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CPC
COOPERATIVE PATENT CLASSIFICATION
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B29C
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
-
[C2010.03]

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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B29C 31/00
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)
}
B29C 31/002
.
{
Handling tubes, e.g. transferring between shaping stations, loading on mandrels
}
B29C 31/004
.
{
Arrangements for converting the motion of a material which is continuously fed to a working station in a stepwise motion
}
B29C 31/006
.
{
Handling moulds, e.g. between a mould store and a moulding machine (movable moulds B29C 33/34; for injection moulding B29C 45/1756)
}
B29C 31/008
.
{
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)
}
B29C 31/02
.
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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B29C 31/04
.
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)
B29C 31/041
. .
{
using filling or dispensing heads placed in closed moulds or in contact with mould walls (B29C 45/27 takes precedence)
}
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B29C 31/042
. .
{
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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B29C 31/044
. . .
{
with moving heads for distributing liquid or viscous material into the moulds
}
B29C 31/045
. . . .
{
moving along predetermined circuits or distributing the material according to predetermined patterns
}
B29C 31/047
. . .
{
combined with moving moulds (B29C 31/044, B29C 31/048 take precedence)
}
B29C 31/048
. . .
{
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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B29C 31/06
. .
in measured doses,
{
e.g. by weighting(feeding mixers with measured dosesB01F 15/0216,B01F 15/0454,B29B 7/24,B29B 7/603; in generalG01F)
}
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B29C 31/061
. . .
{
using stationary volumetric measuring chambers
}
B29C 31/063
. . . .
{
of the piston type
}
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B29C 31/065
. . .
{
using volumetric measuring chambers moving between a charging station and a discharge station
}
B29C 31/066
. . . .
{
using feed frames, e.g. for dry material
}
B29C 31/068
. . . .
{
of the piston type
}
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B29C 31/08
. .
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

B29C 31/085
. . .
{
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)
}
B29C 31/10
. .
of several materials
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B29C 33/00
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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B29C 33/04
. .
using liquids, gas or steam
{
(tyre moulds with incorporated heating or cooling means using liquids, gas or steam B29D 30/06B)
}
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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B29C 33/3842
. .
{
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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B29C 33/442
. .
{
with mechanical ejector or drive means therefor
}
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B29C 33/444
. . .
{
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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B29C 35/00
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
}
B29C 35/007
.
{
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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B29C 35/02
.
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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B29C 35/0227
. .
{
using pressure vessels, e.g. autoclaves, vulcanising pans (B29C 35/065 takes precedence)
}
B29C 35/0233
. . .
{
the curing continuing after removal from the mould
}
B29C 35/0238
. . .
{
Presses provided with pressure vessels, e.g. steam chambers
}
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B29C 35/0244
. .
{
using fluidised bed
}
B29C 35/025
. . .
{
for articles of indefinite length
}
B29C 35/0255
. .
{
using friction
}
B29C 35/0261
. .
{
using ultrasonic or sonic vibrations
}
B29C 35/0266
. .
{
Local curing (for repairing B29C 73/34)
}
B29C 35/0272
. .
{
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)
}
B29C 35/0277
. .
{
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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B29C 35/0288
. .
{
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)
}
B29C 35/0294
. . .
{
using tempering units for temperature control of moulds or cores
}
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B29C 35/04
. .
using liquids, gas or steam
B29C 35/041
. . .
{
using liquids
}
B29C 35/045
. . .
{
using gas or flames
}
B29C 35/049
. . .
{
using steam or damp
}
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B29C 35/06
. . .
for articles of indefinite length
B29C 35/065
. . . .
{
in long tubular vessels
}
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B29C 35/08
. .
by wave energy or particle radiation
{
(B29C 67/0051, B29C 71/04 take precedence)
}
B29C 35/0805
. . .
{
using electromagnetic radiation
}
B29C 35/0866
. . .
{
using particle radiation
}
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B29C 35/0888
. . .
{
using transparant moulds
}
B29C 35/0894
. . . .
{
provided with masks or diaphragms
}
B29C 35/10
. . .
for articles of indefinite length
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B29C 35/12
. .
Dielectric heating
B29C 35/14
. . .
for articles of indefinite length
B29C 35/16
.
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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B29C 37/00
Component parts, details, accessories or auxiliary operations, not covered by group B29C 33/00 or B29C 35/00
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B29C 37/0003
.
{
Discharging moulded articles from the mould (constructions for removing the articles B29C 33/44)
}
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B29C 37/0007
. .
{
using means operable from outside the mould for moving between mould parts, e.g. robots
}
B29C 37/001
. . .
{
combined with means for loading preforms to be moulded or inserts, e.g. preformed layers
}
B29C 37/0014
. .
{
by flexibly or permanently deforming undercut portions of the articles
}
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B29C 37/0017
. .
{
by stripping articles from mould cores
}
B29C 37/0021
. . .
{
and using a rotating movement to unscrew articles (in particular used in injection moulding B29C 45/178)
}
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B29C 37/0025
.
{
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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B29C 37/0028
. .
{
In-mould coating, e.g. by introducing the coating material into the mould after forming the article
}
B29C 37/0032
. . .
{
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)
}
B29C 37/005
.
{
Compensating volume or shape change during moulding, in general
}
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B29C 37/0053
.
{
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)
}
B29C 37/0057
. .
{
Moulding single grooves or ribs, e.g. tear lines (folding lines B29C 53/06)
}
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B29C 37/006
.
{
Degassing moulding material or draining off gas during moulding (venting means in moulds B29C 33/10)
}
B29C 37/0064
. .
{
of reinforced material
}
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B29C 37/0067
.
{
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)
}
B29C 37/0071
. .
{
Dusting machines
}
B29C 37/0075
. .
{
using release sheets
}
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B29C 37/0078
.
{
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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B29C 37/0082
. .
{
Mechanical anchoring (B29C 66/303 takes precedence)
}
B29C 37/0085
. . .
{
by means of openings in the layers (joining through openings B29C 66/304)
}
B29C 37/0089
.
{
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
}
B29C 37/0092
.
{
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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B29C 37/02
.
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.

Collapse
Guide Heading:
Particular shaping techniques, e.g. moulding, joining; Apparatus therefor
Collapse
B29C 39/00
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)
Collapse
B29C 39/003
.
{
characterised by the choice of material
}
NOTE
-

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
Collapse
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, 39/12B2 takes precedence)
}
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B29C 39/12
. .
Making multilayered or multicoloured articles
{
(B29C 39/021 takes precedence)
}
Collapse
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)
}
Collapse
B29C 39/14
.
for making articles of indefinite length
{
(by depositing material on a substrate and stripping off the shaped article B29C 41/24)
}
Collapse
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)
}
Collapse
B29C 39/20
. .
Making multilayered or multicoloured articles
{
(B29C 39/142 takes precedence)
}
Collapse
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
B29C 41/00
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
-

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
B29C 43/00
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)
B29C 43/003
.
{
characterised by the choice of material
}
NOTE
-

B29C 43/006
.
{
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)
}
B29C 43/021
. .
{
characterised by the shape of the surface
}
B29C 43/027
. .
{
having an axis of symmetry (B29C 43/102 takes precedence)
}
Collapse
B29C 43/04
. .
using movable moulds
Collapse
B29C 43/06
. . .
continuously movable
{
in one direction, e.g. mounted on chains, belts
}
Collapse
B29C 43/08
. . . .
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
B29C 43/10
. .
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
}
B29C 43/12
. . .
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
B29C 43/22
.
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
B29C 43/24
. .
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
B29C 43/32
.
Component parts, details or accessories; Auxiliary operations
B29C 43/34
. .
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
B29C 43/42
. . .
for undercut articles
Collapse
B29C 43/44
. .
Compression means for making articles of indefinite length
B29C 43/46
. . .
Rollers
B29C 43/48
. . .
Endless belts
B29C 43/50
. .
Removing moulded articles
B29C 43/52
. .
Heating or cooling
B29C 43/54
. .
Compensating volume change, e.g. retraction
B29C 43/56
. .
Compression moulding under special conditions, e.g. vacuum
B29C 43/58
. .
Measuring, controlling or regulating
{
(for bank adjustment in calendering B29C 43/245)
}
Collapse
B29C 44/00
Shaping by internal pressure generated in the material, e.g. swelling, foaming;
{
Producing porous or cellular expanded plastics articles
}
WARNING
-
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
B29C 44/04
. .
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
B29C 44/182
. . . .
{
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
}
B29C 44/188
. . . .
{
Sealing off parts of the cavities
}
Collapse
B29C 44/20
.
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
B29C 44/3415
. .
{
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 B29B7; 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
B29C 44/3461
. .
{
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
}
B29C 44/445
. . . . .
{
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
B29C 44/56
. .
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
}
B29C 44/569
. . .
{
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
}
B29C 44/588
. . .
{
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
B29C 45/00
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)
B29C 45/0001
.
{
characterised by the choice of material
}
NOTE
-

B29C 45/0003
.
{
of successively moulded portions rigidly joined to each other
}
B29C 45/0005
.
{
using fibre reinforcements
}
B29C 45/0013
.
{
using fillers dispersed in the moulding material, e.g. metal particles
}
B29C 45/0017
.
{
moulding interconnected elements which are movable with respect to one another, e.g. chains or hinges
}
B29C 45/0025
.
{
Preventing defects on the moulded article, e.g. weld lines, shrinkage marks (preventing defects on the preformed parts or layers B29C 45/14836)
}
B29C 45/0046
.
{
Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
}
Collapse
B29C 45/0053
.
{
combined with a final operation, e.g. shaping (injection-compression moulding B29C 45/561)
}
B29C 45/0055
. .
{
Shaping
}
Collapse
B29C 45/006
. .
{
Joining parts moulded in separate cavities
}
B29C 45/0062
. . .
{
Joined by injection moulding
}
B29C 45/0081
.
{
of objects with parts connected by a thin section, e.g. hinge, tear line
}
B29C 45/0082
.
{
Reciprocating the moulding material inside the mould cavity, e.g. push-pull injection moulding
}
B29C 45/0084
.
{
General arrangement or lay-out of plants (B29C 45/1468 takes precedence)
}
Collapse
B29C 45/02
.
Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
B29C 45/021
. .
{
Plunger drives; Pressure equalizing means for a plurality of transfer plungers
}
Collapse
B29C 45/03
.
Injection moulding apparatus (transfer moulding B29C 45/02)
B29C 45/036
. .
{
Injection pistols
}
Collapse
B29C 45/04
. .
using movable moulds
{
or mould halves
}
(B29C 45/08 takes precedence)
Collapse
B29C 45/0408
. . .
{
involving at least a linear movement (B29C 45/0433 takes precedence)
}
B29C 45/0416
. . . .
{
co-operating with fixed mould halves
}
B29C 45/0433
. . .
{
mounted on a conveyor belt or chain
}
Collapse
B29C 45/0441
. . .
{
involving a rotational movement (B29C 45/06 takes precedence)
}
B29C 45/045
. . . .
{
mounted on the circumference of a rotating support having a rotating axis perpendicular to the mould opening, closing or clamping direction
}
Collapse
B29C 45/06
. . .
{
mounted
}
 on a turntable
{
i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
}
B29C 45/062
. . . .
{
carrying mould halves co-operating with fixed mould halves
}
Collapse
B29C 45/07
. .
using movable injection units
B29C 45/076
. . .
{
cooperating with two or more moulds
}
B29C 45/08
. . .
moving with the mould during the injection operation
B29C 45/10
. .
using moulds or injection units usable in different arrangements or combinations to each other
Collapse
B29C 45/12
. .
using two or more fixed moulds, e.g. in tandem
{
(B29C 45/076 takes precedence)
}
B29C 45/125
. . .
{
using a material distributing system
}
B29C 45/13
. .
using two or more injection units co-operating with a single mould
Collapse
B29C 45/14
.
incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
{
(B29C 45/1671 takes precedence)
}
Collapse
B29C 45/14008
. .
{
Inserting articles into the mould (B29C 45/14827 takes precedence)
}
Collapse
B29C 45/14016
. . .
{
Intermittently feeding endless articles, e.g. transfer films, to the mould (B29C 45/14262 takes precedence)
}
B29C 45/14024
. . . .
{
and punching or cutting a portion from the endless articles during mould closing
}
B29C 45/14032
. . .
{
Transferring the inserts from a storage space inside the mould to the mould cavity
}
Collapse
B29C 45/14065
. .
{
Positioning or centering articles in the mould
}
B29C 45/14073
. . .
{
using means being retractable during injection
}
Collapse
B29C 45/1418
. .
{
the inserts being deformed or preformed, e.g. by the injection pressure
}
B29C 45/14196
. . .
{
the inserts being positioned around an edge of the injected part
}
B29C 45/14221
. . .
{
by tools, e.g. cutting means
}
B29C 45/14262
. . .
{
Clamping or tensioning means for the insert
}
B29C 45/14311
. .
{
using means for bonding the coating to the articles (B29C 45/14795 takes precedence)
}
Collapse
B29C 45/14336
. .
{
Coating a portion of the article, e.g. the edge of the article (B29C 45/14573 and B29C 45/14598 take precedence)
}
B29C 45/14344
. . .
{
Moulding in or through a hole in the article, e.g. outsert moulding
}
B29C 45/14377
. . .
{
using an additional insert, e.g. a fastening element
}
B29C 45/14385
. . .
{
Coating a portion of a bundle of inserts, e.g. making brushes
}
B29C 45/14409
. . .
{
Coating profiles or strips by injecting end or corner or intermediate parts
}
B29C 45/14418
. . .
{
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
}
B29C 45/14434
. . .
{
Coating brittle material, e.g. glass (B29C 45/14377, B29C 45/14418 take precedence)
}
Collapse
B29C 45/14467
. .
{
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)
}
B29C 45/14475
. . .
{
Joining juxtaposed parts of a single article, e.g. edges of a folded container blank
}
B29C 45/14491
. . .
{
Injecting material between coaxial articles, e.g. between a core and an outside sleeve for making a roll
}
B29C 45/14508
. . .
{
Joining juxtaposed sheet-like articles, e.g. for making trim panels
}
Collapse
B29C 45/14549
. .
{
Coating rod-like, wire-like or belt-like articles (B29C 45/14426 takes precedence)
}
Collapse
B29C 45/14565
. . .
{
at spaced locations, e.g. coaxial-cable wires
}
B29C 45/14573
. . . .
{
Coating the edge of the article, e.g. for slide-fasteners
}
B29C 45/14581
. . . .
{
Coating the cross-over points of articles in the form of a network
}
B29C 45/1459
. .
{
Coating annular articles
}
Collapse
B29C 45/14598
. .
{
Coating tubular articles
}
B29C 45/14614
. . .
{
Joining tubular articles
}
B29C 45/14622
. . .
{
Lining the inner or outer surface of tubular articles
}
B29C 45/14631
. .
{
Coating reinforcements (fibre reinforcements B29C 45/0005)
}
Collapse
B29C 45/14639
. .
{
for obtaining an insulating effect, e.g. for electrical components
}
B29C 45/14647
. . .
{
Making flat card-like articles with an incorporated IC or chip module, e.g. IC or chip cards
}
Collapse
B29C 45/14655
. . .
{
connected to or mounted on a carrier, e.g. lead frame
}
B29C 45/1468
. . . .
{
Plants therefor
}
B29C 45/14688
. .
{
Coating articles provided with a decoration
}
B29C 45/14754
. .
{
being in movable or releasable engagement with the coating, e.g. bearing assemblies
}
Collapse
B29C 45/14778
. .
{
the article consisting of a material with particular properties, e.g. porous, brittle
}
B29C 45/14786
. . .
{
Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
}
B29C 45/14795
. . .
{
Porous or permeable material, e.g. foam
}
B29C 45/14811
. . .
{
Multilayered articles (B29C 45/14827 takes precedence)
}
B29C 45/14819
. .
{
the inserts being completely encapsulated
}
B29C 45/14827
. .
{
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
B29C 45/16
.
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
B29C 45/1615
. .
{
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
}
B29C 45/1634
. .
{
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
}
B29C 45/1639
. . .
{
Removable partitions between adjacent mould cavity portions
}
B29C 45/164
. .
{
The moulding materials being injected simultaneously
}
Collapse
B29C 45/1642
. .
{
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
}
B29C 45/1646
. . .
{
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)
}
B29C 45/1671
. .
{
with an insert
}
B29C 45/1675
. .
{
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)
}
B29C 45/1684
. .
{
Injecting parison-like articles (B29C 45/1625, B29C 45/1643 and B29C 45/1646 take precedence)
}
Collapse
B29C 45/17
.
Component parts, details or accessories; Auxiliary operations
B29C 45/1701
. .
{
using a particular environment during moulding, e.g. moisture-free or dust-free
}
Collapse
B29C 45/1703
. .
{
Introducing an auxiliary fluid into the mould (B29C 45/1701 takes precedence)
}
Collapse
B29C 45/1704
. . .
{
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
}
B29C 45/1706
. . . .
{
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
}
B29C 45/1735
. . . .
{
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)
}
B29C 45/174
. . .
{
Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks
}
Collapse
B29C 45/1742
. .
{
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
}
B29C 45/1744
. . .
{
Mould support platens
}
B29C 45/1747
. .
{
Tie-rod connections
}
B29C 45/1748
. .
{
Retractable tie-rods
}
B29C 45/1751
. .
{
Adjustment means allowing the use of moulds of different thicknesses
}
Collapse
B29C 45/1753
. .
{
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
}
B29C 45/1756
. .
{
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
}
B29C 45/176
. .
{
Exchanging the injection unit or parts thereof
}
B29C 45/1761
. .
{
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
B29C 45/1769
. .
{
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)
}
B29C 45/1774
. .
{
Display units or mountings therefor; Switch cabinets
}
B29C 45/1775
. .
{
Connecting parts, e.g. injection screws, ejectors, to drive means
}
B29C 45/1777
. .
{
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
B29C 45/18
. .
Feeding the material into the injection moulding apparatus,
{
i.e. feeding the non-plastified material into the injection unit
}
B29C 45/1808
. . .
{
Feeding measured doses
}
B29C 45/1816
. . .
{
Feeding auxiliary material, e.g. colouring material
}
B29C 45/1858
. . .
{
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
B29C 45/20
. .
Injection nozzles
{
(B29C 45/1603 takes precedence)
}
B29C 45/22
. . .
Multiple nozzle systems
Collapse
B29C 45/23
. . .
Feed stopping equipment
B29C 45/231
. . . .
{
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)
}
B29C 45/24
. . .
Cleaning equipment
Collapse
B29C 45/26
. .
Moulds
Collapse
B29C 45/2602
. . .
{
Mould construction elements
}
B29C 45/2606
. . . .
{
Guiding or centering means
}
B29C 45/2608
. . .
{
Mould seals
}
Collapse
B29C 45/261
. . .
{
having tubular mould cavities
}
B29C 45/2612
. . . .
{
for manufacturing tubular articles with an annular groove
}
B29C 45/2614
. . . .
{
for manufacturing bent tubular articles using an undercut forming mould core
}
B29C 45/2616
. . .
{
having annular mould cavities
}
Collapse
B29C 45/2618
. . .
{
having screw-threaded mould walls
}
B29C 45/262
. . . .
{
provided with unscrewing drive means (unscrewing means outside the mould B29C 45/178)
}
B29C 45/2622
. . . .
{
for moulding interrupted screw threads
}
B29C 45/2624
. . .
{
provided with a multiplicity of wall-like cavities connected to a common cavity, e.g. for battery cases
}
B29C 45/2626
. . .
{
provided with a multiplicity of narrow cavities connected to a common cavity, e.g. for brushes, combs
}
B29C 45/2628
. . .
{
with mould parts forming holes in or through the moulded article, e.g. for bearing cages
}
Collapse
B29C 45/263
. . .
{
with mould wall parts provided with fine grooves or impressions, e.g. for record discs
}
B29C 45/2632
. . . .
{
Stampers; Mountings thereof
}
B29C 45/2642
. . . .
{
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
B29C 45/2673
. . .
{
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
B29C 45/27
. . .
Sprue channels
{
Runner channels or runner nozzles
}
Collapse
B29C 45/2701
. . . .
{
Details not specific to hot or cold runner channels (B29C 45/2725 takes precedence)
}
Collapse
B29C 45/2703
. . . . .
{
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
B29C 45/2708
. . . . .
{
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
}
B29C 45/2735
. . . .
{
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
B29C 45/2806
. . . . .
{
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
B29C 45/32
. . .
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
B29C 45/34
. . .
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
B29C 45/37
. . .
Mould cavity walls,
{
i.e. the inner surface forming the mould cavity, e.g. linings
}
Collapse
B29C 45/372
. . . .
{
provided with means for marking or patterning, e.g. numbering articles
}
B29C 45/374
. . . . .
{
for displaying altering indicia, e.g. data, numbers
}
B29C 45/376
. . . .
{
adjustable (B29C 45/374 takes precedence)
}
Collapse
B29C 45/38
. .
Cutting-off equipment for sprues or ingates
B29C 45/382
. . .
{
disposed outside the mould
}
Collapse
B29C 45/40
. .
Removing or ejecting moulded articles
Collapse
B29C 45/4005
. . .
{
Ejector constructions; Ejector operating mechanisms (B29C 45/44 takes precedence)
}
B29C 45/401
. . . .
{
Ejector pin constructions or mountings
}
Collapse
B29C 45/42
. . .
using means movable from outside the mould between mould parts,
{
e.g. robots
}
B29C 45/4208
. . . .
{
and driven by the movable mould part
}
B29C 45/4225
. . . .
{
Take-off members or carriers for the moulded articles, e.g. grippers
}
Collapse
B29C 45/43
. . .
using fluid under pressure
B29C 45/435
. . . .
{
introduced between a mould core and a hollow resilient undercut article, e.g. bellows
}
Collapse
B29C 45/44
. . .
for undercut articles
B29C 45/4407
. . . .
{
by flexible movement of undercut portions of the articles
}
B29C 45/4421
. . . .
{
using expansible or collapsible cores
}
B29C 45/4435
. . . .
{
using inclined, tiltable or flexible undercut forming elements driven by the ejector means
}
B29C 45/4457
. . . .
{
using fusible, soluble or destructible cores
}
B29C 45/4471
. . . .
{
using flexible or pivotable undercut forming elements (B29C 45/4435 takes precedence)
}
B29C 45/4478
. . . .
{
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
B29C 45/462
. . .
{
Injection of preformed charges of material
}
B29C 45/463
. . . .
{
using packaged or wrapped charges
}
B29C 45/464
. . .
{
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
B29C 45/5008
. . . . .
{
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)
}
B29C 45/5605
. . . .
{
Rotatable mould parts
}
B29C 45/561
. . . .
{
Injection-compression moulding
}
B29C 45/5675
. . . .
{
for making orifices in or through the moulded article
}
B29C 45/568
. . . .
{
Applying vibrations to the mould parts
}
Collapse
B29C 45/57
. . .
Exerting after-pressure on the moulding material
{
(B29C 45/174 takes precedence)
}
B29C 45/572
. . . .
{
using movable mould wall or runner parts
}
Collapse
B29C 45/58
. . .
Details
B29C 45/581
. . . .
{
Devices for influencing the material flow, e.g. "torpedo constructions" or mixing devices
}
B29C 45/585
. . . .
{
Vibration means for the injection unit or parts thereof
}
B29C 45/586
. . . .
{
Injection or transfer plungers
}
B29C 45/60
. . . .
Screws
B29C 45/62
. . . .
Barrels or cylinders
B29C 45/63
. . . .
Venting or degassing means
Collapse
B29C 45/64
. .
Mould opening, closing or clamping devices
{
(combined with means for plasticising or homogenising B29C 45/70)
}
B29C 45/641
. . .
{
Clamping devices using means for straddling or interconnecting the mould halves, e.g. jaws, straps, latches
}
Collapse
B29C 45/66
. . .
mechanical
B29C 45/661
. . . .
{
using a toggle mechanism for mould clamping
}
Collapse
B29C 45/67
. . .
hydraulic
Collapse
B29C 45/6707
. . . .
{
without relative movement between the piston and the cylinder of the clamping device during the mould opening or closing movement
}
Collapse
B29C 45/6714
. . . . .
{
using a separate element transmitting the mould clamping force from the clamping cylinder to the mould
}
B29C 45/6721
. . . . . .
{
the separate element being displaceable with respect to the mould or the clamping cylinder
}
B29C 45/6728
. . . . . .
{
the separate element consisting of coupling rods
}
Collapse
B29C 45/6764
. . . .
{
using hydraulically connectable chambers of the clamping cylinder during the mould opening and closing movement
}
B29C 45/6771
. . . . .
{
the connection being provided within the clamping cylinder
}
B29C 45/6778
. . . .
{
Stroke adjusting or limiting means
}
Collapse
B29C 45/68
. . .
hydro-mechanical
B29C 45/681
. . . .
{
using a toggle mechanism as mould clamping device
}
B29C 45/683
. . . .
{
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
B29C 45/72
. .
Heating or cooling
B29C 45/7207
. . .
{
of the moulded articles
}
Collapse
B29C 45/73
. . .
of the mould
{
(B29C 45/2642 and B29C 45/2737 take precedence)
}
B29C 45/7306
. . . .
{
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)
}
B29C 45/74
. . .
of the injection unit
Collapse
B29C 45/76
. .
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
}
B29C 45/7626
. . .
{
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)
}
B29C 45/7686
. . .
{
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
B29C 45/82
. . .
Hydraulic
{
or pneumatic
}
 circuits
B29C 45/83
. .
Lubricating means
Collapse
B29C 45/84
. .
Safety devices
{
(B29C 45/7626 takes precedence)
}
B29C 45/842
. . .
{
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
B29C 47/00
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)
B29C 47/0002
.
{
Small extruders, e.g. handheld extruders or laboratory extruders
}
Collapse
B29C 47/0004
.
{
characterised by the choice of material
}
NOTE
-

B29C 47/0007
. .
{
Extruding materials comprising incompatible ingredients
}
Collapse
B29C 47/0009
.
{
characterised by the shape of the articles
}
B29C 47/0011
. .
{
Particle-shaped (making granules B29B 9/00)
}
B29C 47/0014
. .
{
Filamentary-shaped articles, e.g. strands (making granules in the form of filamentary material B29B 9/06)
}
B29C 47/0016
. .
{
Rod-shaped articles
}
B29C 47/0019
. .
{
Flat rigid articles, e.g. panels, plates
}
B29C 47/0021
. .
{
Flat flexible articles, e.g. sheets, foils or films
}
B29C 47/0023
. .
{
Hollow rigid articles having only one tubular passage
}
B29C 47/0026
. .
{
Hollow flexible articles, e.g. blown foils or films
}
B29C 47/0028
. .
{
Multi-passage hollow articles, e.g. having at least two holes, e.g. honeycomb articles
}
B29C 47/003
. .
{
Articles having cross-sectional irregularities, i.e. being non-flat or having cylindrical cross-sections perpendicular to the extrusion direction
}
B29C 47/0033
. .
{
Articles having longitudinal irregularities, i.e. the cross-section being non- constant in the extrusion direction
}
B29C 47/0035
. .
{
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)
}
B29C 47/0047
. . .
{
producing flat articles having components brought in contact outside the extrusion die
}
Collapse
B29C 47/005
. . .
{
producing hollow articles having components brought in contact outside the extrusion die
}
B29C 47/0052
. . . .
{
using a plurality of extrusion dies
}
B29C 47/0054
. .
{
Extrusion moulding combined with blow-moulding or thermoforming (blow-moulding in general B29C 49/00; thermoforming in general B29C 51/00)
}
B29C 47/0057
. .
{
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)
}
B29C 47/0059
. .
{
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)
}
B29C 47/0066
. .
{
Extrusion moulding combined with cutting
}
B29C 47/0069
. .
{
Extrusion moulding combined with printing or marking
}
Collapse
B29C 47/0071
.
{
extruding under particular conditions, e.g. in particular environments or using vacuum or vibrations
}
B29C 47/0073
. .
{
extruding in a clean room
}
B29C 47/0076
. .
{
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
B29C 47/02
.
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
B29C 47/043
. .
{
Coloured articles
}
B29C 47/046
. . .
{
comprising a multi-coloured single component, e.g. striated, marbled or wood-like patterned
}
Collapse
B29C 47/06
. .
Multilayered articles [N: or multi-component articles
B29C 47/061
. . .
{
comprising six or more components, i.e. each component being counted once for each time it is present, e.g. in a layer
}
Collapse
B29C 47/062
. . .
{
with components adjacent to each other, i.e. components merging at their short sides
}
B29C 47/064
. . . .
{
in the form of a thin strip, e.g. in the form of a helical pattern or mark lines
}
B29C 47/065
. . .
{
with components in layered configuration, i.e. components merging at their long sides
}
B29C 47/067
. . .
{
using means for adhering the layers or components, e.g. using tie layers, irregularities or undercuts
}
B29C 47/068
. . .
{
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
B29C 47/0801
. .
{
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
}
B29C 47/0806
. . .
{
Drive or actuation means for non-plasticising purposes, e.g. dosing unit
}
Collapse
B29C 47/0808
. .
{
Sealing means
}
B29C 47/081
. . .
{
for filters
}
Collapse
B29C 47/0811
. .
{
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
B29C 47/0818
. .
{
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
}
B29C 47/0825
. . .
{
Screw parts
}
B29C 47/0827
. . .
{
Barrel parts
}
B29C 47/0828
. . .
{
Die parts
}
B29C 47/083
. . .
{
Hopper or feeder parts
}
Collapse
B29C 47/0832
. . .
{
Inserts
}
B29C 47/0833
. . . .
{
for screws
}
B29C 47/0835
. . . .
{
for barrels
}
B29C 47/0837
. . . .
{
for dies
}
Collapse
B29C 47/0838
. .
{
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
B29C 47/0842
. .
{
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
B29C 47/085
. . .
{
Dies
}
B29C 47/0852
. . . .
{
Material therefor, e.g. coating or lining
}
Collapse
B29C 47/0854
. .
{
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
}
B29C 47/0862
. . .
{
by modelling of mechanical strength
}
B29C 47/0864
. .
{
Machine bases, support structures or frames
}
Collapse
B29C 47/0866
. .
{
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)
}
B29C 47/0871
. .
{
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
}
B29C 47/0876
. . .
{
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
B29C 47/10
. .
Feeding the material to the extruder
B29C 47/1009
. . .
Raw material dosing
B29C 47/1018
. . .
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
B29C 47/1027
. . .
{
in solid form, e.g. powder or granules
}
B29C 47/1036
. . . .
{
of preformed parts, e.g. inserts that are fed and transported generally uninfluenced through the extruder or fed directly to the die
}
B29C 47/1045
. . . .
{
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
}
B29C 47/1063
. . .
{
in liquid form
}
B29C 47/1072
. . .
{
in gaseous form
}
B29C 47/1081
. . .
{
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
}
B29C 47/124
. . .
{
being adjustable, i.e. having adjustable exit sections
}
B29C 47/126
. . .
{
using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support (B29C 47/32 takes precedence)
}
B29C 47/128
. . .
{
specially adapted for bringing together components, e.g. melts within the die
}
Collapse
B29C 47/14
. . .
with broad opening, e.g. for sheets
B29C 47/145
. . . .
{
specially adapted for bringing together components, e.g. melts within the die
}
Collapse
B29C 47/16
. . . .
{
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
B29C 47/22
. . . .
{
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
B29C 47/26
. . . .
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
}
B29C 47/28
. . . .
Cross-head annular extrusion nozzles
B29C 47/30
. . .
Multi-port extrusion nozzles
{
(for making granules in the form of filamentary material B29B 9/06)
}
B29C 47/32
. . .
Roller-extrusion nozzles
B29C 47/34
. .
Conveyers for extruded material
{
(B29C 47/0898 takes precedence)
}
Collapse
B29C 47/36
. .
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
}
B29C 47/364
. . .
{
using gear pumps
}
Collapse
B29C 47/365
. . .
{
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
}
B29C 47/367
. . . .
{
using a screw extruder and a gear pump
}
B29C 47/368
. . . .
{
using a screw extruder and a ram or piston
}
B29C 47/369
. . . .
{
Partial multi-stage
}
Collapse
B29C 47/38
. . .
using screws
{
surrounded by a cooperating barrel
}
B29C 47/385
. . . .
{
using a single screw
}
Collapse
B29C 47/40
. . . .
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
}
B29C 47/406
. . . . .
{
using non-identical or non-mirrored screws
}
B29C 47/408
. . . . .
{
using more than two screws (B29C 47/42 takes precedence)
}
B29C 47/42
. . . . .
using sub-screws, e.g. planetary screws
B29C 47/44
. . . .
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
B29C 47/50
. . . .
using at least two screws
{
in the same barrel
}
, one after the other, e.g. multi stage plasticisers
Collapse
B29C 47/52
. . .
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
}
B29C 47/54
. . .
using press rams or pistons
{
or accumulators
}
B29C 47/56
. . .
using more than one extruder to feed one die
Collapse
B29C 47/58
. . .
Details
B29C 47/585
. . . .
{
Extruder feed section
}
Collapse
B29C 47/60
. . . .
Screws [N: (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
}
B29C 47/6075
. . . . .
{
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
}
B29C 47/6087
. . . . .
{
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
B29C 47/66
. . . .
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
B29C 47/665
. . . . .
{
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
B29C 47/68
. . . .
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
B29C 47/70
. . . .
Flow dividers
Collapse
B29C 47/702
. . . . .
{
comprising means for dividing, distributing and recombining melt flows
}
B29C 47/705
. . . . . .
{
in the die zone, e.g. to create flow homogeneity
}
B29C 47/707
. . . . . .
{
component or layer multiplying
}
Collapse
B29C 47/72
. . . .
Feed-back means
B29C 47/725
. . . . .
{
for plasticising or homogenising devices
}
Collapse
B29C 47/74
. . . .
By-pass means
B29C 47/745
. . . . .
{
for plasticising or homogenising devices
}
Collapse
B29C 47/76
. . . .
Venting,
{
drying
}
 or degassing means
B29C 47/761
. . . . .
{
the vented material being in liquid form
}
B29C 47/762
. . . . .
{
Vapour stripping
}
B29C 47/763
. . . . .
{
Vent constructions, e.g. venting means avoiding melt escape
}
Collapse
B29C 47/765
. . . . .
{
in the extruder apparatus
}
Collapse
B29C 47/766
. . . . . .
{
in screw extruders
}
B29C 47/767
. . . . . . .
[N: through a degassing opening of a barrel
B29C 47/768
. . . . .
{
outside the apparatus, e.g. after the die
}
Collapse
B29C 47/78
. .
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
B29C 47/88
. . .
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
}
B29C 47/8845
. . . . . .
{
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
}
B29C 47/8895
. . . .
{
using a bath, e.g. extruding into an open bath to coagulate or cool the material
}
Collapse
B29C 47/90
. . . .
with calibration or sizing
Collapse
B29C 47/901
. . . . .
{
of hollow bodies
}
B29C 47/902
. . . . . .
{
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
}
B29C 47/92
. .
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

B29C 47/94
. .
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
}

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Last Modified: 11/26/2012 5:18:16 PM