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CPC
COOPERATIVE PATENT CLASSIFICATION
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B28B
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER ( foundry moulding B22C; working stone or stone-like material B28D; shaping of substances in a plastic state, in general B29C; making layered products not composed wholly of these substances B32B; shaping in situ, see the relevant classes of section E )
NOTE
-
In this subclass, the following term is used with the meaning indicated:
- "the material" means: a. clay or other ceramic compositions; b. slag; c. mixtures with water-setting properties given by clay, cementitious material, or slag.

WARNING
-
The following IPC group(s) are not used in the CPC scheme. Subject matter covered by these groups is classified in the following groups:
B28B23/08 covered by B28B 21/60 , B28B 23/06

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B28B 1/00
Producing shaped
{
prefabricated
}
 articles from the material ( using presses B28B 3/00 ; shaping on moving conveyers B28B 5/00 ; producing tubular articles B28B 21/00 ;
{
producing articles with embedded elements B28B 23/00
}
 )
B28B 1/001
.
{
Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material ( selective deposition modelling of metallic powder B22F 3/008 ; rapid manufacturing of 3D objects in general and in particular of plastics B29C 67/0051 )
}
B28B 1/002
.
{
assembled from preformed elements
}
B28B 1/004
.
{
Devices for shaping artificial aggregates from ceramic mixtures or from mixtures containing hydraulic binder ( from slag C04B 5/00 ; composition of artificial aggregates C04B 18/02 )
}
B28B 1/005
.
{
Devices or processes for obtaining articles having a marble appearance ( producing decorative effects B44C ; design of stone surfaces, e.g. marble, B44F 9/04 )
}
B28B 1/007
.
{
by freezing the material
}
B28B 1/008
.
{
made from two or more materials having different characteristics or properties ( casting for producing layered articles B28B 1/16 ; feeding several succesive layers, optionally of different materials B28B 13/022 ; coating B28B 11/04 ; applying material to surfaces to form a permanent layer thereon B28B 19/00 )
}
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B28B 1/02
.
by turning or jiggering
{
in moulds or moulding surfaces on rotatable supports
}
B28B 1/025
. .
{
Potters wheels
}
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B28B 1/04
.
by tamping or ramming ( followed by pressing B28B 3/02 )
B28B 1/045
. .
{
combined with vibrating or jolting
}
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B28B 1/08
.
by vibrating or jolting
{
( of moulding sand B22C 15/10 ; of concrete in general E04G 21/063 )
}
B28B 1/081
. .
{
Vibration-absorbing means
}
B28B 1/082
. .
{
combined with a vacuum, e.g. for moisture extraction ( in general E04G 21/061 )
}
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B28B 1/084
. .
{
the vibrating moulds or cores being moved horizontally for making strands of moulded articles
}
B28B 1/085
. . .
{
Introducing non-longitudinal reinforcing elements, e.g. spirally shaped
}
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B28B 1/087
. .
by means acting on the mould;
{
Fixation thereof to the mould
}
B28B 1/0873
. . .
{
the mould being placed on vibrating or jolting supports, e.g. moulding tables
}
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B28B 1/093
. .
by means directly acting on the material, e.g. by cores wholly or partly immersed in the material
{
or elements acting on the upper surface of the material
}
 (
{
B28B 1/084 takes precedence;
}
 internal vibrators for compacting concrete in situ E04G 21/08 )
B28B 1/0935
. . .
{
using only elements wholly or partly immersed in the material, e.g. cores
}
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B28B 1/10
. .
and applying pressure otherwise than by the use of presses
B28B 1/105
. . .
{
this load also being actively vibrated or jolted
}
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B28B 1/14
.
by simple casting, the material being neither forcibly fed nor positively compacted ( for molten material B28B 1/54 )
B28B 1/16
. .
for producing layered articles ( coating B28B 11/04 )
B28B 1/20
.
by centrifugal or rotational casting ( slip-casting involving rotation of the mould B28B 1/28 ; for molten material B28B 1/54 )
B28B 1/24
.
by injection moulding
{
( injection moulding of ceramic slips B28B 1/265 ; of tubular articles B28B 21/38 )
}
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B28B 1/26
.
by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould ; Moulds therefor ( B28B 1/52 takes precedence ) ;
{
specially for manufacturing articles starting from a ceramic slip; Moulds therefor ( of tubular articles B28B 21/08 )
}
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B28B 1/261
. .
{
Moulds therefor ( absorbent moulds in general B28B 7/344 )
}
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B28B 1/262
. . .
{
Mould materials; Manufacture of moulds or parts thereof
}
B28B 1/263
. . . .
{
Plastics
}
B28B 1/264
. . . .
{
Plaster
}
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B28B 1/265
. .
{
pressure being applied on the slip in the filled mould or on the moulded article in the mould, e.g. pneumatically, by compressing slip in a closed mould
}
B28B 1/266
. . .
{
Means for counteracting the pressure being applied on the slip or on the moulded article in the mould, e.g. means for clamping the moulds parts together in a frame-like structure ( fastening means, clamping means for mould parts in general B28B7/00B5 )
}
B28B 1/267
. .
{
in moulds or on moulding surfaces supported by, or formed in or by, conveyers
}
B28B 1/268
. .
{
by dipping moulding surfaces in the slip ( in general B28B 1/38 )
}
B28B 1/269
. .
{
by electrophoresis ( electrophoresis in general C25 )
}
B28B 1/28
. .
involving rotation of the mould
{
about a centrifugal axis
}
B28B 1/29
.
by profiling or strickling the material in open moulds or on moulding surfaces
{
( in rotary moulds B28B 1/02 ; by means of profiled rollers B28B 3/12 , B28B 3/123 )
}
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B28B 1/30
.
by applying the material on to a core or other moulding surface to form a layer thereon ( to form a permanent layer B28B 19/00 )
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B28B 1/32
. .
by projecting, e.g. spraying ( spraying in general B05B , D )
B28B 1/34
. . .
by centrifugal force
{
( centrifugally acting implements for applying plaster or the like to walls E04F 21/10 )
}
B28B 1/38
. .
by dipping ( in general B05C, D;
{
shaping from synthetic resin B29C 41/14
}
 )
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B28B 1/40
. .
by wrapping, e.g. winding
B28B 1/42
. . .
using mixtures containing fibres, e.g. for making sheets by slitting the wound layer
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B28B 1/44
.
by forcing cores into filled moulds for forming hollow articles
B28B 1/445
. .
{
Hollow punches or cores
}
B28B 1/48
.
by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring
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B28B 1/50
.
specially adapted for producing articles of expanded material, e.g. cellular concrete ( chemical aspects
{
or making expanded aggregate
}
 C04B )
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B28B 1/503
. .
{
Moulds therefor
}
B28B 1/506
. . .
{
with means for, or adapted for, cutting the moulded article into pieces ( in general B28B 7/14 )
}
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B28B 1/52
.
specially adapted for producing articles from mixtures containing fibres,
{
e.g. asbestos cement
}
 ( by wrapping on +o mandrels B28B 1/42 )
B28B 1/521
. .
{
from dry mixtures to which a setting agent is applied after forming ( B28B 1/526 , B28B 1/527 take precedence )
}
B28B 1/522
. .
{
for producing multi-layered articles ( B28B 1/526 , B28B 1/527 take precedence )
}
B28B 1/523
. .
{
containing metal fibres ( B28B 1/526 , B28B 1/527 take precedence )
}
B28B 1/525
. .
{
containing organic fibres, e.g. wood fibres ( B28B 1/526 , B28B 1/527 take precedence )
}
B28B 1/526
. .
{
by delivering the materials on a conveyer of the endless-belt type
}
B28B 1/527
. .
{
by delivering the materials on a rotating drum, e.g. a sieve drum, from which the materials are picked up by a felt
}
B28B 1/528
. .
{
for producing corrugated sheets ( B28B 1/526 , B28B 1/527 take precedence )
}
B28B 1/54
.
specially adapted for producing articles from molten material, e.g. slag
{
refractory ceramic materials
}
 ( chemical aspects C04B ;
{
from molten bituminous material B29C
}
 )
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B28B 3/00
Producing shaped articles from the material by using presses ( shaping on moving conveyers B28B 5/00 ) ; Presses specially adapted therefor ( presses in general B30B )
B28B 3/003
.
{
Pressing by means acting upon the material via flexible mould wall parts, e.g. by means of inflatable cores, isostatic presses ( isostatic presses in general B30B 5/02 )
}
B28B 3/006
.
{
Pressing by atmospheric pressure, as a result of vacuum generation or by gas or liquid pressure acting directly upon the material, e.g. jets of compressed air ( moulds for treating with gases or degassing B28B 7/44 ; compacting concrete by means of vacuum in general E04G 21/061 )
}
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B28B 3/02
.
wherein a ram exerts pressure on the material in a moulding space ; Ram heads of special form
B28B 3/021
. .
{
Ram heads of special form
}
B28B 3/022
. .
{
combined with vibrating or jolting
}
B28B 3/024
. .
{
the pressure on the material being transmitted through flexible or resilient wall parts, e.g. flexible cushions on the ramming surface, resilient wall parts pressing as a result of deformation caused by ram pressure
}
B28B 3/025
. .
{
Hot pressing, e.g. of ceramic materials
}
B28B 3/027
. .
{
using a bottom press ram actuated upwardly towards mould covers
}
B28B 3/028
. .
{
Centering the press head, e.g. using guiding pins or chamfered mould edges
}
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B28B 3/04
. .
with one ram per mould ( B28B 3/10 takes precedence )
B28B 3/06
. . .
with two or more ram and mould sets
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B28B 3/08
. .
with two or more rams per mould
B28B 3/083
. . .
{
The juxtaposed rams working in the same direction
}
B28B 3/086
. . .
{
The rams working in different directions
}
B28B 3/10
. .
each charge of material being compressed against previously formed body
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B28B 3/12
.
wherein one or more rollers exert pressure on the material
B28B 3/123
. .
{
on material in moulds or on moulding surfaces moving continuously underneath or between the rollers, e.g. on an endless belt
}
B28B 3/126
. .
{
on material passing directly between the co-operating rollers
}
B28B 3/14
. .
with co-operating pocketed rollers
B28B 3/16
. .
with co-operating profiled rollers
B28B 3/18
. .
Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
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B28B 3/20
.
wherein the material is extruded
{
( extrusion moulding of plastics B29C 47/00 )
}
B28B 3/201
. .
{
Means for heating or cooling the barrel
}
B28B 3/205
. .
{
using vibrations
}
B28B 3/206
. .
{
Forcing the material through screens or slots
}
B28B 3/208
. .
{
Exchangeable wear parts, e.g. liners
}
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B28B 3/22
. .
by screw or worm
B28B 3/222
. . .
{
Screw or worm constructions
}
B28B 3/224
. . .
{
Twin screw extruders, e.g. double shaft extruders
}
B28B 3/226
. . .
{
Means for heating or cooling the screw
}
B28B 3/228
. . .
{
Slipform casting extruder, e.g. self-propelled extruder
}
B28B 3/24
. .
by reciprocating plunger
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B28B 3/26
. .
Extrusion dies
B28B 3/2609
. . .
{
Containing rotating elements perpendicular to the axis of extrusion
}
B28B 3/2618
. . .
{
using lubricating means
}
B28B 3/2627
. . .
{
using means for making hollow objects with transverse walls, e.g. hollow objects closed on all sides
}
B28B 3/2636
. . .
{
using means for co-extruding different materials
}
B28B 3/2645
. . .
{
using means for inserting reinforcing members
}
B28B 3/2654
. . .
{
Means for heating or cooling the die
}
B28B 3/2663
. . .
{
Exchangeable wear parts, e.g. liners
}
B28B 3/2672
. . .
{
Means for adjusting the flow inside the die, e.g. using choke means
}
B28B 3/2681
. . .
{
Adjustable dies, e.g. for altering the shape of the product
}
B28B 3/269
. . .
{
For multi-channeled structures, e.g. honeycomb structures
}
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B28B 5/00
Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on coveyers irrespective of the manner of shaping ( shaping aspects see the relevant groups )
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B28B 5/02
.
on conveyers of the endless-belt or chain type ( in combination with pressing rollers B28B 3/12 )
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B28B 5/021
. .
{
the shaped articles being of definite length
}
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B28B 5/022
. . .
{
the moulds or the moulding surfaces being individual independant units and being discontinuously fed ( feeding B28B 13/0215 and sub-groups )
}
B28B 5/023
. . . .
{
Moulds mounted on an endless chain conveyer for making pottery ware
}
B28B 5/025
. . .
{
the moulds or the moulding surfaces being divided by separating walls and being continuously fed ( feeding B28B 13/02 )
}
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B28B 5/026
. .
{
the shaped articles being of indefinite length
}
B28B 5/027
. . .
{
the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed ( feeding B28B 13/02 )
}
B28B 5/028
. . .
{
the moulding surfaces being of definite length, e.g. succession of moving pallets, and being continuously fed ( feeding B28B 13/02 )
}
B28B 5/04
.
in moulds moved in succession past one or more shaping stations ( on turn-tables B28B 5/06 )
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B28B 5/06
.
in moulds on a turn-table
B28B 5/08
. .
intermittently rotated
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B28B 5/10
.
in moulds carried on the circumference of a rotating drum
B28B 5/12
. .
intermittently rotated
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B28B 7/00
Moulds ; Cores ; Mandrels ( specially adapted for the production of the tubular articles B28B 21/00 ;
{
for casting metals B22C 9/00 ; moulds for plastic materials in general B29C 33/00 ; falsework, forms or shutterings for forming buildings or parts thereof in situ E04G 9/00 to E04G 15/00
}
 )
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B28B 7/0002
.
{
Auxiliary parts or elements of the mould
}
B28B 7/0005
. .
{
Mould identification means, e.g. by radio frequency identification device [RFID]
}
B28B 7/0008
. .
{
Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding
}
B28B 7/0011
. .
{
Mould seals
}
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B28B 7/0014
. .
{
Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps ( clamping means specially adapted for counteracting a pressure being applied on a slip or on the moulded article in the mould B28B 1/266 )
}
B28B 7/0017
. . .
{
for attaching mould walls on mould tables
}
B28B 7/002
. . .
{
using magnets
}
B28B 7/0023
. . .
{
using vacuum
}
B28B 7/0026
. . .
{
using adhesive
}
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B28B 7/0029
.
{
Moulds or moulding surfaces not covered by B28B 7/0058 to B28B 7/36 and B28B 7/40 to B28B 7/465 , e.g. moulds assembled from several parts
}
B28B 7/0032
. .
{
Moulding tables or similar mainly horizontal moulding surfaces
}
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B28B 7/0035
. .
{
Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
}
B28B 7/0038
. . .
{
the sidewalls of mould and moulded article moving only past each other, e.g. box-shaped moulds which are lifted off from the moulding
}
B28B 7/0041
. . .
{
the sidewalls of the mould being moved only parallelly away from the sidewalls of the moulded article
}
B28B 7/0044
. . .
{
the sidewalls of the mould being only tilted away from the sidewalls of the moulded article, e.g. moulds with hingedly mounted sidewalls
}
B28B 7/0055
. .
{
Mould pallets; Mould panels
}
B28B 7/0058
.
{
Moulds, cores or mandrels with provisions concerning the elimination of superfluous material; Moulds with burr-removing means provided therein or carried thereby
}
B28B 7/0061
.
{
Moulds, cores or mandrels specially adapted for mechanically working moulding surfaces during moulding or demoulding, e.g. smoothing by means of mould walls driven during moulding or of parts acting during demoulding
}
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B28B 7/0064
.
{
Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces ( B28B 7/36 takes precedence; producing decorative effects B44C ; designs of stone surfaces B44F )
}
B28B 7/0067
. .
{
with polished or glossy moulding surfaces
}
B28B 7/007
. .
{
with moulding surfaces simulating natural effets, e.g. wood or stone
}
B28B 7/0073
. .
{
with moulding surfaces simulating assembled bricks or blocks with mortar joints ( B28B 7/007 takes precedence )
}
B28B 7/0076
. .
{
with surfaces for moulding letters or marks
}
B28B 7/0079
. .
{
with surfaces for moulding interlocking means, e.g. grooves and ribs
}
B28B 7/0082
. .
{
with surfaces for moulding parallel grooves or ribs ( B28B 7/0073 , B28B 7/0079 takes precedence )
}
B28B 7/0085
. .
{
with surfaces for moulding chamfers
}
B28B 7/0088
.
{
Moulds in which at least one surface of the moulded article serves as mould surface, e.g. moulding articles on or against a previously shaped article, between previously shaped articles
}
B28B 7/0091
.
{
Transformable moulds allowing the change of shape of an initial moulded preform by preform deformation or the change of its size by moulding on the preform
}
B28B 7/0094
.
{
Moulds for concrete test samples
}
B28B 7/0097
.
{
Press moulds; Press-mould and press-ram assemblies
}
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B28B 7/02
.
Moulds with adjustable parts
{
specially for modifying at will the dimensions or form of the moulded article
}
B28B 7/025
. .
{
the mould surface being made of or being supported by a plurality of small elements, e.g. to create double curvatures
}
B28B 7/04
. .
one or more of the parts being pivotally mounted
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B28B 7/06
.
Moulds with flexible parts
B28B 7/065
. .
{
Casting in sack or bag like moulds
}
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B28B 7/08
.
Moulds provided with means for tilting or inverting
B28B 7/082
. .
{
Tiltable moulding tables or similar moulding surfaces ( specially for casting and erecting walls or parts thereof during construction work E04G 11/32 )
}
B28B 7/085
. .
{
for making double wall panels
}
B28B 7/087
. .
{
using rocker or rolling means
}
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B28B 7/10
.
Moulds with means incorporated therein, or carried thereby, for ejecting
{
or detaching
}
 the moulded article (
{
flexible moulds bent open for ejecting B28B 7/06 ; ejecting by tilting or inverting the mould B28B 7/08 ;
}
 devices, not forming part of the mould, for ejecting the moulded article B28B 13/06 )
B28B 7/12
. .
by fluid pressure,
{
e.g. acting through flexible wall parts or linings of the moulds
}
B28B 7/14
.
Moulds with means incorporated therein, or carried thereby, for cutting the moulded article into parts (
{
for expanded material B28B 1/506 ;
}
 cutting means independent of the mould B28B 11/14 )
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B28B 7/16
.
Moulds for making shaped articles with cavities or holes open to the surface,
{
e.g. with blind holes
}
B28B 7/162
. .
{
for building blocks or similar block-shaped articles
}
B28B 7/164
. .
{
for plates, panels, or similar sheet- or disc-shaped articles
}
B28B 7/166
. .
{
for oblong articles, e.g. hollow masts
}
B28B 7/168
. .
{
for holders or similar hollow articles, e.g. vaults, sewer pits
}
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B28B 7/18
. .
the holes passing completely through the article
B28B 7/183
. . .
{
for building blocks or similar block-shaped objects
}
B28B 7/186
. . .
{
for plates, panels or similar sheet- or disc-shaped objects, also flat oblong moulded articles with lateral openings, e.g. panels with openings for doors or windows, grated girders
}
B28B 7/20
.
Moulds for making shaped articles with undercut recesses, e.g. dovetails
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B28B 7/22
.
Moulds for making units for prefabricated buildings
{
i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells ( for making rooms or entire buildings in situ E04G 11/02 )
}
 ; Moulds for making prefabricated stair units
B28B 7/225
. .
{
for making stairs or stair units comprising more than one step ( in situ E04G 13/06 )
}
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B28B 7/24
.
Unitary mould structures with a plurality of moulding spaces,
{
e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation ( assemblies of individually complete moulds B28B 7/26 )
}
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B28B 7/241
. .
{
Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces
}
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B28B 7/243
. . .
{
for making plates, panels or similar sheet- or disc-shaped objects
}
B28B 7/245
. . . .
{
using transportable mould batteries
}
B28B 7/246
. . .
{
for making oblong objects, e.g. girders
}
B28B 7/248
. . .
{
using angle-shaped mould parts, e.g. L-parts
}
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B28B 7/26
.
Assemblies of separate moulds
{
i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
}
B28B 7/263
. .
{
for making plates, panels or similar sheet- or disc-shaped objects
}
B28B 7/266
. .
{
for making oblong objects, e.g. girders
}
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B28B 7/28
.
Cores ; Mandrels
{
( B28B 1/44 takes precedence; of special materials in general B28B 7/34 ; cores for making blind holes in situ E04G 15/04 ; for making recesses E04G 15/06 )
}
B28B 7/285
. .
{
Core puller
}
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B28B 7/30
. .
adjustable, collapsible, or expanding
{
( for making tubular objects B28B 21/88 )
}
B28B 7/303
. . .
{
specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths
}
B28B 7/306
. . .
{
pliable or extensible
}
B28B 7/32
. . .
inflatable
{
( connection of valves to inflatable elastic bodies B60C 29/00 )
}
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B28B 7/34
.
Moulds, cores, or mandrels of special material, e.g. destructible materials ( for slip casting B28B 1/26 )
B28B 7/342
. .
{
which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not
}
B28B 7/344
. .
{
from absorbent or liquid- or gas-permeable materials, e.g. plaster moulds in general
}
B28B 7/346
. .
{
Manufacture of moulds
}
B28B 7/348
. .
{
of plastic material or rubber
}
Collapse
B28B 7/36
.
Linings or coatings,
{
e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
}
 ( lubricating surfaces of moulds, cores or mandrels B28B 7/38 )
B28B 7/362
. .
{
specially for making moulded articles from concrete with exposed aggregate
}
B28B 7/364
. .
{
of plastic material or rubber
}
B28B 7/366
. .
{
Replaceable lining plates for press mould
}
B28B 7/368
. .
{
Absorbent linings
}
Collapse
B28B 7/38
.
Treating surfaces of moulds, cores, or mandrels to prevent sticking
B28B 7/382
. .
{
Devices for treating, e.g. sanding
}
B28B 7/384
. .
{
Treating agents ( for plastic moulding materials in general B29C 33/60 ; lubricants in general C10M )
}
B28B 7/386
. .
{
Cleaning
}
B28B 7/388
. .
{
with liquid material, e.g. lubricating
}
Collapse
B28B 7/40
.
characterised by means for modifying the properties of the moulding material
B28B 7/42
. .
for heating or cooling, e.g. steam jackets,
{
by means of treating agents acting directly on the moulding material
}
B28B 7/44
. .
for treating with gases or degassing, e.g. for de-aerating
{
( treating with hot gases or vapour B28B 7/42 )
}
Collapse
B28B 7/46
. .
for humidifying or dehumidifying
B28B 7/465
. . .
{
Applying setting liquid to dry mixtures
}
Collapse
B28B 11/00
Apparatus or processes for treating or working the shaped
{
or preshaped
}
 articles ( specially adapted for tubular articles B28B 21/92 ; decoration or surface treatment in general B05 , B44 ; compacting concrete in situ in connection with building E04G 21/06 ; drying F26 )
B28B 11/001
.
{
Applying decorations on shaped articles, e.g. by painting
}
B28B 11/002
.
{
Apparatus for washing concrete for decorative purposes or similar surface treatments for exposing the texture
}
Collapse
B28B 11/003
.
{
the shaping of preshaped articles, e.g. by bending ( B28B 11/08 takes precedence )
}
B28B 11/005
. .
{
Using heat to allow reshaping, e.g. to soften ceramic articles
}
Collapse
B28B 11/006
. .
{
Making hollow articles or partly closed articles
}
B28B 11/007
. . .
{
Using a mask for plugging
}
B28B 11/008
. .
{
Blow moulding, e.g. with or without the use of a membrane
}
B28B 11/02
.
for attaching appendages, e.g. handles, spouts
Collapse
B28B 11/04
.
for coating
{
or applying engobing layers
}
 ( glazing, engobing C04B )
B28B 11/041
. .
{
for moulded articles undergoing a thermal treatment at high temperatures, such as burning, after coating
}
Collapse
B28B 11/042
. .
{
with insulating material
}
B28B 11/043
. . .
{
filling cavities or chambers of hollow blocks
}
B28B 11/044
. .
{
with glaze or engobe or enamel or varnish
}
B28B 11/045
. .
{
by dipping
}
B28B 11/046
. .
{
by rolling
}
B28B 11/047
. .
{
by pooring, e.g. curtain coating
}
B28B 11/048
. .
{
by spraying or projecting
}
B28B 11/049
. .
{
Recycling of the coating material
}
B28B 11/06
. .
with powdered or granular material,
{
e.g. sanding of shaped articles
}
Collapse
B28B 11/08
.
for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
B28B 11/0809
. .
{
Hand tools therefore
}
Collapse
B28B 11/0818
. .
{
for roughening, profiling, corrugating
}
B28B 11/0827
. . .
{
for corrugating, profiling or the like of plates such as asbestos cement sheets
}
B28B 11/0836
. . .
{
for pottery articles
}
B28B 11/0845
. .
{
for smoothing
}
B28B 11/0854
. .
{
for making screw-threads or the like in the surface of the shaped article
}
B28B 11/0863
. .
{
for profiling, e.g. making grooves
}
B28B 11/0872
. .
{
Non-mechanical reshaping of the surface, e.g. by burning, acids, radiation energy, air flow, etc.
}
B28B 11/0881
. .
{
Using vibrating mechanisms, e.g. vibrating plates for ageing stones
}
B28B 11/089
. .
{
Using impacting tools
}
B28B 11/10
. .
by using presses
Collapse
B28B 11/12
.
for removing parts of the articles by cutting
B28B 11/125
. .
{
Cutting-off protruding ridges, also profiled cutting
}
Collapse
B28B 11/14
.
for dividing shaped articles by cutting
B28B 11/145
. .
{
for dividing block-shaped bodies of expanded materials, e.g. cellular concrete
}
Collapse
B28B 11/16
. .
for extrusion
{
or for materials supplied in long webs
}
B28B 11/161
. . .
{
in vertically operating extrusion presses
}
Collapse
B28B 11/163
. . .
{
in which the cutting device is moved longitudinally with the moving strand
}
B28B 11/165
. . . .
{
mounted on a carrier
}
B28B 11/166
. . .
{
with devices for determining the correct cutting moment, e.g. measuring rollers or the like
}
B28B 11/168
. . .
{
in which the material is cut-out from a strand or web by means of a frame-shaped knife
}
B28B 11/18
.
for removing burr [ ( N: combined with the mould B28B 7/0058 ) ]
B28B 11/22
.
for cleaning
Collapse
B28B 11/24
.
for curing, setting or hardening ( processes for influencing or modifying the setting or hardening ability of mortars, concrete or artificial stone compositions, in general C04B 40/00 )
B28B 11/241
. .
{
using microwave heating means
}
B28B 11/242
. .
{
by passing an electric current through wires, rods or reinforcing members incorporated in the article
}
B28B 11/243
. .
{
Setting, e.g. drying, dehydrating or firing ceramic articles ( B28B 11/242 takes precedence )
}
Collapse
B28B 11/245
. .
{
Curing concrete articles ( B28B 11/242 takes precedence )
}
B28B 11/246
. . .
{
Underwater curing
}
B28B 11/247
. .
{
Controlling the humidity during curing, setting or hardening
}
B28B 11/248
. .
{
Supports for drying
}
Collapse
B28B 13/00
Feeding the unshaped material to moulds or apparatus for producing shaped articles ; Discharging shaped articles from such moulds or apparatus ( feeding or discharging devices incorporated in, or operatively associated with, a particular type of shaping apparatus, or specially designed to supply materials to a particular type of shaping apparatus, see the relevant groups for the apparatus )
Collapse
B28B 13/02
.
Feeding the unshaped material to moulds or apparatus for producing shaped articles
B28B 13/0205
. .
{
supplied to the moulding device in form of a coherent mass of material, e.g. a lump or an already partially preshaped tablet, pastil or the like
}
B28B 13/021
. .
{
by fluid pressure acting directly on the material, e.g. using vacuum, air pressure
}
Collapse
B28B 13/0215
. .
{
Feeding the moulding material in measured quantities from a container or silo
}
B28B 13/022
. . .
{
Feeding several successive layers, optionally of different materials
}
B28B 13/0225
. . .
{
Feeding specific quantities of material at specific locations in the mould
}
Collapse
B28B 13/023
. . .
{
by using a feed box transferring the moulding material from a hopper to the moulding cavities
}
B28B 13/0235
. . . .
{
the feed box being provided with agitating means, e.g. stirring vanes to avoid premature setting of the moulding material ( agitation in general B01F )
}
B28B 13/0245
. . . .
{
Rotatable feed frames, e.g. horizontally rotated over 90 degrees
}
B28B 13/025
. . . .
{
the feed box being vibrated, e.g. to promote discharging of the material
}
B28B 13/0255
. . . .
{
Disposal of residual material, e.g. by means of the return stroke of the feed drawer
}
B28B 13/026
. . .
{
by using a movable hopper transferring the moulding material to the moulding cavities
}
B28B 13/027
. . .
{
by using a removable belt or conveyor transferring the moulding material to the moulding cavities
}
B28B 13/0275
. . .
{
Feeding a slurry or a ceramic slip
}
B28B 13/028
. .
{
Deflecting the flow of the unshaped material
}
B28B 13/0285
. .
{
the material being prearranged on a sheet, e.g. using a decal
}
B28B 13/029
. .
{
through a sieve or grid, e.g. to ensure evenly filling of cavities
}
B28B 13/0295
. .
{
Treating the surface of the fed layer, e.g. removing material or equalization of the surface
}
Collapse
B28B 13/04
.
Discharging the shaped articles (
{
discharging tubular articles after shaping B28B 21/90 ;
}
 conveying systems for ceramic mouldings B65G 49/08 )
Collapse
B28B 13/06
. .
Removing the shaped articles from moulds ( by means incorporated in, or carried by, the moulds B28B 7/10 )
B28B 13/062
. . .
{
by elastically deforming the mould, e.g. bending flexible moulds
}
B28B 13/065
. . .
{
by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
}
B28B 13/067
. . .
{
by applying blows or vibrations followed by, or during, the removal of a mould part
}
Collapse
B28B 15/00
General arrangement or lay-out of plant
{
Industrial outlines, plant installations
}
B28B 15/002
.
{
Mobile plants, e.g. on vehicles or on boats
}
B28B 15/005
.
{
Machines using pallets co-operating with a bottomless mould; Feeding or discharging means for pallets ( Feeding pallets for making a continuous moulding surface B28B 5/025 , B28B 5/028 )
}
B28B 15/007
.
{
Plant with two or more identical shaping or moulding devices
}
Collapse
B28B 17/00
Details of, or accessories for, apparatus for shaping the material ; Auxiliary measures taken in connection with such shaping ( moulds B28B 7/00 ; after-treatment B28B 11/00 ; feeding or discharging B28B 13/00 ; arrangements for embedding elements in the material B28B 23/00 ; details, accessories, or auxiliary measures special to any one type of shaping, machine or method of shaping, see the relevant groups for such machines or methods )
B28B 17/0009
.
{
Shaping of preshaped articles ( shaping the surface of articles B28B 11/08 )
}
B28B 17/0018
.
{
Separating articles from each other
}
B28B 17/0027
.
{
Accessories for obtaining rubblestones
}
B28B 17/0036
.
{
Cutting means, e.g. water jets
}
B28B 17/0045
.
{
Tensioning devices for cutting means
}
B28B 17/0054
.
{
Cleaning devices for cutting means
}
Collapse
B28B 17/0063
.
{
Control arrangements
}
B28B 17/0072
. .
{
Product control or inspection
}
B28B 17/0081
. .
{
Process control
}
B28B 17/009
.
{
Changing the forming elements, e.g. exchanging moulds, dies
}
Collapse
B28B 17/02
.
Conditioning the material prior to shaping
{
( for mixtures containing clay or cement B28C )
}
B28B 17/023
. .
{
Conditioning gypsum
}
B28B 17/026
. .
{
Conditioning ceramic materials
}
B28B 17/04
.
Exhausting or laying dust
Collapse
B28B 19/00
Machines or methods for applying the material to surfaces to form a permanent layer thereon ( making shaped articles on mandrels B28B 1/30 ; applying liquids or other fluent materials to surfaces in general B05C ; glazing or engobing C04B ; applying the material to walls or other fixed structures, see the relevant classes of section E )
B28B 19/0007
.
{
for producing articles with exposed aggregate
}
B28B 19/0015
.
{
on multilayered articles
}
B28B 19/0023
.
{
Lining the inner wall of hollow objects, e.g. pipes
}
B28B 19/003
.
{
to insulating material
}
B28B 19/0038
.
{
lining the outer wall of hollow objects, e.g. pipes
}
B28B 19/0046
.
{
to plastics
}
Collapse
B28B 19/0053
.
{
to tiles, bricks or the like
}
Collapse
B28B 19/0061
. .
{
Means for arranging or fixing the tiles, bricks or the like in the mould
}
B28B 19/0069
. . .
{
the tiles, bricks or the like being sunk in resilient mould material
}
B28B 19/0076
. . .
{
the tiles, bricks or the like being sunk in heated mould material, e.g. thermoplastic material to temporarily fix them
}
B28B 19/0084
. . .
{
using pressurized elements for fixing the tiles, bricks or the like
}
B28B 19/0092
.
{
to webs, sheets or the like, e.g. of paper, cardboard
}
Collapse
Guide Heading:
Methods, apparatus, or machines, specially adapted for the production of tubular or reinforced articles
Collapse
B28B 21/00
Methods or machines specially adapted for the production of tubular articles
Collapse
B28B 21/02
.
by casting into moulds
B28B 21/04
. .
by simple casting, the material being neither positively compacted nor forcibly fed
B28B 21/06
. .
into moulds having sliding parts ( B28B 21/26 takes precedence; forms, shutterings, or falsework for making rooms as a whole, whole stories, or whole buildings in situ E04G 11/02 )
B28B 21/08
. .
by slip-casting ; Moulds therefor
Collapse
B28B 21/10
. .
using compacting means
B28B 21/12
. . .
tamping or ramming the material or the mould elements
Collapse
B28B 21/14
. . .
vibrating, e.g. the surface of the material
B28B 21/16
. . . .
one or more mould elements
Collapse
B28B 21/18
. . .
using expansible or retractable mould or core elements
Collapse
B28B 21/20
. . . .
using inflatable cores, e.g. having a frame inside the inflatable part of the core ( connection of valves to inflatable elastic bodies B60C 29/00 )
B28B 21/205
. . . . .
{
having a rigid frame inside the inflatable part of the core
}
Collapse
B28B 21/22
. . .
using rotatable mould or core parts
Collapse
B28B 21/24
. . . .
using compacting heads, rollers, or the like
B28B 21/242
. . . . .
{
the working diameter of the compacting mechanism being adjustable, e.g. the compacting rollers on the head being displaceable
}
B28B 21/245
. . . . .
{
using a horizontal compacting roller in a horizontally rotatable mould
}
B28B 21/247
. . . . .
{
the rollers of the compaction head being driven, e.g. to overcome or modify the tangential force
}
B28B 21/26
. . . . .
with a packer head serving as a sliding mould or provided with guiding means for feeding the material
B28B 21/28
. . . . .
combined with vibration means
Collapse
B28B 21/30
. . . .
Centrifugal moulding
B28B 21/305
. . . . .
{
Moulding machines with vertical rotation axis
}
B28B 21/32
. . . . .
Feeding the material into the moulds
B28B 21/34
. . . . .
combined with vibrating or other additional compacting means
Collapse
B28B 21/36
. . .
applying fluid pressure or vacuum to the material ( combined with slip-casting B28B 21/08 )
B28B 21/38
. . . .
introducing the material wholly or partly under pressure;
{
Injection-moulding machines
}
B28B 21/40
. . . .
by evacuating one or more of the mould parts;
{
Vacuum machines
}
Collapse
B28B 21/42
.
by shaping on or against mandrels or like moulding surfaces
B28B 21/44
. .
by projecting, e.g. spraying
B28B 21/46
. .
by dipping
B28B 21/48
. .
by wrapping, e.g. winding
B28B 21/50
. .
Details of compression or compacting means
Collapse
B28B 21/52
.
by extruding
B28B 21/54
. .
Mouthpieces for shaping sockets, bends, or like peculiarly-shaped tubular articles
Collapse
B28B 21/56
.
incorporating reinforcements
{
or inserts
}
B28B 21/563
. .
{
Gaskets
}
B28B 21/566
. .
{
Climbing elements
}
B28B 21/58
. .
Steel tubes
Collapse
B28B 21/60
. .
prestressed reinforcements
Collapse
B28B 21/62
. . .
circumferential
{
laterally tensioned
}
B28B 21/64
. . . .
Winding arrangements
B28B 21/66
. . .
Reinforcing mats
B28B 21/68
. .
and applying centrifugal forces
Collapse
B28B 21/70
.
by building-up from preformed elements
B28B 21/72
. .
Producing multilayer tubes
B28B 21/74
. .
Producing pipe bends, sockets, sleeves ; Moulds therefor ( combined with extrusion presses B28B 21/54 )
Collapse
B28B 21/76
.
Moulds
{
( for slip-casting B28B 21/08 )
}
B28B 21/765
. .
{
Top or bottom rings
}
B28B 21/78
. .
with heating or cooling means, e.g. steam jackets
B28B 21/80
. .
adapted to centrifugal or rotational moulding
Collapse
B28B 21/82
. .
built-up from several parts ; Multiple moulds ; Moulds with adjustable parts
B28B 21/84
. . .
Moulds with one or more pivotable parts
Collapse
B28B 21/86
.
Cores ( in general B28B 7/00 )
B28B 21/88
. .
adjustable, collapsible or expansible ( using inflatable cores B28B 21/20
{
for compacting B28B 21/18
}
 )
Collapse
B28B 21/90
.
Methods or apparatus for
{
demoulding or
}
 discharging after shaping
B28B 21/905
. .
{
Removing from a mandrel
}
Collapse
B28B 21/92
.
Methods or apparatus for treating or reshaping
B28B 21/925
. .
{
for wrapping
}
B28B 21/94
. .
for impregnating or coating by applying liquids or semi-liquids
Collapse
B28B 21/96
. .
for smoothing, roughening, corrugating or for removing burr
B28B 21/965
. . .
{
for grooving or corrugating
}
B28B 21/98
. .
for reshaping, e.g. by means of reshape moulds
Collapse
B28B 23/00
Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material;
{
Production of reinforced objects
}
 ( B28B 21/00 takes precedence; in units for prefabricated buildings B28B 7/22 )
B28B 23/0006
.
{
the reinforcement consisting of aligned, non-metal reinforcing elements
}
B28B 23/0012
.
{
Producing brick netting
}
B28B 23/0018
.
{
Producing metal-clad stones, such as oven stones
}
B28B 23/0025
.
{
with installation or service material, e.g. tubes for electricity or water
}
B28B 23/0031
.
{
with product identification means, e.g. labels on test products or integrated circuit tags inside products RFID
}
B28B 23/0037
.
{
with elements being able to conduct light, e.g. light conducting fibers
}
B28B 23/0043
.
{
with gaskets or sealing elements, e.g. for tunnelings or man holes ( B28B 21/563 takes precedence )
}
B28B 23/005
.
{
with anchoring or fastening elements for the shaped articles
}
B28B 23/0056
.
{
Means for inserting the elements into the mould or supporting them in the mould ( B28B 23/022 takes precedence )
}
B28B 23/0062
.
{
forcing the elements into the cast material, e.g. hooks into cast concrete
}
B28B 23/0068
.
{
Embedding lost cores
}
B28B 23/0075
.
{
for decorative purposes
}
Collapse
B28B 23/0081
.
{
Embedding aggregates to obtain particular properties
}
B28B 23/0087
. .
{
Lightweight aggregates for making lightweight articles
}
B28B 23/0093
. .
{
Heavy aggregates or scrap material for making heavy articles
}
Collapse
B28B 23/02
.
wherein the elements are reinforcing members
{
( B28B 23/0006 takes precedence )
}
Collapse
B28B 23/022
. .
{
Means for inserting reinforcing members into the mould or for supporting them in the mould ( inserting during extrusion B28B 3/2645 )
}
Collapse
B28B 23/024
. . .
{
Supporting means
}
B28B 23/026
. . . .
{
Mould partitionning elements acting as supporting means in moulds, e.g. for elongated articles
}
B28B 23/028
. .
{
for double - wall articles
}
Collapse
B28B 23/04
. .
the elements being stressed
B28B 23/043
. . .
{
Wire anchoring or tensioning means for the reinforcements
}
B28B 23/046
. . .
{
Post treatment to obtain pre-stressed articles
}
B28B 23/06
. . .
for the production of elongated articles
B28B 23/10
. . .
the shaping being effected by centrifugal or rotational moulding
Collapse
B28B 23/12
. . .
to form prestressed circumferential reinforcements
B28B 23/14
. . . .
by wrapping, e.g. winding, apparatus
B28B 23/16
. . . .
Prestressed reinforcing nets
B28B 23/18
. .
for the production of elongated articles ( B28B 23/06 takes precedence )
B28B 23/20
. .
the shaping being effected by centrifugal or rotational moulding ( B28B 23/10 takes precedence )
B28B 23/22
. .
assembled from preformed parts
Collapse
B28B 2001/00
Producing shaped
{
prefabricated
}
 articles from the material ( using presses B28B 3/00 ; shaping on moving conveyers B28B 5/00 ; producing tubular articles B28B 21/00 ;
{
producing articles with embedded elements B28B 23/00
}
 )
Collapse
B28B 2001/08
.
by vibrating or jolting
{
( of moulding sand B22C 15/10 ; of concrete in general E04G 21/063 )
}
Collapse
B28B 2001/087
. .
by means acting on the mould;
{
Fixation thereof to the mould
}
Collapse
B28B 2001/0873
. . .
{
the mould being placed on vibrating or jolting supports, e.g. moulding tables
}
B28B 2001/0876
. . . .
Supports, e.g. tables, therefor
Collapse
B28B 2003/00
Producing shaped articles from the material by using presses ( shaping on moving conveyers B28B 5/00 ) ; Presses specially adapted therefor ( presses in general B30B )
Collapse
B28B 2003/20
.
wherein the material is extruded
{
( extrusion moulding of plastics B29C 47/00 )
}
B28B 2003/203
. .
for multi-channelled structures, e.g. honeycomb structures
Collapse
B28B 2005/00
Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in, or on coveyers irrespective of the manner of shaping ( shaping aspects see the relevant groups )
Collapse
B28B 2005/04
.
in moulds moved in succession past one or more shaping stations ( on turn-tables B28B 5/06 )
Collapse
B28B 2005/041
. .
with compacting of the material
B28B 2005/042
. . .
only by vibrating or jolting
B28B 2005/044
. . .
only by tamping or ramming
B28B 2005/045
. . .
only by pressing
B28B 2005/047
. . .
by tamping, ramming or pressing as well as by vibrating, jolting or by rolling
B28B 2005/048
. .
in moulds carried on a conveyer of the endless-belt type
Collapse
B28B 2005/10
.
in moulds carried on the circumference of a rotating drum
Collapse
B28B 2005/12
. .
intermittently rotated
B28B 2005/125
. . .
Revolving presses
Collapse
B28B 2007/00
Moulds ; Cores ; Mandrels ( specially adapted for the production of the tubular articles B28B 21/00 ;
{
for casting metals B22C 9/00 ; moulds for plastic materials in general B29C 33/00 ; falsework, forms or shutterings for forming buildings or parts thereof in situ E04G 9/00 to E04G 15/00
}
 )
Collapse
B28B 2007/0029
.
{
Moulds or moulding surfaces not covered by B28B 7/0058 to B28B 7/36 and B28B 7/40 to B28B 7/465 , e.g. moulds assembled from several parts
}
B28B 2007/0047
. .
Mould seals
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B28B 2007/005
. .
Fastening means for mould parts, e.g. for attaching mould walls on mould tables ; Mould clamps
B28B 2007/0052
. . .
for attaching mould walls on mould tables
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B28B 2013/00
Feeding the unshaped material to moulds or apparatus for producing shaped articles ; Discharging shaped articles from such moulds or apparatus ( feeding or discharging devices incorporated in, or operatively associated with, a particular type of shaping apparatus, or specially designed to supply materials to a particular type of shaping apparatus, see the relevant groups for the apparatus )
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B28B 2013/02
.
Feeding the unshaped material to moulds or apparatus for producing shaped articles
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B28B 2013/0215
. .
{
Feeding the moulding material in measured quantities from a container or silo
}
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B28B 2013/023
. . .
{
by using a feed box transferring the moulding material from a hopper to the moulding cavities
}
B28B 2013/024
. . . .
the feed box being provided with means for transporting the moulded products, e.g. out of the machine
B28B 2013/0265
. . .
Feeding a slurry or a ceramic slip
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Last Modified: 04/16/2013 4:31:16 PM