable partitions between adjacent mould cavity portions
}
B29C 45/164
. .
{
The moulding materials being injected simultaneously
}
Collapse
. .
{
having a "sandwich" structure( B29C 45/1603 takes precedence )
}
B29C 45/1643
. . .
{
from at least three different materials or with at least four layers
}
B29C 45/1645
. . .
{
Injecting skin and core materials from the same injection cylinder, e.g. mono-sandwich moulding
}
. . .
{
Injecting parison-like articles( B29C 45/1643 takes precedence )
}
B29C 45/1657
. .
{
using means for adhering or bonding the layers or parts to each other( mechanical anchoring B29C 37/0082 )
}
. .
{
with an insert
}
. .
{
using exchangeable mould halves
}
B29C 45/1676
. .
{
using a soft material and a rigid material, e.g. making articles with a sealing part
}
B29C 45/1679
. .
{
applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating (IMC)( applying suface layers after ejection B29C 45/0053 )
}
. .
{
Injecting parison-like articles( B29C 45/1625 , B29C 45/1643 and B29C 45/1646 take precedence )
}
Collapse
.
Component parts, details or accessories ; Auxiliary operations
. .
{
using a particular environment during moulding, e.g. moisture-free or dust-free
}
Collapse
. .
{
Introducing an auxiliary fluid into the mould( B29C 45/1701 takes precedence )
}
Collapse
. . .
{
the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles( B29C 45/1732 and B29C 45/1734 take precedence; injection blow-moulding B29C 49/06 )
}
B29C 45/1705
. . . .
{
using movable mould parts
}
. . . .
{
using particular fluids or fluid generating substances
}
B29C 45/1711
. . . .
{
and removing excess material from the mould cavity by the introduced fluid, e.g. to an overflow cavity
}
B29C 45/1732
. . .
{
Control circuits therefor
}
Collapse
B29C 45/1734
. . .
{
Nozzles therefor
}
. . . .
{
Nozzles for introducing the fluid through the mould gate, e.g. incorporated in the injection nozzle
}
B29C 45/1736
. . . .
{
provided with small holes permitting the flow of gas therethrough, e.g. using a porous element of sintered material( B29C 45/1735 takes precedence )
}
. . .
{
Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks
}
Collapse
. .
{
Mounting of moulds; Mould supports( mounting of exchangeable mould inserts B29C 45/2675 )
}
B29C 45/1743
. . .
{
using mounting means projecting from the back side of the mould or from the front side of the mould support
}
. . .
{
Mould support platens
}
. .
{
Tie-rod connections
}
. .
{
Retractable tie-rods
}
. .
{
Adjustment means allowing the use of moulds of different thicknesses
}
Collapse
. .
{
Cleaning or purging, e.g. of the injection unit( B29C 45/24 takes precedence )
}
B29C 45/1755
. . .
{
Means for receiving or discharging purged material; Purge shields
}
. .
{
Handling of moulds or mould parts, e.g. mould exchanging means( moulds per se B29C 45/26 )
}
B29C 45/1759
. .
{
Removing sprues from sprue-channels
}
. .
{
Exchanging the injection unit or parts thereof
}
. .
{
Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames( B29C 45/1747 takes precedence )
}
Collapse
. .
{
Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
}
B29C 45/1771
. . .
{
Means for guiding or orienting articles while dropped from the mould, e.g. guide rails or skirts
}
B29C 45/1773
. .
{
Means for adjusting or displacing the injection unit into different positions, e.g. for co-operating with different moulds( B29C 45/1781 takes precedence )
}
. .
{
Display units or mountings therefor; Switch cabinets
}
. .
{
Connecting parts, e.g. injection screws, ejectors, to drive means
}
. .
{
Nozzle touch mechanism
}
B29C 45/178
. .
{
Means disposed outside the mould for unscrewing threaded articles, e.g. chuck devices( moulds with incorporated unscrewing drive means B29C 45/262 )
}
B29C 45/1781
. .
{
Aligning injection nozzles with the mould sprue bush
}
B29C 45/1782
. .
{
Mounting or clamping means for heating elements or thermocouples
}
Collapse
. .
Feeding the material into the injection moulding apparatus,
{
i.e. feeding the non-plastified material into the injection unit
}
. . .
{
Feeding measured doses
}
. . .
{
Feeding auxiliary material, e.g. colouring material
}
. . .
{
Changing the kind or the source of material, e.g. using a plurality of hoppers
}
B29C 45/1866
. . .
{
Feeding multiple materials( B29C 45/1816 takes precedence )
}
Collapse
. .
Injection nozzles
{
( B29C 45/1603 takes precedence )
}
. . .
Multiple nozzle systems
Collapse
B29C 45/23
. . .
Feed stopping equipment
. . . .
{
Needle valve systems therefor
}
B29C 45/232
. . . .
{
comprising closing means disposed outside the nozzle
}
B29C 45/234
. . . .
{
Valves opened by the pressure of the moulding material( B29C 45/231 takes precedence )
}
. . .
Cleaning equipment
Collapse
. .
Moulds
Collapse
. . .
{
Mould construction elements
}
. . . .
{
Guiding or centering means
}
. . .
{
Mould seals
}
Collapse
. . .
{
having tubular mould cavities
}
. . . .
{
for manufacturing tubular articles with an annular groove
}
B29C 45/2614
. . . .
{
for manufacturing bent tubular articles using an undercut forming mould core
}
. . .
{
having annular mould cavities
}
Collapse
B29C 45/2618
. . .
{
having screw-threaded mould walls
}
. . . .
{
provided with unscrewing drive means( unscrewing means outside the mould B29C 45/178 )
}
B29C 45/2622
. . . .
{
for moulding interrupted screw threads
}
. . .
{
provided with a multiplicity of wall-like cavities connected to a common cavity, e.g. for battery cases
}
. . .
{
provided with a multiplicity of narrow cavities connected to a common cavity, e.g. for brushes, combs
}
. . .
{
with mould parts forming holes in or through the moulded article, e.g. for bearing cages
}
Collapse
. . .
{
with mould wall parts provided with fine grooves or impressions, e.g. for record discs
}
. . . .
{
Stampers; Mountings thereof
}
. . . .
{
Heating or cooling means therefor
}
B29C 45/2669
. . .
{
with means for removing excess material, e.g. with overflow cavities( B29C 45/1711 takes precedence )
}
Collapse
. . .
{
with exchangeable mould parts, e.g. cassette moulds( B29C 45/1756 takes precedence )
}
B29C 45/2675
. . . .
{
Mounting of exchangeable mould inserts
}
B29C 45/2681
. . .
{
with rotatable mould parts
}
Collapse
. . .
Sprue channels
{
Runner channels or runner nozzles
}
Collapse
. . . .
{
Details not specific to hot or cold runner channels( B29C 45/2725 takes precedence )
}
Collapse
. . . . .
{
Means for controlling the runner flow, e.g. runner switches, adjustable runners or gates
}
B29C 45/2704
. . . . . .
{
Controlling the filling rates or the filling times of two or more mould cavities by controlling the cross section or the length of the runners or the gates
}
Collapse
. . . . .
{
Gates( B29C 45/2703 takes precedence )
}
B29C 45/2711
. . . . . .
{
Gate inserts
}
Collapse
B29C 45/2725
. . . .
{
Manifolds
}
B29C 45/2727
. . . . .
{
Modular manifolds; Connections between spaced manifold elements
}
. . . .
{
for non-coaxial gates, e.g. for edge gates
}
Collapse
B29C 45/2737
. . . .
{
Heating or cooling means therefor( B29C 45/7331 takes precedence )
}
B29C 45/2738
. . . . .
{
specially adapted for manifolds
}
B29C 45/2756
. . . .
{
Cold runner channels
}
B29C 45/2758
. . . .
{
Means for preventing drooling by decompression of the moulding material
}
B29C 45/278
. . . .
{
Nozzle tips( B29C 45/2735 takes precedence )
}
Collapse
B29C 45/28
. . . .
Closure devices therefor
B29C 45/2803
. . . . .
{
comprising a member with an opening or the injection nozzle movable into or out of alignment with the sprue channel or mould gate
}
Collapse
. . . . .
{
consisting of needle valve systems( B29C 45/2896 takes precedence )
}
B29C 45/281
. . . . . .
{
Drive means therefor
}
B29C 45/2896
. . . . .
{
extending in or through the mould cavity, e.g. valves mounted opposite the sprue channel
}
B29C 45/30
. . . .
Flow control means disposed within the sprue channel, e.g. "torpedo" construction
Collapse
. . .
having several axially spaced mould cavities,
{
i.e. for making several separated articles
}
B29C 45/322
. . . .
{
Runner systems for distributing the moulding material to the stacked mould cavities
}
Collapse
B29C 45/33
. . .
having transversely, e.g. radially, movable mould parts
B29C 45/332
. . . .
{
Mountings or guides therefor; Drives therefor
}
Collapse
. . .
having venting means
B29C 45/345
. . . .
{
using a porous mould wall or a part thereof, e.g. made of sintered metal
}
B29C 45/36
. . .
having means for locating or centering cores
Collapse
. . .
Mould cavity walls,
{
i.e. the inner surface forming the mould cavity, e.g. linings
}
Collapse
. . . .
{
provided with means for marking or patterning, e.g. numbering articles
}
. . . . .
{
for displaying altering indicia, e.g. data, numbers
}
. . . .
{
adjustable( B29C 45/374 takes precedence )
}
Collapse
. .
Cutting-off equipment for sprues or ingates
B29C 45/382
. . .
{
disposed outside the mould
}
Collapse
. .
Removing or ejecting moulded articles
Collapse
. . .
{
Ejector constructions; Ejector operating mechanisms( B29C 45/44 takes precedence )
}
. . . .
{
Ejector pin constructions or mountings
}
Collapse
. . .
using means movable from outside the mould between mould parts,
{
e.g. robots
}
. . . .
{
and driven by the movable mould part
}
. . . .
{
Take-off members or carriers for the moulded articles, e.g. grippers
}
Collapse
. . .
using fluid under pressure
. . . .
{
introduced between a mould core and a hollow resilient undercut article, e.g. bellows
}
Collapse
. . .
for undercut articles
. . . .
{
by flexible movement of undercut portions of the articles
}
. . . .
{
using expansible or collapsible cores
}
. . . .
{
using inclined, tiltable or flexible undercut forming elements driven by the ejector means
}
. . . .
{
using fusible, soluble or destructible cores
}
. . . .
{
using flexible or pivotable undercut forming elements( B29C 45/4435 takes precedence )
}
. . . .
{
using non-rigid undercut forming elements, e.g. elastic or resilient
}
Collapse
B29C 45/46
. .
Means for plasticising or homogenising the moulding material or forcing it into the mould
{
( combined with mould opening, closing or clamping devices B29C 45/70 )
}
B29C 45/461
. . .
{
Injection of measured doses
}
Collapse
. . .
{
Injection of preformed charges of material
}
B29C 45/463
. . . .
{
using packaged or wrapped charges
}
. . .
{
using a rotating plasticising or injection disc
}
Collapse
B29C 45/47
. . .
using screws( B29C 45/54 takes precedence )
B29C 45/48
. . . .
Plasticising screw and injection screw
{
comprising two separate screws
}
Collapse
B29C 45/50
. . . .
Axially movable screw
. . . . .
{
Drive means therefor
}
B29C 45/5092
. . . . .
{
Intrusion moulding, i.e. the screw rotates during injection
}
B29C 45/52
. . . . .
Non-return devices
Collapse
B29C 45/53
. . .
using injection ram or piston
B29C 45/531
. . . .
{
Drive means therefor
}
B29C 45/532
. . . .
{
using a hollow injection ram co-operating with a coaxial screw
}
B29C 45/535
. . . .
{
using two or more cooperating injection rams, e.g. coaxially or alternately operating rams
}
Collapse
B29C 45/54
. . . .
and plasticising screw
{
( B29C 45/532 takes precedence )
}
B29C 45/541
. . . . .
{
using a hollow plasticising screw co-operating with a coaxial injection ram
}
B29C 45/542
. . . . .
{
using an accumulator between plasticising and injection unit, e.g. for a continuously operating plasticising screw
}
B29C 45/544
. . . . .
{
the plasticising unit being connected to a transfer chamber in the injection unit at the upstream side of the injection piston
}
Collapse
B29C 45/56
. . .
using mould parts movable during or after injection, e.g. injection-compression moulding
{
( B29C 45/1705 and B29C 45/572 take precedence )
}
. . . .
{
Rotatable mould parts
}
B29C 45/561
. . . .
{
Injection-compression moulding
}
B29C 45/5675
. . . .
{
for making orifices in or through the moulded article
}
. . . .
{
Applying vibrations to the mould parts
}
Collapse
. . .
Exerting after-pressure on the moulding material
{
( B29C 45/174 takes precedence )
}
. . . .
{
using movable mould wall or runner parts
}
Collapse
. . .
Details
. . . .
{
Devices for influencing the material flow, e.g. "torpedo constructions" or mixing devices
}
. . . .
{
Vibration means for the injection unit or parts thereof
}
. . . .
{
Injection or transfer plungers
}
. . . .
Screws
. . . .
Barrels or cylinders
. . . .
Venting or degassing means
Collapse
. .
Mould opening, closing or clamping devices
{
( combined with means for plasticising or homogenising B29C 45/70 )
}
. . .
{
Clamping devices using means for straddling or interconnecting the mould halves, e.g. jaws, straps, latches
}
Collapse
. . .
mechanical
. . . .
{
using a toggle mechanism for mould clamping
}
Collapse
. . .
hydraulic
Collapse
. . . .
{
without relative movement between the piston and the cylinder of the clamping device during the mould opening or closing movement
}
Collapse
. . . . .
{
using a separate element transmitting the mould clamping force from the clamping cylinder to the mould
}
. . . . . .
{
the separate element being displaceable with respect to the mould or the clamping cylinder
}
. . . . . .
{
the separate element consisting of coupling rods
}
Collapse
. . . .
{
using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement
}
. . . . .
{
the connection being provided within the clamping cylinder
}
. . . .
{
Stroke adjusting or limiting means
}
Collapse
. . .
hydro-mechanical
. . . .
{
using a toggle mechanism as mould clamping device
}
. . . .
{
using both a toggle mechanism as mould closing device and another mechanism as mould clamping device
}
Collapse
B29C 45/70
. .
Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
B29C 45/706
. . .
{
using a single drive system providing both the mould closing and clamping pressure and also the injection pressure, e.g. using a fixed injection piston
}
Collapse
. .
Heating or cooling
. . .
{
of the moulded articles
}
Collapse
. . .
of the mould
{
( B29C 45/2642 and B29C 45/2737 take precedence )
}
. . . .
{
Control circuits therefor
}
B29C 45/7312
. . . .
{
Construction of heating or cooling fluid flow channels
}
B29C 45/7331
. . . .
{
Heat transfer elements, e.g. heat pipes
}
B29C 45/7337
. . . .
{
using gas or steam( B29C 45/7331 takes precedence )
}
. . .
of the injection unit
Collapse
. .
Measuring, controlling or regulating
{
( measuring in general G01; controlling or regulating in general G05 )
}
NOTE
-

In groups B29C 45/76 to B29C 45/80 it is desirable to add the indexing codes of B29C 2945/76 relating to measuring, controlling or regulating in injection moulding

B29C 45/7613
. . .
{
the termination of flow of material into the mould
}
B29C 45/762
. . .
{
the sequence of operations of an injection cycle
}
. . .
{
the ejection or removal of moulded articles
}
B29C 45/7646
. . .
{
viscosity
}
B29C 45/7653
. . .
{
mould clamping forces
}
B29C 45/766
. . .
{
the setting or resetting of moulding conditions, e.g. before starting a cycle
}
B29C 45/7666
. . .
{
of power or energy, e.g. integral function of force
}
B29C 45/768
. . .
{
Detecting defective moulding conditions( B29C 45/84 takes precedence )
}
. . .
{
the ejected articles, e.g. weight control
}
B29C 45/7693
. . .
{
using rheological models of the material in the mould, e.g finite elements method
}
B29C 45/77
. . .
of velocity or pressure of moulding material
B29C 45/78
. . .
of temperature
B29C 45/80
. . .
of relative position of mould parts
. . .
Hydraulic
{
or pneumatic
}
circuits
. .
Lubricating means
Collapse
. .
Safety devices
{
( B29C 45/7626 takes precedence )
}
. . .
{
Detection of insert defects, e.g. inaccurate position, breakage
}
B29C 45/844
. . .
{
Preventing damage caused by obstructions or foreign matter caught between mould halves during mould closing, e.g. moulded parts or runners
}
Collapse
Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form ; Apparatus therefor( extrusion blow-moulding B29C 49/04 ; extrusion presses in general B30B 11/22 )
.
{
Small extruders, e.g. handheld extruders or laboratory extruders
}
Collapse
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

. .
{
Extruding materials comprising incompatible ingredients
}
Collapse
.
{
characterised by the shape of the articles
}
. .
{
Particle-shaped( making granules B29B 9/00 )
}
. .
{
Filamentary-shaped articles, e.g. strands( making granules in the form of filamentary material B29B 9/06 )
}
. .
{
Rod-shaped articles
}
. .
{
Flat rigid articles, e.g. panels, plates
}
. .
{
Flat flexible articles, e.g. sheets, foils or films
}
. .
{
Hollow rigid articles having only one tubular passage
}
. .
{
Hollow flexible articles, e.g. blown foils or films
}
. .
{
Multi-passage hollow articles, e.g. having at least two holes, e.g. honeycomb articles
}
. .
{
Articles having cross-sectional irregularities, i.e. being non-flat or having cylindrical cross-sections perpendicular to the extrusion direction
}
. .
{
Articles having longitudinal irregularities, i.e. the cross-section being non- constant in the extrusion direction
}
. .
{
Curved articles
}
Collapse
B29C 47/0038
.
{
Combined shaping operations
}
B29C 47/004
. .
{
Extrusion moulding combined with compression moulding( compression moulding in general B29C 43/00 )
}
B29C 47/0042
. .
{
Extrusion moulding combined with shaping by internal pressure generated in the material, e.g. foaming( shaping by internal pressure generated in the material, e.g. foaming, in general B29C 44/00 )
}
Collapse
B29C 47/0045
. .
{
Extrusion moulding in several steps, i.e. components merging outside the die( B29C47/55 takes precedence )
}
. . .
{
producing flat articles having components brought in contact outside the extrusion die
}
Collapse
. . .
{
producing hollow articles having components brought in contact outside the extrusion die
}
. . . .
{
using a plurality of extrusion dies
}
. .
{
Extrusion moulding combined with blow-moulding or thermoforming( blow-moulding in general B29C 49/00 ; thermoforming in general B29C 51/00 )
}
. .
{
Extrusion moulding combined with shaping by orienting, stretching or shrinking, e.g. film blowing( B29C 47/0054 takes precedence )( shaping by stretching in general B29C 55/00 ; shaping by liberation of internal stresses in general B29C 61/00 )
}
. .
{
Extrusion moulding combined with shaping by flattening, folding or bending( bending, folding or flattening in general B29C 53/00 )
}
B29C 47/0061
. .
{
Extrusion moulding combined with surface shaping( surface shaping in general B29C 59/00 )
}
B29C 47/0064
. .
{
Extrusion moulding combined with joining, lining or laminating( joining in general B29C 65/00 ; lining in general B29C 63/00 ; laminating in general B32B 37/00 )
}
. .
{
Extrusion moulding combined with cutting
}
. .
{
Extrusion moulding combined with printing or marking
}
Collapse
.
{
extruding under particular conditions, e.g. in particular environments or using vacuum or vibrations
}
B29C 47/0073
. .
{
extruding in a clean room
}
. .
{
using force fields, e.g. gravity or electrical fields( B29C 47/887 takes precedence )
}
B29C 47/0078
. .
{
at a location before or in the feed unit, e.g. influencing the material in the hopper
}
B29C 47/008
. .
{
at the plasticising zone
}
B29C 47/0083
. .
{
at a venting zone
}
B29C 47/0085
. .
{
in the die
}
Collapse
B29C 47/0088
. .
{
after the die nozzle
}
B29C 47/009
. . .
{
at the die nozzle exit zone
}
B29C 47/0092
. . .
{
at a calibration zone
}
B29C 47/0095
. . .
{
at a conveyor
}
B29C 47/0097
. . .
{
at a storing zone
}
Collapse
.
incorporating preformed parts or layers, e.g. extrusion moulding around inserts or for coating articles
Collapse
B29C 47/021
. .
{
Coating hollow articles
}
B29C 47/022
. . .
{
Coating the interior of hollow articles
}
B29C 47/023
. . .
{
Coating the inner and outer surfaces of hollow reinforcement
}
Collapse
B29C 47/025
. .
{
Coating non-hollow articles
}
B29C 47/026
. . .
{
partially
}
B29C 47/027
. .
{
Simultaneous coating of more than one article
}
B29C 47/028
. .
{
Coating discontinuous element or linked elements
}
Collapse
B29C 47/04
.
of multilayered
{
or multi-component, e.g. co-extruded layers or components
}
or multicoloured articles
{
or coloured articles
}
{
( adapter blocks B29C 47/56 )
}
Collapse
. .
{
Coloured articles
}
. . .
{
comprising a multi-coloured single component, e.g. striated, marbled or wood-like patterned
}
Collapse
. .
{
Multilayered articles or multi-component articles
}
. . .
{
comprising six or more components, i.e. each component being counted once for each time it is present, e.g. in a layer
}
Collapse
. . .
{
with components adjacent to each other, i.e. components merging at their short sides
}
. . . .
{
in the form of a thin strip, e.g. in the form of a helical pattern or mark lines
}
. . .
{
with components in layered configuration, i.e. components merging at their long sides
}
. . .
{
using means for adhering the layers or components, e.g. using tie layers, irregularities or undercuts
}
. . .
{
using means for avoiding adhering the layers or components, e.g. articles comprising peelable layers
}
Collapse
B29C 47/08
.
Component parts, details or accessories ; Auxiliary operations
Collapse
. .
{
Drive or actuation means; Transmission means; Screw supporting means
}
B29C 47/0803
. . .
{
Shaft or screw supports, e.g. bearings
}
B29C 47/0805
. . .
{
Direct drives or gear boxes
}
. . .
{
Drive or actuation means for non-plasticising purposes, e.g. dosing unit
}
Collapse
B29C 47/0808
. .
{
Sealing means
}
B29C 47/081
. . .
{
for filters
}
Collapse
. .
{
Flow control means, i.e. adjustable parts, e.g. valves( throttling of flow B29C 47/0871 )
}
B29C 47/0813
. . .
{
in the feeding, melting, plasticising or pumping zone, e.g. screw, barrel, gear-pump or ram
}
B29C 47/0815
. . .
{
provided in or in the proximity of filter devices
}
B29C 47/0816
. . .
{
provided in or in the proximity of dies( B29C 47/124 , B29C 47/16 , B29C 47/22 take precedence )
}
Collapse
. .
{
Exchangeable extruder parts( B29C 47/681 takes precedence )
}
B29C 47/082
. . .
{
Mounting and handling of the screw
}
B29C 47/0822
. . .
{
Mounting and handling of the die
}
B29C 47/0823
. . .
{
Mounting and handling of the hopper or feeder
}
. . .
{
Screw parts
}
. . .
{
Barrel parts
}
. . .
{
Die parts
}
. . .
{
Hopper or feeder parts
}
Collapse
. . .
{
Inserts
}
B29C 47/0833
. . . .
{
for screws
}
B29C 47/0835
. . . .
{
for barrels
}
B29C 47/0837
. . . .
{
for dies
}
Collapse
. .
{
General arrangement or layout of plants
}
B29C 47/084
. . .
{
for extruding parallel streams of material, e.g. several separate parallel streams of extruded material forming separate articles( B29C 47/30 , B29C 47/0045 take precedence )
}
Collapse
. .
{
Extruder machines or parts thereof characterised by the material or by their manufacturing process( B29C 47/0818 take precedence; making of dies B23P 15/24 )
}
Collapse
B29C 47/0844
. . .
{
Screws
}
B29C 47/0845
. . . .
{
Material therefor, e.g. coating or lining
}
Collapse
B29C 47/0847
. . .
{
Barrels
}
B29C 47/0849
. . . .
{
Material therefor, e.g. coating or lining
}
Collapse
. . .
{
Dies
}
B29C 47/0852
. . . .
{
Material therefor, e.g. coating or lining
}
Collapse
. .
{
Design of extruder parts, e.g. by modelling based on mathematical theories or experiments
}
Collapse
B29C 47/0855
. . .
{
by modelling material flow, e.g. melt interaction with screw and barrel
}
B29C 47/0857
. . . .
{
in the plasticising zone
}
B29C 47/0859
. . . .
{
in the die zone
}
B29C 47/0861
. . .
{
of intermeshing screws
}
. . .
{
by modelling of mechanical strength
}
B29C 47/0864
. .
{
Machine bases, support structures or frames
}
Collapse
. .
{
Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated
}
B29C 47/0867
. . .
{
allowing small relative movement, e.g. adjustments for aligning the apparatus parts or for compensating for thermal expansion
}
B29C 47/0869
. .
{
Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt( B29C 47/76 takes precedence )
}
. .
{
Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing( flow control means B29C 47/0811 )
}
Collapse
B29C 47/0872
. .
{
Extrusion in non-steady condition, e.g. start-up or shut-down
}
B29C 47/0874
. . .
{
Material change
}
. . .
{
Intermittent extrusion
}
Collapse
B29C 47/0877
. .
{
Cleaning, purging; Avoiding contamination for cleaning extruder parts
}
B29C 47/0879
. . .
{
of feeding units
}
B29C 47/0881
. . .
{
of plasticising units
}
B29C 47/0883
. . .
{
of dies
}
Collapse
B29C 47/0884
. . .
{
of filters
}
B29C 47/0886
. . . .
{
using back flow
}
B29C 47/0888
. . . .
{
using scrapers
}
B29C 47/0889
. . .
{
of the extruded articles
}
Collapse
B29C 47/0891
. .
{
Recovering or reusing of energy, materials or the like
}
B29C 47/0893
. . .
{
of energy
}
Collapse
B29C 47/0894
. . .
{
of materials
}
B29C 47/0896
. . . .
{
of additives or processing aids
}
B29C 47/0898
. .
{
Storing of the manufactured articles, e.g. winding up or stacking
}
Collapse
. .
Feeding the material to the extruder
. . .
Raw material dosing
. . .
Raw material pre-treatment while feeding( pre-treatment of the material to be shaped in general B29B 15/00 ; handling of the material to be shaped in general B29C 31/00 ; B29C 47/78 takes precedence )
Collapse
. . .
{
in solid form, e.g. powder or granules
}
. . . .
{
of preformed parts, e.g. inserts that are fed and transported generally uninfluenced through the extruder or fed directly to the die
}
. . . .
{
of fibrous, filamentary or filling materials e.g. thin fibrous reinforcements or fillers
}
B29C 47/1054
. . . .
{
in band and/or in strip form, e.g. rubber strips
}
. . .
{
in liquid form
}
. . .
{
in gaseous form
}
. . .
{
at several locations, e.g. using several hoppers or using a separate additive feeding
}
B29C 47/109
. . .
{
in a location other than through a barrel, e.g. through a screw
}
Collapse
B29C 47/12
. .
Extrusion nozzles or dies
B29C 47/122
. . .
{
having reciprocating, oscillating or rotating parts
}
. . .
{
being adjustable, i.e. having adjustable exit sections
}
. . .
{
using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support( B29C 47/32 takes precedence )
}
. . .
{
specially adapted for bringing together components, e.g. melts within the die
}
Collapse
. . .
with broad opening, e.g. for sheets
. . . .
{
specially adapted for bringing together components, e.g. melts within the die
}
Collapse
. . . .
{
being
}
adjustable
{
i.e. having adjustable exit sections
}
B29C 47/165
. . . . .
{
by positioning the die lips
}
B29C 47/18
. . . .
with die parts oscillating relative to each other
Collapse
B29C 47/20
. . .
with annular opening, e.g. for tubular articles
Collapse
. . . .
{
being
}
adjustable
{
i.e. having adjustable exit sections
}
B29C 47/225
. . . . .
{
with centering means
}
B29C 47/24
. . . .
with die parts rotatable relative to each other
Collapse
. . . .
Multiple annular extrusion nozzles
{
specially adapted for bringing together components, e.g. melts within the die
}
Collapse
B29C 47/261
. . . . .
{
the components merging one by one down streams in the die
}
B29C 47/263
. . . . . .
{
using a layered die, e.g. stacked discs
}
B29C 47/265
. . . . . .
{
using a die with concentric parts, e.g. rings, cylinders
}
Collapse
B29C 47/266
. . . . .
{
the components merging at a common location
}
B29C 47/268
. . . . . .
{
using a die with concentric parts, e.g. rings, cylinders
}
. . . .
Cross-head annular extrusion nozzles
. . .
Multi-port extrusion nozzles
{
( for making granules in the form of filamentary material B29B 9/06 )
}
. . .
Roller-extrusion nozzles
B29C 47/34
. .
Conveyers for extruded material
{
( B29C 47/0898 takes precedence )
}
Collapse
. .
Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
B29C 47/361
. . .
{
with the barrel or with a part thereof rotating
}
B29C 47/362
. . .
{
using static mixing devices
}
B29C 47/363
. . .
{
using non-actuated dynamic mixing devices
}
. . .
{
using gear pumps
}
Collapse
. . .
{
Multi stage plasticisers, homogenisers or feeders( multi stage plasticisers using at least two screws in the same barrel B29C 47/50 )
}
B29C 47/366
. . . .
{
using a first screw extruder and a second screw extruder
}
. . . .
{
using a screw extruder and a gear pump
}
B29C 47/368
. . . .
{
using a screw extruder and a ram or piston
}
. . . .
{
Partial multi-stage
}
Collapse
. . .
using screws
{
surrounded by a cooperating barrel
}
B29C 47/385
. . . .
{
using a single screw
}
Collapse
. . . .
using at least two
{
parallel
}
intermeshing screws
{
or at least two parallel non-intermeshing screws
}
B29C 47/402
. . . . .
{
the screws having intermeshing parts
}
B29C 47/404
. . . . .
{
the screws having non-intermeshing parts
}
. . . . .
{
using non-identical or non-mirrored screws
}
. . . . .
{
using more than two screws( B29C 47/42 takes precedence )
}
. . . . .
using sub-screws, e.g. planetary screws
. . . .
using axially movable screws
{
in relation to the barrel
}
B29C 47/46
. . . .
using screws extruding in opposite directions
{
e.g. separate screws arranged after each other and feeding in opposite directions
}
B29C 47/48
. . . .
using screws arranged coaxially, one within the other
. . . .
using at least two screws
{
in the same barrel
}
, one after the other, e.g. multi stage plasticisers
Collapse
. . .
using rollers or discs
Collapse
B29C 47/522
. . . .
{
using rollers
}
Collapse
B29C 47/525
. . . . .
{
using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
}
B29C 47/527
. . . . . .
{
Cavity transfer mixing devices, i.e. a roller and surrounding barrel both provided with cavities; Barrels and rollers therefor
}
. . .
using press rams or pistons
{
or accumulators
}
. . .
using more than one extruder to feed one die
Collapse
B29C 47/58
. . .
Details
. . . .
{
Extruder feed section
}
Collapse
. . . .
{
Screws
}
( screws characterized by the material or by their manufacturing process B29C 47/0844 )
B29C 47/6006
. . . . .
{
Hollow screws, i.e. comprising flow passage inside the screws
}
B29C 47/6012
. . . . .
{
having varying outer diameter, e.g. screws with a conical part
}
B29C 47/6018
. . . . .
{
having varying channel depth
}
B29C 47/6025
. . . . .
{
having variable channel pitch
}
B29C 47/6031
. . . . .
{
having forward feeding elements
}
B29C 47/6037
. . . . .
{
having reverse feeding elements
}
B29C 47/6043
. . . . .
{
having grooves or cavities
}
B29C 47/605
. . . . .
{
having projections with a short length in the screw direction, e.g. pins
}
B29C 47/6056
. . . . .
{
having kneading disc like elements, e.g. staggered discontinuous elements with a generally oval cross section
}
B29C 47/6062
. . . . .
{
having shear ring like elements, i.e. with a generally circular cross section
}
B29C 47/6068
. . . . .
{
having gears, i.e. interacting with the flow
}
. . . . .
{
characterised by thread details, i.e. by the special shape of a single thread, e.g. by irregularities within one thread
}
B29C 47/6081
. . . . .
{
characterised by valley details, i.e. by the special shape of a single valley, e.g. by irregularities within one valley
}
. . . . .
{
characterised by the length of the screw or of a section
}
B29C 47/6093
. . . . .
{
having parts without mixing elements, e.g. having cylinder shaped sections
}
Collapse
B29C 47/62
. . . . .
having more than one screw-thread
{
, i.e. the screw cross section showing at least two threads
}
B29C 47/622
. . . . . .
{
the neighbouring threads and channels having identical configurations
}
B29C 47/625
. . . . . .
{
the neighbouring threads or channels having different configurations, e.g. one flight having constantly a smaller diameter or height than the neighbouring flight
}
B29C 47/627
. . . . . .
{
being multi-flight and having three or more flights
}
B29C 47/64
. . . . .
having incorporated mixing devices
{
( B29C 47/6006 to B29C 47/627 take precedence )
}
Collapse
. . . .
Barrels or cylinders
B29C 47/661
. . . . .
{
for single screws
}
B29C 47/662
. . . . .
{
for twin screws
}
B29C 47/663
. . . . .
{
for more than two screws
}
B29C 47/664
. . . . .
{
having adaptable feed or discharge locations, e.g. for varying the amount of kneading by changing hopper position or discharge exit
}
Collapse
. . . . .
{
with irregular inner surfaces
}
B29C 47/666
. . . . . .
{
having grooves or cavities
}
B29C 47/667
. . . . . .
{
having projections with a short length in the barrel direction, e.g. pins
}
B29C 47/668
. . . . . .
{
having threads
}
Collapse
. . . .
Filters;
{
Screens
}
Collapse
B29C 47/681
. . . . .
{
Filtering devices with at least two parallel filters to be used alternately; Movable filters and changing mechanisms therefor
}
B29C 47/682
. . . . . .
{
the filters being fitted on a single rectilinearly reciprocating slide( B29C 47/685 takes precedence )
}
Collapse
B29C 47/683
. . . . . .
{
the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder
}
B29C 47/684
. . . . . . .
{
Continuously rotating cylindrical filters
}
B29C 47/685
. . . . . .
{
the filters being in the form of a continuous web displaceable to utilise adjacent areas consecutively
}
B29C 47/686
. . . . .
{
Substantially flat filters mounted at the end of an extruder screw and perpendicular to its axis( B29C 47/681 takes precedence )
}
Collapse
B29C 47/687
. . . . .
{
Cylindrical or conical filters( B29C 47/681 takes precedence )
}
B29C 47/688
. . . . . .
{
surrounding a rotating screw
}
Collapse
. . . .
Flow dividers
Collapse
. . . . .
{
comprising means for dividing, distributing and recombining melt flows
}
. . . . . .
{
in the die zone, e.g. to create flow homogeneity
}
B29C 47/707
. . . . . .
{
component or layer multiplying
}
Collapse
. . . .
Feed-back means
B29C 47/725
. . . . .
{
for plasticising or homogenising devices
}
Collapse
. . . .
By-pass means
B29C 47/745
. . . . .
{
for plasticising or homogenising devices
}
Collapse
. . . .
Venting,
{
drying
}
or degassing means
B29C 47/761
. . . . .
{
the vented material being in liquid form
}
. . . . .
{
Vapour stripping
}
. . . . .
{
Vent constructions, e.g. venting means avoiding melt escape
}
Collapse
. . . . .
{
in the extruder apparatus
}
Collapse
. . . . . .
{
in screw extruders
}
B29C 47/767
. . . . . . .
{
through a degassing opening of a barrel
}
B29C 47/768
. . . . .
{
outside the apparatus, e.g. after the die
}
Collapse
. .
Heating or cooling the material to be extruded or the stream of extruded material
{
or of a preformed part
}
B29C 47/782
. . .
{
of a preformed part, e.g. a core before entering a die or before entering a barrel
}
Collapse
B29C 47/784
. . .
{
at a location before the plasticising zone, e.g. of the material in the hopper
}
B29C 47/786
. . . .
{
heating
}
B29C 47/788
. . . .
{
cooling
}
Collapse
B29C 47/80
. . .
at plasticising zone
{
, e.g. from the feed section until the die entrance
}
B29C 47/802
. . . .
{
heating
}
B29C 47/805
. . . .
{
cooling
}
B29C 47/807
. . . .
{
characterised by differential heating or cooling
}
Collapse
B29C 47/82
. . . .
Heating
{
or cooling
}
the cylinders
B29C 47/822
. . . . .
{
heating
}
B29C 47/825
. . . . .
{
cooling
}
B29C 47/827
. . . . .
{
characterised by differential heating or cooling
}
Collapse
B29C 47/84
. . . .
Heating
{
or cooling
}
the screws
B29C 47/842
. . . . .
{
heating
}
B29C 47/845
. . . . .
{
cooling
}
B29C 47/847
. . . . .
{
characterised by differential heating or cooling
}
Collapse
B29C 47/86
. . .
at nozzle zone
B29C 47/862
. . . .
{
heating
}
B29C 47/864
. . . .
{
cooling
}
Collapse
B29C 47/866
. . . .
{
characterised by differential heating or cooling
}
B29C 47/868
. . . . .
{
in the direction of the stream of the material
}
Collapse
. . .
Heating or cooling the stream of extruded material
{
Attention is drawn to Note (3) following the subclass title
}
Collapse
B29C 47/8805
. . . .
{
Heating
}
B29C 47/881
. . . . .
{
of hollow articles
}
Collapse
B29C 47/8815
. . . .
{
cooling
}
Collapse
B29C 47/882
. . . . .
{
of hollow articles
}
Collapse
B29C 47/8825
. . . . . .
{
of tubular films
}
B29C 47/883
. . . . . . .
{
internally
}
B29C 47/8835
. . . . . . .
{
externally
}
Collapse
B29C 47/884
. . . . .
{
of flat articles, e.g. using specially adapted supporting means
}
. . . . . .
{
cooling drums
}
B29C 47/885
. . . . . .
{
Endless cooling belts
}
Collapse
B29C 47/8855
. . . . . .
{
with means for improving the adhesion to the supporting means
}
B29C 47/886
. . . . . . .
{
Pressure rollers
}
B29C 47/8865
. . . . . . .
{
using vacuum
}
B29C 47/887
. . . . . . .
{
Electrostatic pinning
}
B29C 47/8875
. . . . . . .
{
by applying pressurised gas to the surface of the flat article
}
B29C 47/888
. . . . . .
{
by interposing a fluid layer between the supporting means and the flat article
}
Collapse
B29C 47/8885
. . . .
{
characterized by differential heating or cooling
}
B29C 47/889
. . . . .
{
in the direction of the stream of the material
}
. . . .
{
using a bath, e.g. extruding into an open bath to coagulate or cool the material
}
Collapse
. . . .
with calibration or sizing
Collapse
B29C 47/901
. . . . .
{
of hollow bodies
}
. . . . . .
{
internally
}
B29C 47/903
. . . . . .
{
externally
}
B29C 47/904
. . . . .
{
using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
}
B29C 47/905
. . . . .
{
using wet calibration, i.e. in a quenching tank
}
B29C 47/906
. . . . .
{
using roller calibration
}
B29C 47/907
. . . . .
{
using adjustable calibrators; e.g. the dimensions of the calibrator being changeable
}
B29C 47/908
. . . . .
{
characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
}
. .
Measuring, controlling or regulating
NOTE
-
[C12.04]

When classifying in group B29C 47/92 it is desirable to add the indexing codes of B29C 2947/00 relating to measuring, controlling or regulating in extrusion moulding

. .
Lubricating
{
, e.g. adding lubrication to the melt
}
Collapse
B29C 47/96
. .
Safety devices
B29C 47/965
. . .
{
Personnel safety, e.g. safety for the operator
}
Collapse
Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould ; Apparatus therefor
{
( extrusion moulding of tubular films B29C 47/0026 ; enlarging tube ends using pressure difference B29C 57/08 )
}
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

Collapse
.
{
for making articles of indefinite length, e.g. corrugated tubes
}
Collapse
. .
{
using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
}
. . .
{
using independent mould parts, i.e. the mould parts not being interconnected, e.g. for speeding up the transfer of the moulds to the beginning of the moulding area
}
.
{
for making articles having hollow walls
}
.
{
without using a mould
}
.
{
Sheet blow-moulding, i.e. using at least two parallel sheets or a folded sheet as a preform
}
Collapse
.
{
characterised by the parison configuration, e.g. nestable( B29C 49/22 takes precedence )
}
Collapse
. .
{
Parisons having internal or external ribs
}
. . .
{
the internal ribs being connected to the opposite wall, e.g. forming an internal separating wall
}
Collapse
B29C 49/02
.
Combined blow-moulding and manufacture of the preform or the parison
. .
{
the parison being partly injected and partly extruded
}
Collapse
. .
Extrusion blow-moulding
B29C 49/041
. . .
{
using an accumulator head
}
Collapse
. .
Injection blow-moulding
{
( introducing a fluid into the interior of the injected material which is still in a molten state B29C 45/1704 )
}
Collapse
. . .
{
with parison holding means displaceable between injection and blow stations
}
Collapse
. . . .
{
following an arcuate path, e.g. rotary or oscillating-type
}
. . . . .
{
with the parison axis held in the plane of rotation
}
. . . .
{
following a rectilinear path, e.g. shuttle-type
}
Collapse
.
Biaxial stretching during blow-moulding
{
with or without prestretching
}
. .
{
without prestretching
}
Collapse
. .
using mechanical means
{
for prestretching
}
. . .
Stretching rods
. . .
Clamps
. .
using pressure difference
{
for prestretching
}
, e.g. pre-blowing
{
( B29C 49/649 takes precedence )
}
Collapse
.
using several blowing steps( B29C 49/16 takes precedence )
B29C 49/185
. .
{
in different mould cavities
}
.
of articles having inserts or reinforcements;
{
Handling of inserts or reinforcements
}
Collapse
.
using multilayered preforms or parisons
. .
{
at least one layer being injected( injection moulding of multilayered parisons B29C 45/1643 , B29C 45/1646 )
}
Collapse
.
Lining or labelling
. .
{
Inserting labels or films into blow-moulds, e.g. in-mould-labellers
}
. .
inner lining of tubes
Collapse
.
Blow-moulding apparatus
Collapse
B29C 49/30
. .
having movable moulds or mould parts
Collapse
. . .
moving "to and fro"
. . . .
the mould parts moving "hand-over-hand"
. . .
rotatable about one axis
Collapse
. . .
mounted on movable endless supports
{
( B29C 49/0021 takes precedence )
}
. . . .
on co-operating drums
Collapse
.
Component parts, details or accessories ; Auxiliary operations
Collapse
. .
{
Handling means, e.g. transfer, loading or discharging means( handling of inserts or reinforcements B29C 49/20 ; handling of labels B29C 49/2408 )
}
. . .
{
for blown articles
}
. . .
{
for increasing the space between preforms, e.g. in order to perform the blow moulding step
}
B29C 49/4236
. .
{
Drive means
}
Collapse
. .
{
Means for deforming the parison prior to the blowing operation( B29C 49/08 takes precedence )
}
. . .
{
Spreading or extending means
}
B29C 49/4252
. .
{
Auxiliary operations prior to the blow moulding operation, e.g. cutting( B29C 49/64 , B29C 49/76 , B29C 49/78 take precedence )
}
B29C 49/4268
. .
{
Auxiliary operations during the blow moulding operation( B29C 49/64 , B29C 49/76 , B29C 49/78 take precedence )
}
Collapse
B29C 49/4273
. .
{
Auxiliary operations after the blow moulding operation( B29C 49/64 , B29C 49/70 , B29C 49/72 , B29C 49/76 , B29C 49/78 take precedence )
}
B29C 49/4278
. . .
{
Cutting, rearranging and joining the cut parts
}
B29C 49/4284
. .
{
Means for recycling or reusing auxiliaries or materials, e.g. blowing fluids or energy
}
B29C 49/4289
. .
{
Valve constructions or configurations, e.g. arranged to reduce blowing fluid consumption
}
. .
for applying pressure through the walls of an inflated bag
. .
characterised by using a particular environment or blow fluids other than air
Collapse
. .
Moulds
Collapse
. . .
{
with means for locally compressing part(s) of the parison in the main blowing cavity
}
. . . .
{
by means of movable mould parts
}
. . .
{
with means for closing off parison ends
}
. . .
{
with means for moulding parts of the parisons in an auxiliary cavity, e.g. moulding a handle
}
. . .
{
with incorporated heating or cooling means
}
. . .
having cutting or deflashing means
. . .
having decorating or printing means
Collapse
. . .
for undercut articles
. . . .
{
having a recessed undersurface
}
. .
Opening, closing or clamping means
Collapse
. .
Blowing means
{
( B29C 45/1734 takes precedence )
}
. . .
Blow-needles
. .
Venting means
Collapse
. .
Heating or cooling preforms, parisons or blown articles
Collapse
. . .
{
Thermal conditioning of preforms( B29C 49/68 takes precedence )
}
. . . .
{
by reheating cold preforms in a single stage
}
( B29C 49/6436 takes precedence )]
. . . .
{
by cooling hot or molten preforms in a single stage( B29C 49/6436 takes precedence )
}
Collapse
. . . .
{
producing a temperature differential
}
. . . . .
{
through the preform length
}
. . . . .
along the preform thickness
. . . .
{
Mandrels or cores specially adapted for heating or cooling preforms
}
Collapse
. . .
{
in several stages( B29C 49/6409 takes precedence )
}
. . . .
{
using several mould cavities for each article
}
. . . .
{
at least one stage being a heating stage used for shrinking of a preform prior to a subsequent blowing stage
}
. . .
Cooling by refrigerant introduced into the blown article
. . .
Ovens specially adapted for heating preforms or parisons
. .
Removing or ejecting blown articles from the mould
Collapse
. .
Deflashing outside the mould
. . .
Deflashing the neck portion
. .
Neck calibration
Collapse
. .
Measuring, controlling or regulating
. . .
{
the blowing pressure
}
B29C 49/786
. . .
{
the temperature
}
. . .
Testing, e.g. for leaks
Collapse
Shaping by thermoforming,
{
i.e. shaping sheets or sheet like preforms after heating
}
, e.g. shaping sheets in matched moulds or by deep-drawing ; Apparatus therefor
{
( blow moulding of tubular preforms B29C 49/00 , deforming of tubular or hollow preforms B29C 67/0014 )
}
Collapse
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

. .
{
Textile or other fibrous material made from plastics fibres( combined with plastic layers B29C 51/145 ; compression moulding of reinforced plastic articles in matched moulds B29C 70/46 ; using pressure difference B29C 70/44 )
}
.
{
for making articles having hollow walls
}
.
{
without using a mould, e.g. ballooning( as prestretching step B29C 51/06 )
}
.
Combined thermoforming and manufacture of the preform
Collapse
.
Combined thermoforming and prestretching, e.g. biaxial stretching
. .
using pressure difference
{
for prestretching
}
Collapse
.
Deep drawing or matched-mould forming, i.e. using mechanical means only
Collapse
. .
{
by shaping between complementary mould parts
}
. . .
{
with at least one of the shaping surfaces being made of resilien material, e.g. rubber
}
. . .
{
with at least one of the mould parts comprising independently movable sections( B29C 51/32 and B29C 51/34 take precedence )
}
Collapse
.
Forming by pressure difference, e.g. vacuum
. .
{
Twin sheet thermoforming, i.e. deforming two parallel opposing sheets or foils at the same time by using one common mould cavity and without welding them together during thermoforming( B29C 51/267 , B29C 49/0047 take precedence )
}
.
of articles having inserts or reinforcements
Collapse
.
using multilayered preforms or sheets
B29C 51/145
. .
{
having at least one layer of textile or fibrous material combined with at least one plastics layer
}
Collapse
.
Lining or labelling
. .
{
of deep containers or boxes
}
Collapse
. .
{
combined with the feeding or the shaping of the lining or the labels( by injection moulding B29C 45/14008 , B29C 45/1418 )
}
. . .
{
of a continuous strip
}
Collapse
B29C 51/18
.
Thermoforming apparatus
Collapse
. .
having movable moulds or mould parts
Collapse
. . .
rotatable about an axis
. . . .
{
mounted on a vacuum drum( for surface shaping B29C 59/06 )
}
B29C 51/24
. . .
mounted on movable endless supports
Collapse
.
Component parts, details or accessories ; Auxiliary operations
Collapse
. .
{
Handling means, e.g. transfer means, feeding means( B29C 51/44 takes precedence )
}
. . .
{
Clamping means for the sheets, e.g. clamping frames
}
. .
{
characterised by using a particular environment, e.g. sterile
}
B29C 51/264
. .
{
Auxiliary operations prior to the thermoforming operation, e.g. cutting( B29C 51/42 , B29C 51/46 take precedence )
}
B29C 51/265
. .
{
Auxiliary operations during the thermoforming operation( B29C 51/42 , B29C 51/46 take precedence )
}
Collapse
B29C 51/266
. .
{
Auxiliary operations after the thermoforming operation( B29C 51/42 , B29C 51/44 , B29C 51/46 take precedence )
}
B29C 51/267
. . .
{
Two sheets being thermoformed in separate mould parts and joined together while still in the mould( B29C 49/0047 takes precedence )
}
B29C 51/268
. . .
{
Cutting, rearranging and joining the cut parts
}
. .
for applying pressure through the wall of an inflated bag or diaphragm
Collapse
. .
Moulds
. . .
{
with sealing means or the like
}
. . .
{
with means for forming a rim( combined with cutting B29C 51/325 ; rim rolling per se B29C 53/34 )
}
Collapse
B29C 51/32
. . .
having cutting means
B29C 51/325
. . . .
{
combined with means for forming a rim
}
Collapse
. . .
for undercut articles
. . . .
{
having recessed undersurfaces
}
. . . .
{
specially adapted to facilitate the destacking of nestable containers
}
Collapse
. . .
specially adapted for vacuum forming
{
, Manufacture thereof
}
. . . .
{
Porous moulds
}
. . .
Opening, closing or clamping means
. . .
Venting means
Collapse
. .
Heating or cooling
Collapse
. . .
{
of preforms, specially adapted for thermoforming( preheating sheets in general B29B 13/023 ; B29C 51/427 takes precedence )
}
Collapse
. . . .
{
to produce a temperature differential( B29C 51/426 takes precedence )
}
. . . . .
{
through the thickness of the preform
}
. . . .
{
using a heated fluid
}
. . . .
{
using movable heating devices
}
B29C 51/426
. . .
{
Producing specific thermal regimes during thermoforming to obtain particular properties
}
. . .
{
Cooling of the material with a fluid blast
}
. . .
{
of moulds or mould parts
}
Collapse
. .
Removing or ejecting moulded articles
. . .
{
from a support after moulding, e.g. by cutting
}
B29C 51/46
. .
Measuring, controlling or regulating
Collapse
Shaping by bending, folding, twisting, straightening or flattening ; Apparatus therefor( B29C 61/10 takes precedence )
B29C 53/005
.
{
characterised by the choice of material( B29C53/36B and B29C 53/56 take precedence )
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

Collapse
B29C 53/02
.
Bending or folding( B29C 53/22 , B29C 53/34 , B29C 53/36 , B29C 53/56 take precedence )
B29C 53/025
. .
{
using a folding bag
}
Collapse
B29C 53/04
. .
of plates or sheets
{
( B29C 63/04 takes precedence; bending or folding paper B31F 1/0003 ; folding films B65H 45/00 )
}
B29C 53/043
. . .
{
using rolls or endless belts
}
B29C 53/046
. . .
{
using centrifugal force
}
Collapse
B29C 53/06
. . .
Forming folding lines by pressing or scoring
Collapse
B29C 53/063
. . . .
{
combined with folding
}
B29C 53/066
. . . . .
{
and joining the sides of the folding line, e.g. "Abkantschweissen"
}
Collapse
B29C 53/08
. .
of tubes
{
or other profiled members
}
B29C 53/083
. . .
{
bending longitudinally, i.e. modifying the curvature of the tube axis
}
B29C 53/086
. . .
{
bending radially, i.e. deformig the cross-section of the tube
}
B29C 53/10
. .
of blown tubular films, e.g. gusseting
{
( flattening blown films during extrusion moulding B29C 47/0009 )
}
B29C 53/12
. .
helically, e.g. for making springs
{
( for textile fibres D02G 1/00 )
}
B29C 53/14
.
Twisting
{
( for textile fibres D01H )
}
Collapse
B29C 53/16
.
Straightening or flattening
. .
of plates or sheets
B29C 53/20
. .
of tubes
Collapse
B29C 53/22
.
Corrugating
Collapse
B29C 53/24
. .
of plates or sheets
Collapse
B29C 53/26
. . .
parallel with direction of feed
B29C 53/265
. . . .
{
using rolls or endless bands
}
Collapse
B29C 53/28
. . .
transverse to direction of feed
B29C 53/285
. . . .
{
using rolls or endless bands
}
Collapse
B29C 53/30
. .
of tubes( by blow-moulding B29C 49/00 )
B29C 53/305
. . .
{
using a cording process
}
B29C 53/32
.
Coiling( B29C 53/56 takes precedence )
B29C 53/34
.
Rim rolling( of tube ends B29C 57/12 )
Collapse
B29C 53/36
.
Bending and joining, e.g. for making hollow articles( B29C 53/56 takes precedence; from paper B31C ,
{
B31F
}
)
Collapse
B29C 53/38
. .
by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
B29C 53/382
. . .
{
using laminated sheets
}
B29C 53/385
. . .
{
using several sheets to form the circumference
}
B29C 53/387
. . .
{
the joining being done from the inside
}
Collapse
B29C 53/40
. . .
for articles of definite length, i.e. discrete articles
Collapse
B29C 53/42
. . . .
using internal forming surfaces, e.g. mandrels
B29C 53/44
. . . . .
rotatable about the axis of the article
B29C 53/46
. . . .
using external forming surfaces, e.g. sleeves
Collapse
B29C 53/48
. . .
for articles of indefinite length, i.e. bending a strip progressively
B29C 53/50
. . . .
using internal forming surfaces, e.g. mandrels
B29C 53/52
. . . .
using external forming surfaces, e.g. sleeves
B29C 53/54
. . . .
Guiding, aligning or shaping edges
Collapse
.
Winding and joining, e.g. winding spirally
{
winding in general B65H
}
B29C 53/562
. .
{
spirally
}
B29C 53/564
. .
{
for making non-tubular articles( for winding of reinforced articles having a non-circular cross-section followed by compression B29C 70/347 )
}
B29C 53/566
. .
{
for making tubular articles followed by compression
}
B29C 53/568
. .
{
without using a forming surface
}
Collapse
B29C 53/58
. .
helically
Collapse
B29C 53/581
. . .
{
using sheets or strips consisting principally of plastics material( using profiled sheets or strips B29C 53/78 )
}
B29C 53/582
. . . .
{
comprising reinforcements, e.g. wires, threads
}
Collapse
B29C 53/583
. . .
{
for making tubular articles with particular features
}
B29C 53/584
. . . .
{
having a non-circular cross-section
}
Collapse
B29C 53/585
. . . .
{
the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends
}
B29C 53/586
. . . . .
{
having corrugations
}
B29C 53/587
. . . .
{
having a non-uniform wall-structure, e.g. with inserts, perforations, locally concentrated reinforcements
}
B29C 53/588
. . . .
{
having a non-linear axis e.g. elbows, toroids
}
Collapse
B29C 53/60
. . .
using internal forming surfaces, e.g. mandrels
Collapse
B29C 53/602
. . . .
{
for tubular articles having closed or nearly closed ends, e.g. vessels, tanks, containers
}
B29C 53/605
. . . . .
{
by polar winding
}
B29C 53/607
. . . .
{
having driving means for advancing the wound articles, e.g. belts, rolls( B29C 53/74 takes precedence )
}
Collapse
B29C 53/62
. . . .
rotatable about the winding axis
B29C 53/64
. . . . .
and moving axially
Collapse
B29C 53/66
. . . . .
with axially movable winding feed member
{
e.g. lathe type winding
}
B29C 53/665
. . . . . .
{
Coordinating the movements of the winding feed member and the mandrel
}
Collapse
B29C 53/68
. . . .
with rotatable winding feed member
B29C 53/70
. . . . .
and moving axially
B29C 53/72
. . .
using external forming surfaces
B29C 53/74
. . .
using a forming surface inthe shape of an endless belt which is recycled after the forming operation
B29C 53/76
. . .
about more than one axis,
{
e.g. T-pieces, balls
}
Collapse
B29C 53/78
. . .
using profiled sheets or strips
B29C 53/785
. . . .
{
with reinforcements
}
Collapse
B29C 53/80
.
Component parts, details or accessories ; Auxiliary operations
Collapse
B29C 53/8008
. .
{
specially adapted for winding and joining
}
B29C 53/8016
. . .
{
Storing, feeding or applying winding materials, e.g. reels, thread guides, tensioners
}
B29C 53/8041
. . .
{
Measuring, controlling or regulating( B29C 53/665 takes precedence )
}
Collapse
B29C 53/805
. . .
{
Applying axial reinforcements
}
B29C 53/8058
. . . .
{
continuously
}
Collapse
B29C 53/8066
. . .
{
Impregnating( impregnating as pretreatment B29B 15/10 )
}
B29C 53/8075
. . . .
{
on the forming surfaces
}
B29C 53/8083
. . .
{
Improving bonding of wound materials or layers
}
B29C 53/8091
. . .
{
Cutting the ends, surface finishing
}
Collapse
B29C 53/82
. .
Cores or mandrels
Collapse
B29C 53/821
. . .
{
Mandrels especially adapted for winding and joining
}
B29C 53/822
. . . .
{
Single use mandrels, e.g. destructible, becoming part of the wound articles( B29C 53/825 takes precedence )
}
B29C 53/824
. . . .
{
collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles( B29C 53/825 takes precedence )
}
Collapse
B29C 53/825
. . . .
{
for continuous winding
}
B29C 53/827
. . . . .
{
formed by several elements rotating about their own axes
}
B29C 53/828
. . . .
{
Arrangements comprising a plurality of cores or mandrels, e.g. to increase production speed( B29C 53/827 takes precedence )
}
Collapse
B29C 53/84
. .
Heating or cooling
B29C 53/845
. . .
{
especially adapted for winding and joining
}
Collapse
Shaping by stretching, e.g. drawing through a die ; Apparatus therefor( B29C 61/08 takes precedence )
B29C 55/005
.
{
characterised by the choice of materials
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

Collapse
B29C 55/02
.
of plates or sheets
Collapse
B29C 55/023
. .
{
using multilayered plates or sheets
}
B29C 55/026
. . .
{
of preformed plates or sheets coated with a solution, a dispersion or a melt of thermoplastic material
}
Collapse
B29C 55/04
. .
uniaxial, e.g. oblique
B29C 55/045
. . .
{
in a direction which is not parallel or transverse to the direction of feed e.g. oblique
}
Collapse
B29C 55/06
. . .
parallel with the direction of feed
B29C 55/065
. . . .
{
in several stretching steps
}
Collapse
B29C 55/08
. . .
transverse to the direction of feed
B29C 55/085
. . . .
{
in several stretching steps
}
Collapse
B29C 55/10
. .
multiaxial
Collapse
B29C 55/12
. . .
biaxial
Collapse
B29C 55/14
. . . .
successively
B29C 55/143
. . . . .
{
firstly parallel to the direction of feed and then transversely thereto
}
B29C 55/146
. . . . .
{
firstly transversely to the direction of feed and then parallel thereto
}
Collapse
B29C 55/16
. . . .
simultaneously
B29C 55/165
. . . . .
{
Apparatus therefor
}
B29C 55/18
. .
by squeezing between surfaces, e.g. rollers
B29C 55/20
. .
Edge clamps
Collapse
B29C 55/22
.
of tubes
{
( B29C 61/08 takes precedence )
}
B29C 55/24
. .
radial
B29C 55/26
. .
biaxial
Collapse
B29C 55/28
.
of blown tubular films, e.g. by inflation
{
( extrusion moulding of tubular films B29C 47/0009 )
}
B29C 55/285
. .
{
by using internal mechanical means
}
B29C 55/30
.
Drawing through a die
{
( pultrusion B29C 70/52 )
}
Collapse
Shaping of tube ends, e.g. flanging, belling, closing ; Apparatus therefor,
{
e.g. collapsible mandrels
}
B29C 57/005
.
{
the end of an internal lining( fixing the end of the lining B29C 63/346 )
}
Collapse
B29C 57/02
.
Belling or enlarging, e.g. combined with forming a groove
B29C 57/025
. .
{
combined with the introduction of a sealing ring, e.g. using the sealing element as forming element
}
Collapse
B29C 57/04
. .
using mechanical means
{
( B29C 57/025 takes precedence )
}
B29C 57/045
. . .
{
rotating
}
B29C 57/06
. . .
elastically deformable
B29C 57/08
. .
using pressure difference
B29C 57/10
.
Closing
Collapse
B29C 57/12
.
Rim rolling
B29C 57/125
. .
{
using tools with helical grooves
}
Collapse
Surface shaping
{
of articles
}
e.g. embossing ; Apparatus therefor
{
( in-mould printing B29C 37/0025 ; by using liquids B29C 71/0009 ; by using gases without chemical reaction B29C 71/009 ; for decorating in general B44 ; abrasive blasting B24C ; chemical aspects C08J 7/00 )
}
.
{
Component parts, details or accessories; Auxiliary operations
}
.
{
characterised by the choice of material
}
NOTE
-
Documents in which moulding materials are mentioned are indexed using indexing codes of subclass L29C . However, when, for example, documents concerning the choice of moulding material having a particular influence on the moulding technique cannot be satisfactorily indexed, the documents may be classified in this group if of interest

.
{
Forming single grooves or ribs, e.g. tear lines, weak spots( by moulding B29C 37/0057 ; folding lines B29C 53/06 ; in metal articles B21D 17/00 ; by cutting B26D 3/08 )
}
Collapse
.
by mechanical means, e.g. pressing
{
( B29C 59/007 takes precedence; embossing expanded porous articles B29C 44/5627 )
}
. .
{
of profiled articles, e.g. hollow or tubular articles, beams
}
Collapse
. .
{
characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
}
. . .
{
Fibrous surfaces with piles or similar fibres substantially perpendicular to the surface
}
. .
{
of layered or coated substantially flat surfaces
}
Collapse
. .
using rollers or endless belts
. . .
{
for profiled articles
}
. . .
{
for layered or coated substantially flat surfaces
}
. .
using vacuum drums
{
( for thermoforming B29C 51/225 )
}
Collapse
.
by flame treatment;
{
using hot gases
}
. .
{
of profiled articles e.g. hollow or tubular articles
}
Collapse
.
by electric discharge treatment( electrodes H01T )
. .
{
of profiled articles, e.g. hollow or tubular articles
}
. .
{
the electrodes being placed on the same side of the material to be treated
}
. .
in an environment other than air
Collapse
.
by plasma treatment( in general H05H )
{
( plasma tubes per se H01J )
}
. .
{
of profiled articles, e.g. hollow or tubular articles
}
Collapse
.
by wave energy or particle radiation,
{
e.g. infra-red heating( B29C 59/007 takes precedence )
}
. .
{
of profiled articles e.g. hollow or tubular articles
}
.
by liberation of internal stresses, e.g. plastic memory
Collapse
Shaping by liberation of internal stresses ; Making preforms having internal stresses ; Apparatus therefor( for surface shaping B29C 59/18 ; for lining articles B29C 63/38 ; for joining preformed parts B29C 65/66 )
{
( for packaging B65B 53/00 ; connecting arrangements or other fittings for plastics pipes using shrink-down material F16L 47/22 , electrical connections insulated using heat shrinking insulating sleeves H01R 4/72 ; cable junctions protected by sleeves H02G 15/18 )
}
B29C 61/003
.
{
characterised by the choice of material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

B29C 61/006
.
{
the force created by the liberation of the internal stresses being used for compression moulding or for pressing preformed material
}
Collapse
B29C 61/02
.
Thermal shrinking
B29C 61/025
. .
{
for the production of hollow or tubular articles
}
B29C 61/04
.
Thermal expansion
Collapse
B29C 61/06
.
Making preforms having internal stresses, e.g. plastic memory
Collapse
B29C 61/0608
. .
{
characterised by the configuration or structure of the preforms
}
B29C 61/0616
. . .
{
layered or partially layered preforms, e.g. preforms with layers of adhesive or sealing compositions( B29C 61/0625 and B29C 61/065 take precedence )
}
B29C 61/0625
. . .
{
Preforms comprising incorporated or associated heating means
}
B29C 61/0633
. . .
{
Preforms comprising reinforcing elements( B29C 61/0625 takes precedence )
}
B29C 61/0641
. . .
{
Clips for dividing preforms or forming branch-offs( clips in general F16B 2/20 )
}
B29C 61/065
. . .
{
Preforms held in a stressed condition by means of a removable support; Supports therefor
}
B29C 61/0658
. . .
{
consisting of fibrous plastics material, e.g. woven
}
B29C 61/0666
. . .
{
comprising means indicating that the shrinking temperature is reached
}
B29C 61/08
. .
by stretching tubes
{
( in general B29C 55/22 , B29C 55/28 )
}
B29C 61/10
. .
by bending plates or sheets
{
in general B29C 53/36
}
Collapse
Lining or sheathing, i.e. applying preformed layers or sheating of plastics ; Apparatus therefor( B29C 73/00 takes precedence; by blowing B29C 49/00 ; by thermoforming B29C 51/00 )
Collapse
B29C 63/0004
.
{
Component parts, details or accessories; Auxiliary operations
}
B29C 63/0013
. .
{
Removing old coatings
}
Collapse
B29C 63/0017
.
{
characterised by the choice of the material
}
NOTE
-
When classifying in this group, it is desirable to add the indexing codes of subclass B29K to identify the moulding materials and their properties. Documents concerning the choice of moulding materials having a particular influence on the moulding technique should be classified in this group if of interest

B29C 63/0021
. .
{
with coherent impregnated reinforcing layers
}
Collapse
B29C 63/0026
.
{
an edge face with strip material, e.g. a panel edge( securing a veneer strip to a panel edge B27D 5/003 )
}
B29C 63/003
. .
{
continuously
}
Collapse
B29C 63/0034
. .
{
the strip material being folded
}
B29C 63/0039
. . .
{
continuously
}
B29C 63/0043
.
{
Fixing the layers by electrostatic charges, by the use of structured surfaces or by mechanical means
}
B29C 63/0047
.
{
Preventing air-inclusions
}
B29C 63/0052
.
{
Testing, e.g. testing for the presence of pinholes
}
B29C 63/0056
.
{
Provisional sheathings
}
Collapse
B29C 63/0065
.
{
Heat treatment
}
B29C 63/0069
. .
{
of tubular articles
}
Collapse
B29C 63/0073
.
{
of non-flat surfaces e.g. curved, profiled( B29C 63/042 takes precedence )
}
B29C 63/0078
. .
{
having local protrusions e.g. rivet heads
}
Collapse
B29C 63/0082
.
{
Finishing the edges of holes or perforations in the lined product
}
B29C 63/0086
. .
{
and removing the portion of the lining covering the holes
}
B29C 63/0091
.
{
in particular atmospheres
}
B29C 63/0095
.
{
using a provisional carrier
}
Collapse
B29C 63/02
.
using sheet or web-like material( B29C 63/26
{
and B29C 63/38
}
take precedence )
B29C 63/024
. .
{
the sheet or web-like material being supported by a moving carriage
}
B29C 63/025
. .
{
applied by a die matching with the profile of the surface of resilient articles, e.g. cushions, seat pads
}
Collapse
B29C 63/04
. .
by folding, winding, bending or the like
B29C 63/042
. . .
{
of L- or Z- shaped surfaces, e.g. for counter-tops
}
B29C 63/044
. . .
{
continuously( B29C 63/065 , B29C 63/105 take precedence )
}
B29C 63/046
. . .
{
using a folding shoulder
}
B29C 63/048
. . .
{
specially adapted for articles having local protrusions, e.g. tubes having a bead weld
}
Collapse
B29C 63/06
. . .
around tubular articles
B29C 63/065
. . . .
{
continuously
}
Collapse
B29C 63/08
. . .
by winding helically
Collapse
B29C 63/10
. . . .
around tubular articles
B29C 63/105
. . . . .
{
continuously
}
Collapse
B29C 63/12
. . .
by winding spirally
Collapse
B29C 63/14
. . . .
around tubular articles
B29C 63/145
. . . . .
{
the tubular articles being mounted on transfer means
}
B29C 63/16
. .
applied by "rubber" bag or diaphragm
Collapse
B29C 63/18
.
using tubular layers or sheathings( B29C 63/26
{
and B29C 63/38
}
take precedence;
{
placing tubular labels around rigid containers B65C 3/065
}
)
B29C 63/182
. .
{
applied by a "rubber" bag or diaphragm
}
B29C 63/185
. .
{
by turning inside-out or by derolling
}
B29C 63/187
. .
{
by removing a shirred or pleated hose from a support
}
B29C 63/20
. .
using pressure difference, e.g. vacuum
B29C 63/22
.
using layers or sheathings having a shape adapted to the shape of the article( B29C 63/26
{
and B29C 63/38
}
take precedence )
B29C 63/24
.
using threads
Collapse
B29C 63/26
.
Lining or sheathing of internal surfaces( B29C 63/38 takes precedence )
B29C 63/28
. .
applied by "rubber" bag or diaphragm
Collapse
B29C 63/30
. .
using sheet or web-like material
B29C 63/32
. . .
by winding helically
Collapse
B29C 63/34
. .
using tubular layers or sheathings
B29C 63/341
. . .
{
pressed against the wall by mechanical means
}
B29C 63/343
. . .
{
the tubular sheathing having a deformed non-circular cross-section prior to introduction
}
B29C 63/345
. . .
{
whilst rotating the article
}
B29C 63/346
. . .
{
Fixing the end of the lining( shaping tube ends B29C 57/005 )
}
B29C 63/36
. . .
being turned inside out
{
( for platic tubes in general B29C 67/0018 )
}
Collapse
B29C 63/38
.
by liberation of internal stresses
B29C 63/40
. .
using sheet or web-like material
Collapse
B29C 63/42
. .
using tubular layers or sheathings
Collapse
B29C 63/423
. . .
{
specially applied to the mass-production of externally coated articles, e.g. bottles
}
B29C 63/426
. . . .
{
in combination with the in situ shaping of the external tubular layer
}
B29C 63/44
. .
the shape of the layers or sheathings being adapted to the shape of the articles
B29C 63/46
. .
of internal surfaces
Collapse
B29C 63/48
.
Preparation of the surfaces
B29C 63/481
. .
{
mechanically
}
B29C 63/486
. .
{
of metal surfaces( B29C 63/481 takes precedence )
}
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Joining
{
or sealing
}
of preformed parts,
{
e.g. welding of plastics materials
}
; Apparatus therefor(
{
general aspects of processes or apparatus for joining preformed parts B29C 66/00 ; using porous material formed by internal pressure generated therein for joining preformed parts B29C 44/1228 , B29C 44/326 ;
}
for making boxes, cartons, envelopes or bags B31B; for sealing or securing package folds or closures B65B 51/00 ; joining constructional elements in general F16B; splicing of light guides G02B 6/255 )
WARNING
-
Groups B29C 65/00 to B29C 65/70 are not complete, mainly for documents published before the year 1995, pending reclassification; see also B29C 65/74 and its subgroups

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B29C 65/002
.
{
Joining methods not otherwise provided for
}
. .
{
Cold joining
}
B29C 65/006
. .
{
Diffusion joining( measures for intermixing the material of the joint interlayer B29C 66/341 )
}
. .
{
making use of electrostatic charges( holding means using electrostatic forces to hold at least one of the parts to be joined B29C 65/7852 )
}
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.
by heating, with or without pressure
WARNING
-
Group B29C 65/02 and subgroups are not complete, pending a reorganisation; see also B29C 65/48 and its subgroups

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B29C 65/022
. .
{
Particular heating or welding methods not otherwise provided for
}
B29C 65/024
. . .
{
making use of combustible material, i.e. the combustible material is in contact with the material to be joined
}
B29C 65/026
. . .
{
making use of hot liquids, i.e. the liquid is in direct contact with the material to be joined
}
B29C 65/028
. . .
{
making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
}
. .
Dielectric heating, e.g. high-frequency welding
{
i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
}
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. .
using friction, e.g. spin welding
{
( non-plastics elements to plastic elements B29C 65/645 )
}
WARNING
-
Subgroups of B29C 65/06 are not complete, pending a reorganisation; see also this group and its subgroups

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B29C 65/0609
. . .
{
characterised by the movement of the parts to be joined( B29C 65/0672 takes precedence )
}
. . . .
{
Linear
}
. . . .
{
Angular, i.e. torsional( B29C 65/082 takes precedence )
}
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. . . .
{
Orbital
}
B29C 65/0645
. . . . .
{
Circular
}
B29C 65/0654
. . . . .
{
Elliptical
}
B29C 65/0663
. . . . .
{
Other specific orbital movements not provided for in B29C 65/0645 to B29C 65/0654 , e.g. Lissajous
}
. . .
{
Spin welding
}
. . .
{
created by a tool
}
. . .
{
the welding tool cooperating with specially formed features of at least one of the parts to be joined, e.g. cooperating with holes or ribs of at least one of the parts to be joined
}
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. .
using ultrasonic vibrations
{
( non-plastics element to plastics elements B29C 65/645 )
}
WARNING
-
Subgroups of B29C 65/08 are not complete pending reclassification; see also this group and its other subgroups

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. . .
{
having a component of vibration not perpendicular to the welding surface
}
. . . .
{
Angular, i.e. torsional ultrasonic welding
}
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B29C 65/083
. . .
{
using a rotary sonotrode or a rotary anvil
}
. . . .
{
using a rotary sonotrode
}
. . . .
{
using a rotary anvil
}
. . . .
{
using both a rotary sonotrode and a rotary anvil
}
. . .
{
using several cooperating sonotrodes, i.e. interacting with each other, e.g. for realising the same joint
}
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. .
using hot gases
{
( e.g. combustion gases )or flames coming in contact with at least one of the parts to be joined
}
. . .
{
direct heating both surfaces to be joined
}
WARNING
-
Not complete, pending a reorganisation; see also B29C 65/10 and B29C 65/10 B

. . .
{
using flames coming in contact with at least one of the parts to be joined
}
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. . .
and welding bar
B29C 65/125
. . . .
{
characterised by the composition of the welding bar
}
WARNING
-
Not complete, pending a reorganisation; see also B29C 65/12

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. .
using wave energy
{
, i.e. electromagnetic radiation,
}
or particle radiation
{
( using mechanical waves B29C 65/06 ; using ultrasonic waves B29C 65/08 ; pressing means transparent to electromagnetic radiation B29C 66/81267 )
}
WARNING
-
Subgroups B29C 65/1403 to B29C 65/1496 are not complete pending a reorganisation; see also this group and its subgroups

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B29C 65/1403
. . .
{
characterised by the type of electromagnetic or particle radiation( B29C 65/1603 takes precedence )
}
B29C 65/1406
. . . .
{
Ultraviolet [UV
}
radiation]
B29C 65/1409
. . . .
{
Visible light radiation
}
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. . . .
{
Infrared [IR
}
radiation]
B29C 65/1416
. . . . .
{
Near-infrared radiation [NIR
}
]
B29C 65/1419
. . . . .
{
Mid-infrared radiation [MIR
}
]
B29C 65/1422
. . . . .
{
Far-infrared radiation [FIR
}
]
B29C 65/1425
. . . .
{
Micro-wave radiation
}
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B29C 65/1429
. . .
{
characterised by the way of heating the interface( B29C 65/1629 takes precedence )
}
. . . .
{
direct heating of the surfaces to be joined
}
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. . . .
{
at least passing through one of the parts to be joined, i.e. transmission welding
}</