1. CPC Sections
  2. CPC Section B
  3. CPC Class B28
  4. CPC Subclass B28B
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Version: 2024.01
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CPC
COOPERATIVE PATENT CLASSIFICATION
​​
B28B
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING 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) [2024-01]
NOTE

  • In this subclass, the following term is used with the meaning indicated:
    • "the material" means:
      • clay or other ceramic compositions;
      • slag;
      • mixtures with water-setting properties given by clay, cementitious material, or slag.
WARNINGS

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    B28B23/08 covered by B28B 21/60, B28B 23/06
  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
B28B 1/00
Producing shaped {prefabricated} articles from the material (using presses B28B 3/00; shaping on moving conveyors B28B 5/00; producing tubular articles B28B 21/00 {; producing articles with embedded elements B28B 23/00}) [2017-08]
B28B 1/001
.
{Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material (selective deposition modelling of metallic powder B22F 10/00; rapid manufacturing of 3D objects in general and in particular of plastics B29C 64/00)} [2021-01]
B28B 1/002
.
{assembled from preformed elements} [2013-01]
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)} [2013-01]
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)} [2013-01]
B28B 1/007
.
{by freezing the material} [2013-01]
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)} [2013-01]
B28B 1/02
.
by turning or jiggering {in moulds or moulding surfaces on rotatable supports} [2013-01]
B28B 1/025
. .
{Potters wheels} [2013-01]
B28B 1/04
.
by tamping or ramming (followed by pressing B28B 3/02) [2013-01]
B28B 1/045
. .
{combined with vibrating or jolting} [2013-01]
B28B 1/08
.
by vibrating or jolting {(of moulding sand B22C 15/10; of concrete in general E04G 21/063)} [2013-01]
B28B 1/081
. .
{Vibration-absorbing means} [2013-01]
B28B 1/082
. .
{combined with a vacuum, e.g. for moisture extraction (in general E04G 21/061)} [2013-01]
B28B 1/084
. .
{the vibrating moulds or cores being moved horizontally for making strands of moulded articles} [2013-01]
B28B 1/085
. . .
{Introducing non-longitudinal reinforcing elements, e.g. spirally shaped} [2013-01]
B28B 1/087
. .
by means acting on the mould {; Fixation thereof to the mould} [2017-08]
B28B 1/0873
. . .
{the mould being placed on vibrating or jolting supports, e.g. moulding tables} [2013-01]
B28B 2001/0876
. . . .
{Supports, e.g. tables, therefor} [2013-01]
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) [2013-01]
B28B 1/0935
. . .
{using only elements wholly or partly immersed in the material, e.g. cores} [2013-01]
B28B 1/10
. .
and applying pressure otherwise than by the use of presses [2013-01]
B28B 1/105
. . .
{this load also being actively vibrated or jolted} [2013-01]
B28B 1/14
.
by simple casting, the material being neither forcibly fed nor positively compacted (for molten material B28B 1/54) [2013-01]
B28B 1/16
. .
for producing layered articles (coating B28B 11/04) [2013-01]
B28B 1/20
.
by centrifugal or rotational casting (slip-casting involving rotation of the mould B28B 1/28; for molten material B28B 1/54) [2013-01]
B28B 1/24
.
by injection moulding {(injection moulding of ceramic slips B28B 1/265; of tubular articles B28B 21/38)} [2013-01]
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)} [2017-08]
B28B 1/261
. .
{Moulds therefor (absorbent moulds in general B28B 7/344)} [2013-01]
B28B 1/262
. . .
{Mould materials; Manufacture of moulds or parts thereof} [2013-01]
B28B 1/263
. . . .
{Plastics} [2013-01]
B28B 1/264
. . . .
{Plaster} [2013-01]
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} [2013-01]
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} [2013-01]
B28B 1/267
. .
{in moulds or on moulding surfaces supported by, or formed in or by, conveyors} [2016-05]
B28B 1/268
. .
{by dipping moulding surfaces in the slip (in general B28B 1/38)} [2013-01]
B28B 1/269
. .
{by electrophoresis (electrophoresis in general C25)} [2013-01]
B28B 1/28
. .
involving rotation of the mould {about a centrifugal axis} [2013-01]
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)} [2013-01]
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) [2013-01]
B28B 1/32
. .
by projecting, e.g. spraying (spraying in general B05B, B05D) [2013-01]
B28B 1/34
. . .
by centrifugal force {(centrifugally acting implements for applying plaster or the like to walls E04F 21/10)} [2013-01]
B28B 1/38
. .
by dipping (in general B05C, B05D {; shaping from synthetic resin B29C 41/14}) [2017-08]
B28B 1/40
. .
by wrapping, e.g. winding [2013-01]
B28B 1/42
. . .
using mixtures containing fibres, e.g. for making sheets by slitting the wound layer [2013-01]
B28B 1/44
.
by forcing cores into filled moulds for forming hollow articles [2013-01]
B28B 1/445
. .
{Hollow punches or cores} [2013-01]
B28B 1/48
.
by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring [2013-01]
B28B 1/50
.
specially adapted for producing articles of expanded material, e.g. cellular concrete (chemical aspects {or making expanded aggregate} C04B) [2013-01]
B28B 1/503
. .
{Moulds therefor} [2013-01]
B28B 1/506
. . .
{with means for, or adapted for, cutting the moulded article into pieces (in general B28B 7/14)} [2013-01]
B28B 1/52
.
specially adapted for producing articles from mixtures containing fibres, {e.g. asbestos cement}(by wrapping on to mandrels B28B 1/42) [2017-08]
B28B 1/521
. .
{from dry mixtures to which a setting agent is applied after forming (B28B 1/526, B28B 1/527 take precedence)} [2013-01]
B28B 1/522
. .
{for producing multi-layered articles (B28B 1/526, B28B 1/527 take precedence)} [2013-01]
B28B 1/523
. .
{containing metal fibres (B28B 1/526, B28B 1/527 take precedence)} [2013-01]
B28B 1/525
. .
{containing organic fibres, e.g. wood fibres (B28B 1/526, B28B 1/527 take precedence)} [2013-01]
B28B 1/526
. .
{by delivering the materials on a conveyor of the endless-belt type} [2016-05]
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} [2013-01]
B28B 1/528
. .
{for producing corrugated sheets (B28B 1/526, B28B 1/527 take precedence)} [2013-01]
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}) [2017-08]
B28B 3/00
Producing shaped articles from the material by using presses (shaping on moving conveyors B28B 5/00); Presses specially adapted therefor (presses in general B30B) [2016-05]
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)} [2013-01]
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)} [2013-01]
B28B 3/02
.
wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form [2013-01]
B28B 3/021
. .
{Ram heads of special form} [2013-01]
B28B 3/022
. .
{combined with vibrating or jolting} [2013-01]
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} [2013-01]
B28B 3/025
. .
{Hot pressing, e.g. of ceramic materials} [2013-01]
B28B 3/027
. .
{using a bottom press ram actuated upwardly towards mould covers} [2013-01]
B28B 3/028
. .
{Centering the press head, e.g. using guiding pins or chamfered mould edges} [2013-01]
B28B 3/04
. .
with one ram per mould (B28B 3/10 takes precedence) [2013-01]
B28B 3/06
. . .
with two or more ram and mould sets [2013-01]
B28B 3/08
. .
with two or more rams per mould [2013-01]
B28B 3/083
. . .
{The juxtaposed rams working in the same direction} [2013-01]
B28B 3/086
. . .
{The rams working in different directions} [2013-01]
B28B 3/10
. .
each charge of material being compressed against previously formed body [2013-01]
B28B 3/12
.
wherein one or more rollers exert pressure on the material [2013-01]
B28B 3/123
. .
{on material in moulds or on moulding surfaces moving continuously underneath or between the rollers, e.g. on an endless belt} [2013-01]
B28B 3/126
. .
{on material passing directly between the co-operating rollers} [2013-01]
B28B 3/14
. .
with co-operating pocketed rollers [2013-01]
B28B 3/16
. .
with co-operating profiled rollers [2013-01]
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 [2013-01]
B28B 3/20
.
wherein the material is extruded {(extrusion moulding of plastics B29C 48/00)} [2019-02]
B28B 3/201
. .
{Means for heating or cooling the barrel} [2013-01]
B28B 2003/203
. .
{for multi-channelled structures, e.g. honeycomb structures} [2013-01]
B28B 3/205
. .
{using vibrations} [2013-01]
B28B 3/206
. .
{Forcing the material through screens or slots} [2013-01]
B28B 3/208
. .
{Exchangeable wear parts, e.g. liners} [2013-01]
B28B 3/22
. .
by screw or worm [2013-01]
B28B 3/222
. . .
{Screw or worm constructions} [2013-01]
B28B 3/224
. . .
{Twin screw extruders, e.g. double shaft extruders} [2013-01]
B28B 3/226
. . .
{Means for heating or cooling the screw} [2013-01]
B28B 3/228
. . .
{Slipform casting extruder, e.g. self-propelled extruder} [2013-01]
B28B 3/24
. .
by reciprocating plunger [2013-01]
B28B 3/26
. .
Extrusion dies [2013-01]
B28B 3/2609
. . .
{Containing rotating elements perpendicular to the axis of extrusion} [2013-01]
B28B 3/2618
. . .
{using lubricating means} [2013-01]
B28B 3/2627
. . .
{using means for making hollow objects with transverse walls, e.g. hollow objects closed on all sides} [2013-01]
B28B 3/2636
. . .
{using means for co-extruding different materials} [2013-01]
B28B 3/2645
. . .
{using means for inserting reinforcing members} [2013-01]
B28B 3/2654
. . .
{Means for heating or cooling the die} [2013-01]
B28B 3/2663
. . .
{Exchangeable wear parts, e.g. liners} [2013-01]
B28B 3/2672
. . .
{Means for adjusting the flow inside the die, e.g. using choke means} [2013-01]
B28B 3/2681
. . .
{Adjustable dies, e.g. for altering the shape of the product} [2013-01]
B28B 3/269
. . .
{For multi-channeled structures, e.g. honeycomb structures} [2013-01]
B28B 5/00
Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping [2024-01]
B28B 5/02
.
on conveyors of the endless-belt or chain type (in combination with pressing rollers B28B 3/12) [2016-05]
B28B 5/021
. .
{the shaped articles being of definite length} [2013-01]
B28B 5/022
. . .
{the moulds or the moulding surfaces being individual independant units and being discontinuously fed (feeding B28B 13/0215 and sub-groups)} [2013-01]
B28B 5/023
. . . .
{Moulds mounted on an endless chain conveyor for making pottery ware} [2016-05]
B28B 5/025
. . .
{the moulds or the moulding surfaces being divided by separating walls and being continuously fed (feeding B28B 13/02)} [2013-01]
B28B 5/026
. .
{the shaped articles being of indefinite length} [2013-01]
B28B 5/027
. . .
{the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed (feeding B28B 13/02)} [2013-01]
B28B 5/028
. . .
{the moulding surfaces being of definite length, e.g. succession of moving pallets, and being continuously fed (feeding B28B 13/02)} [2013-01]
B28B 5/04
.
in moulds moved in succession past one or more shaping stations (on turn-tables B28B 5/06) [2013-01]
B28B 2005/041
. .
{with compacting of the material} [2013-01]
B28B 2005/042
. . .
{only by vibrating or jolting} [2013-01]
B28B 2005/044
. . .
{only by tamping or ramming} [2013-01]
B28B 2005/045
. . .
{only by pressing} [2013-01]
B28B 2005/047
. . .
{by tamping, ramming or pressing as well as by vibrating, jolting or by rolling} [2013-01]
B28B 2005/048
. .
{in moulds carried on a conveyor of the endless-belt type} [2016-05]
B28B 5/06
.
in moulds on a turntable [2017-08]
B28B 5/08
. .
intermittently rotated [2013-01]
B28B 5/10
.
in moulds carried on the circumference of a rotating drum [2013-01]
B28B 5/12
. .
intermittently rotated [2013-01]
B28B 2005/125
. . .
{Revolving presses} [2013-01]
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 - E04G 15/00}) [2016-05]
B28B 7/0002
.
{Auxiliary parts or elements of the mould} [2013-01]
B28B 7/0005
. .
{Mould identification means, e.g. by radio frequency identification device [RFID]} [2013-01]
B28B 7/0008
. .
{Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding} [2013-01]
B28B 7/0011
. .
{Mould seals} [2013-01]
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)} [2013-01]
B28B 7/0017
. . .
{for attaching mould walls on mould tables} [2013-01]
B28B 7/002
. . .
{using magnets} [2013-01]
B28B 7/0023
. . .
{using vacuum} [2013-01]
B28B 7/0026
. . .
{using adhesive} [2013-01]
B28B 7/0029
.
{Moulds or moulding surfaces not covered by B28B 7/0058 - B28B 7/36 and B28B 7/40 - B28B 7/465, e.g. moulds assembled from several parts} [2016-05]
B28B 7/0032
. .
{Moulding tables or similar mainly horizontal moulding surfaces} [2013-01]
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} [2013-01]
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} [2013-01]
B28B 7/0041
. . .
{the sidewalls of the mould being moved only parallelly away from the sidewalls of the moulded article} [2013-01]
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} [2013-01]
B28B 2007/0047
. .
{Mould seals} [2013-01]
B28B 2007/005
. .
{Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps} [2013-01]
B28B 2007/0052
. . .
{for attaching mould walls on mould tables} [2013-01]
B28B 7/0055
. .
{Mould pallets; Mould panels} [2013-01]
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} [2013-01]
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} [2013-01]
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)} [2013-01]
B28B 7/0067
. .
{with polished or glossy moulding surfaces} [2013-01]
B28B 7/007
. .
{with moulding surfaces simulating natural effets, e.g. wood or stone} [2013-01]
B28B 7/0073
. .
{with moulding surfaces simulating assembled bricks or blocks with mortar joints (B28B 7/007 takes precedence)} [2013-01]
B28B 7/0076
. .
{with surfaces for moulding letters or marks} [2013-01]
B28B 7/0079
. .
{with surfaces for moulding interlocking means, e.g. grooves and ribs} [2013-01]
B28B 7/0082
. .
{with surfaces for moulding parallel grooves or ribs (B28B 7/0073, B28B 7/0079 takes precedence)} [2013-01]
B28B 7/0085
. .
{with surfaces for moulding chamfers} [2013-01]
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} [2013-01]
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} [2013-01]
B28B 7/0094
.
{Moulds for concrete test samples} [2013-01]
B28B 7/0097
.
{Press moulds; Press-mould and press-ram assemblies} [2013-01]
B28B 7/02
.
Moulds with adjustable parts {specially for modifying at will the dimensions or form of the moulded article} [2013-01]
B28B 7/025
. .
{the mould surface being made of or being supported by a plurality of small elements, e.g. to create double curvatures} [2013-01]
B28B 7/04
. .
one or more of the parts being pivotally mounted [2013-01]
B28B 7/06
.
Moulds with flexible parts [2013-01]
B28B 7/065
. .
{Casting in sack or bag like moulds} [2013-01]
B28B 7/08
.
Moulds provided with means for tilting or inverting [2013-01]
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)} [2013-01]
B28B 7/085
. .
{for making double wall panels} [2013-01]
B28B 7/087
. .
{using rocker or rolling means} [2013-01]
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) [2013-01]
B28B 7/12
. .
by fluid pressure {, e.g. acting through flexible wall parts or linings of the moulds} [2017-08]
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) [2013-01]
B28B 7/16
.
Moulds for making shaped articles with cavities or holes open to the surface {, e.g. with blind holes} [2017-08]
B28B 7/162
. .
{for building blocks or similar block-shaped articles} [2013-01]
B28B 7/164
. .
{for plates, panels, or similar sheet- or disc-shaped articles} [2013-01]
B28B 7/166
. .
{for oblong articles, e.g. hollow masts} [2013-01]
B28B 7/168
. .
{for holders or similar hollow articles, e.g. vaults, sewer pits} [2013-01]
B28B 7/18
. .
the holes passing completely through the article [2013-01]
B28B 7/183
. . .
{for building blocks or similar block-shaped objects} [2013-01]
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} [2013-01]
B28B 7/20
.
Moulds for making shaped articles with undercut recesses, e.g. dovetails [2013-01]
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 [2016-08]
B28B 7/225
. .
{for making stairs or stair units comprising more than one step (in situ E04G 13/06)} [2013-01]
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)} [2017-08]
B28B 7/241
. .
{Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces} [2013-01]
B28B 7/243
. . .
{for making plates, panels or similar sheet- or disc-shaped objects} [2013-01]
B28B 7/245
. . . .
{using transportable mould batteries} [2013-01]
B28B 7/246
. . .
{for making oblong objects, e.g. girders} [2013-01]
B28B 7/248
. . .
{using angle-shaped mould parts, e.g. L-parts} [2013-01]
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} [2016-08]
B28B 7/263
. .
{for making plates, panels or similar sheet- or disc-shaped objects} [2013-01]
B28B 7/266
. .
{for making oblong objects, e.g. girders} [2013-01]
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)} [2013-01]
B28B 7/285
. .
{Core puller} [2013-01]
B28B 7/30
. .
adjustable, collapsible, or expanding {(for making tubular objects B28B 21/88)} [2013-01]
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} [2013-01]
B28B 7/306
. . .
{pliable or extensible} [2013-01]
B28B 7/32
. . .
inflatable {(connection of valves to inflatable elastic bodies B60C 29/00)} [2013-01]
B28B 7/34
.
Moulds, cores, or mandrels of special material, e.g. destructible materials (for slip casting B28B 1/26) [2013-01]
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} [2013-01]
B28B 7/344
. .
{from absorbent or liquid- or gas-permeable materials, e.g. plaster moulds in general} [2013-01]
B28B 7/346
. .
{Manufacture of moulds} [2013-01]
B28B 7/348
. .
{of plastic material or rubber} [2013-01]
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) [2013-01]
B28B 7/362
. .
{specially for making moulded articles from concrete with exposed aggregate} [2013-01]
B28B 7/364
. .
{of plastic material or rubber} [2013-01]
B28B 7/366
. .
{Replaceable lining plates for press mould} [2013-01]
B28B 7/368
. .
{Absorbent linings} [2013-01]
B28B 7/38
.
Treating surfaces of moulds, cores, or mandrels to prevent sticking [2013-01]
B28B 7/382
. .
{Devices for treating, e.g. sanding} [2013-01]
B28B 7/384
. .
{Treating agents (for plastic moulding materials in general B29C 33/60; lubricants in general C10M)} [2013-01]
B28B 7/386
. .
{Cleaning} [2013-01]
B28B 7/388
. .
{with liquid material, e.g. lubricating} [2013-01]
B28B 7/40
.
characterised by means for modifying the properties of the moulding material [2013-01]
B28B 7/42
. .
for heating or cooling, e.g. steam jackets {, by means of treating agents acting directly on the moulding material} [2017-08]
B28B 7/44
. .
for treating with gases or degassing, e.g. for de-aerating {(treating with hot gases or vapour B28B 7/42)} [2013-01]
B28B 7/46
. .
for humidifying or dehumidifying [2013-01]
B28B 7/465
. . .
{Applying setting liquid to dry mixtures} [2013-01]
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) [2013-01]
B28B 11/001
.
{Applying decorations on shaped articles, e.g. by painting} [2013-01]
B28B 11/002
.
{Apparatus for washing concrete for decorative purposes or similar surface treatments for exposing the texture} [2013-01]
B28B 11/003
.
{the shaping of preshaped articles, e.g. by bending (B28B 11/08 takes precedence)} [2013-01]
B28B 11/005
. .
{Using heat to allow reshaping, e.g. to soften ceramic articles} [2013-01]
B28B 11/006
. .
{Making hollow articles or partly closed articles} [2013-01]
B28B 11/007
. . .
{Using a mask for plugging} [2013-01]
B28B 11/008
. .
{Blow moulding, e.g. with or without the use of a membrane} [2013-01]
B28B 11/02
.
for attaching appendages, e.g. handles, spouts [2013-01]
B28B 11/04
.
for coating {or applying engobing layers}(glazing, engobing C04B) [2013-01]
B28B 11/041
. .
{for moulded articles undergoing a thermal treatment at high temperatures, such as burning, after coating} [2013-01]
B28B 11/042
. .
{with insulating material} [2013-01]
B28B 11/043
. . .
{filling cavities or chambers of hollow blocks} [2013-01]
B28B 11/044
. .
{with glaze or engobe or enamel or varnish} [2013-01]
B28B 11/045
. .
{by dipping} [2013-01]
B28B 11/046
. .
{by rolling} [2013-01]
B28B 11/047
. .
{by pooring, e.g. curtain coating} [2013-01]
B28B 11/048
. .
{by spraying or projecting} [2013-01]
B28B 11/049
. .
{Recycling of the coating material} [2013-01]
B28B 11/06
. .
with powdered or granular material {, e.g. sanding of shaped articles} [2017-08]
B28B 11/08
.
for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads [2013-01]
B28B 11/0809
. .
{Hand tools therefore} [2013-01]
B28B 11/0818
. .
{for roughening, profiling, corrugating} [2013-01]
B28B 11/0827
. . .
{for corrugating, profiling or the like of plates such as asbestos cement sheets} [2013-01]
B28B 11/0836
. . .
{for pottery articles} [2013-01]
B28B 11/0845
. .
{for smoothing} [2013-01]
B28B 11/0854
. .
{for making screw-threads or the like in the surface of the shaped article} [2013-01]
B28B 11/0863
. .
{for profiling, e.g. making grooves} [2013-01]
B28B 11/0872
. .
{Non-mechanical reshaping of the surface, e.g. by burning, acids, radiation energy, air flow, etc.} [2013-01]
B28B 11/0881
. .
{Using vibrating mechanisms, e.g. vibrating plates for ageing stones} [2013-01]
B28B 11/089
. .
{Using impacting tools} [2013-01]
B28B 11/10
. .
by using presses [2013-01]
B28B 11/12
.
for removing parts of the articles by cutting [2013-01]
B28B 11/125
. .
{Cutting-off protruding ridges, also profiled cutting} [2013-01]
B28B 11/14
.
for dividing shaped articles by cutting [2013-01]
B28B 11/145
. .
{for dividing block-shaped bodies of expanded materials, e.g. cellular concrete} [2013-01]
B28B 11/16
. .
for extrusion {or for materials supplied in long webs} [2013-01]
B28B 11/161
. . .
{in vertically operating extrusion presses} [2013-01]
B28B 11/163
. . .
{in which the cutting device is moved longitudinally with the moving strand} [2013-01]
B28B 11/165
. . . .
{mounted on a carrier} [2013-01]
B28B 11/166
. . .
{with devices for determining the correct cutting moment, e.g. measuring rollers or the like} [2013-01]
B28B 11/168
. . .
{in which the material is cut-out from a strand or web by means of a frame-shaped knife} [2013-01]
B28B 11/18
.
for removing burr {(combined with the mould B28B 7/0058)} [2013-01]
B28B 11/22
.
for cleaning [2013-01]
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) [2013-01]
B28B 11/241
. .
{using microwave heating means} [2013-01]
B28B 11/242
. .
{by passing an electric current through wires, rods or reinforcing members incorporated in the article} [2013-01]
B28B 11/243
. .
{Setting, e.g. drying, dehydrating or firing ceramic articles (B28B 11/242 takes precedence)} [2013-01]
B28B 11/245
. .
{Curing concrete articles (B28B 11/242 takes precedence)} [2013-01]
B28B 11/246
. . .
{Underwater curing} [2013-01]
B28B 11/247
. .
{Controlling the humidity during curing, setting or hardening} [2013-01]
B28B 11/248
. .
{Supports for drying} [2013-01]
B28B 13/00
Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus [2024-01]
B28B 13/02
.
Feeding the unshaped material to moulds or apparatus for producing shaped articles [2013-01]
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} [2013-01]
B28B 13/021
. .
{by fluid pressure acting directly on the material, e.g. using vacuum, air pressure} [2013-01]
B28B 13/0215
. .
{Feeding the moulding material in measured quantities from a container or silo} [2013-01]
B28B 13/022
. . .
{Feeding several successive layers, optionally of different materials} [2013-01]
B28B 13/0225
. . .
{Feeding specific quantities of material at specific locations in the mould} [2013-01]
B28B 13/023
. . .
{by using a feed box transferring the moulding material from a hopper to the moulding cavities} [2013-01]
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)} [2013-01]
B28B 2013/024
. . . .
{the feed box being provided with means for transporting the moulded products, e.g. out of the machine} [2013-01]
B28B 13/0245
. . . .
{Rotatable feed frames, e.g. horizontally rotated over 90 degrees} [2013-01]
B28B 13/025
. . . .
{the feed box being vibrated, e.g. to promote discharging of the material} [2013-01]
B28B 13/0255
. . . .
{Disposal of residual material, e.g. by means of the return stroke of the feed drawer} [2013-01]
B28B 13/026
. . .
{by using a movable hopper transferring the moulding material to the moulding cavities} [2013-01]
B28B 2013/0265
. . .
{Feeding a slurry or a ceramic slip} [2013-01]
B28B 13/027
. . .
{by using a removable belt or conveyor transferring the moulding material to the moulding cavities} [2013-01]
B28B 13/0275
. . .
{Feeding a slurry or a ceramic slip} [2013-01]
B28B 13/028
. .
{Deflecting the flow of the unshaped material} [2013-01]
B28B 13/0285
. .
{the material being prearranged on a sheet, e.g. using a decal} [2013-01]
B28B 13/029
. .
{through a sieve or grid, e.g. to ensure evenly filling of cavities} [2013-01]
B28B 13/0295
. .
{Treating the surface of the fed layer, e.g. removing material or equalization of the surface} [2013-01]
B28B 13/04
.
Discharging the shaped articles ({discharging tubular articles after shaping B28B 21/90; } conveying systems for ceramic mouldings B65G 49/08) [2013-01]
B28B 13/06
. .
Removing the shaped articles from moulds (by means incorporated in, or carried by, the moulds B28B 7/10) [2013-01]
B28B 13/062
. . .
{by elastically deforming the mould, e.g. bending flexible moulds} [2013-01]
B28B 13/065
. . .
{by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means} [2013-01]
B28B 13/067
. . .
{by applying blows or vibrations followed by, or during, the removal of a mould part} [2013-01]
B28B 15/00
General arrangement or layout of plant {; Industrial outlines or plant installations} [2023-08]
B28B 15/002
.
{Mobile plants, e.g. on vehicles or on boats} [2013-01]
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)} [2017-08]
B28B 15/007
.
{Plant with two or more identical shaping or moulding devices} [2013-01]
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) [2024-01]
B28B 17/0009
.
{Shaping of preshaped articles (shaping the surface of articles B28B 11/08)} [2013-01]
B28B 17/0018
.
{Separating articles from each other} [2013-01]
B28B 17/0027
.
{Accessories for obtaining rubblestones} [2013-01]
B28B 17/0036
.
{Cutting means, e.g. water jets} [2013-01]
B28B 17/0045
.
{Tensioning devices for cutting means} [2013-01]
B28B 17/0054
.
{Cleaning devices for cutting means} [2013-01]
B28B 17/0063
.
{Control arrangements} [2013-01]
B28B 17/0072
. .
{Product control or inspection} [2013-01]
B28B 17/0081
. .
{Process control} [2013-01]
B28B 17/009
.
{Changing the forming elements, e.g. exchanging moulds, dies} [2013-01]
B28B 17/02
.
Conditioning the material prior to shaping {(for mixtures containing clay or cement B28C)} [2013-01]
B28B 17/023
. .
{Conditioning gypsum} [2013-01]
B28B 17/026
. .
{Conditioning ceramic materials} [2013-01]
B28B 17/04
.
Exhausting or laying dust [2013-01]
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) [2024-01]
B28B 19/0007
.
{for producing articles with exposed aggregate} [2013-01]
B28B 19/0015
.
{on multilayered articles} [2013-01]
B28B 19/0023
.
{Lining the inner wall of hollow objects, e.g. pipes} [2013-01]
B28B 19/003
.
{to insulating material} [2013-01]
B28B 19/0038
.
{lining the outer wall of hollow objects, e.g. pipes} [2013-01]
B28B 19/0046
.
{to plastics} [2013-01]
B28B 19/0053
.
{to tiles, bricks or the like} [2013-01]
B28B 19/0061
. .
{Means for arranging or fixing the tiles, bricks or the like in the mould} [2013-01]
B28B 19/0069
. . .
{the tiles, bricks or the like being sunk in resilient mould material} [2013-01]
B28B 19/0076
. . .
{the tiles, bricks or the like being sunk in heated mould material, e.g. thermoplastic material to temporarily fix them} [2013-01]
B28B 19/0084
. . .
{using pressurized elements for fixing the tiles, bricks or the like} [2013-01]
B28B 19/0092
.
{to webs, sheets or the like, e.g. of paper, cardboard} [2013-01]
Methods, apparatus, or machines, specially adapted for the production of tubular or reinforced articles [2013-01]
B28B 21/00
Methods or machines specially adapted for the production of tubular articles [2013-01]
B28B 21/02
.
by casting into moulds [2013-01]
B28B 21/04
. .
by simple casting, the material being neither positively compacted nor forcibly fed [2013-01]
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) [2013-01]
B28B 21/08
. .
by slip-casting; Moulds therefor [2013-01]
B28B 21/10
. .
using compacting means [2013-01]
B28B 21/12
. . .
tamping or ramming the material or the mould elements [2013-01]
B28B 21/14
. . .
vibrating, e.g. the surface of the material [2013-01]
B28B 21/16
. . . .
one or more mould elements [2013-01]
B28B 21/18
. . .
using expansible or retractable mould or core elements [2013-01]
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) [2013-01]
B28B 21/205
. . . . .
{having a rigid frame inside the inflatable part of the core} [2013-01]
B28B 21/22
. . .
using rotatable mould or core parts [2013-01]
B28B 21/24
. . . .
using compacting heads, rollers, or the like [2013-01]
B28B 21/242
. . . . .
{the working diameter of the compacting mechanism being adjustable, e.g. the compacting rollers on the head being displaceable} [2013-01]
B28B 21/245
. . . . .
{using a horizontal compacting roller in a horizontally rotatable mould} [2013-01]
B28B 21/247
. . . . .
{the rollers of the compaction head being driven, e.g. to overcome or modify the tangential force} [2013-01]
B28B 21/26
. . . . .
with a packer head serving as a sliding mould or provided with guiding means for feeding the material [2013-01]
B28B 21/28
. . . . .
combined with vibration means [2013-01]
B28B 21/30
. . . .
Centrifugal moulding [2013-01]
B28B 21/305
. . . . .
{Moulding machines with vertical rotation axis} [2013-01]
B28B 21/32
. . . . .
Feeding the material into the moulds [2013-01]
B28B 21/34
. . . . .
combined with vibrating or other additional compacting means [2013-01]
B28B 21/36
. . .
applying fluid pressure or vacuum to the material (combined with slip-casting B28B 21/08) [2013-01]
B28B 21/38
. . . .
introducing the material wholly or partly under pressure {; Injection-moulding machines} [2017-08]
B28B 21/40
. . . .
by evacuating one or more of the mould parts {; Vacuum machines} [2017-08]
B28B 21/42
.
by shaping on or against mandrels or like moulding surfaces [2013-01]
B28B 21/44
. .
by projecting, e.g. spraying [2013-01]
B28B 21/46
. .
by dipping [2013-01]
B28B 21/48
. .
by wrapping, e.g. winding [2013-01]
B28B 21/50
. .
Details of compression or compacting means [2013-01]
B28B 21/52
.
by extruding [2013-01]
B28B 21/54
. .
Mouthpieces for shaping sockets, bends, or like peculiarly-shaped tubular articles [2013-01]
B28B 21/56
.
incorporating reinforcements {or inserts} [2013-01]
B28B 21/563
. .
{Gaskets} [2013-01]
B28B 21/566
. .
{Climbing elements} [2013-01]
B28B 21/58
. .
Steel tubes [2013-01]
B28B 21/60
. .
prestressed reinforcements [2013-01]
B28B 21/62
. . .
circumferential {laterally tensioned} [2013-01]
B28B 21/64
. . . .
Winding arrangements [2013-01]
B28B 21/66
. . .
Reinforcing mats [2013-01]
B28B 21/68
. .
and applying centrifugal forces [2013-01]
B28B 21/70
.
by building-up from preformed elements [2013-01]
B28B 21/72
. .
Producing multilayer tubes [2013-01]
B28B 21/74
. .
Producing pipe bends, sockets, sleeves; Moulds therefor (combined with extrusion presses B28B 21/54) [2013-01]
B28B 21/76
.
Moulds {(for slip-casting B28B 21/08)} [2013-01]
B28B 21/765
. .
{Top or bottom rings} [2013-01]
B28B 21/78
. .
with heating or cooling means, e.g. steam jackets [2013-01]
B28B 21/80
. .
adapted to centrifugal or rotational moulding [2013-01]
B28B 21/82
. .
built-up from several parts; Multiple moulds; Moulds with adjustable parts [2013-01]
B28B 21/84
. . .
Moulds with one or more pivotable parts [2013-01]
B28B 21/86
.
Cores (in general B28B 7/00) [2013-01]
B28B 21/88
. .
adjustable, collapsible or expansible (using inflatable cores B28B 21/20 {; for compacting B28B 21/18}) [2017-08]
B28B 21/90
.
Methods or apparatus for {demoulding or} discharging after shaping [2013-01]
B28B 21/905
. .
{Removing from a mandrel} [2013-01]
B28B 21/92
.
Methods or apparatus for treating or reshaping [2013-01]
B28B 21/925
. .
{for wrapping} [2013-01]
B28B 21/94
. .
for impregnating or coating by applying liquids or semi-liquids [2013-01]
B28B 21/96
. .
for smoothing, roughening, corrugating or for removing burr [2013-01]
B28B 21/965
. . .
{for grooving or corrugating} [2013-01]
B28B 21/98
. .
for reshaping, e.g. by means of reshape moulds [2013-01]
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) [2013-01]
B28B 23/0006
.
{the reinforcement consisting of aligned, non-metal reinforcing elements} [2013-01]
B28B 23/0012
.
{Producing brick netting} [2013-01]
B28B 23/0018
.
{Producing metal-clad stones, such as oven stones} [2013-01]
B28B 23/0025
.
{with installation or service material, e.g. tubes for electricity or water} [2013-01]
B28B 23/0031
.
{with product identification means, e.g. labels on test products or integrated circuit tags inside products RFID} [2013-01]
B28B 23/0037
.
{with elements being able to conduct light, e.g. light conducting fibers} [2013-01]
B28B 23/0043
.
{with gaskets or sealing elements, e.g. for tunnelings or man holes (B28B 21/563 takes precedence)} [2013-01]
B28B 23/005
.
{with anchoring or fastening elements for the shaped articles} [2013-01]
B28B 23/0056
.
{Means for inserting the elements into the mould or supporting them in the mould (B28B 23/022 takes precedence)} [2013-01]
B28B 23/0062
.
{forcing the elements into the cast material, e.g. hooks into cast concrete} [2013-01]
B28B 23/0068
.
{Embedding lost cores} [2013-01]
B28B 23/0075
.
{for decorative purposes} [2013-01]
B28B 23/0081
.
{Embedding aggregates to obtain particular properties} [2013-01]
B28B 23/0087
. .
{Lightweight aggregates for making lightweight articles} [2013-01]
B28B 23/0093
. .
{Heavy aggregates or scrap material for making heavy articles} [2013-01]
B28B 23/02
.
wherein the elements are reinforcing members {(B28B 23/0006 takes precedence)} [2013-01]
B28B 23/022
. .
{Means for inserting reinforcing members into the mould or for supporting them in the mould (inserting during extrusion B28B 3/2645)} [2013-01]
B28B 23/024
. . .
{Supporting means} [2013-01]
B28B 23/026
. . . .
{Mould partitionning elements acting as supporting means in moulds, e.g. for elongated articles} [2013-01]
B28B 23/028
. .
{for double - wall articles} [2013-01]
B28B 23/04
. .
the elements being stressed [2013-01]
B28B 23/043
. . .
{Wire anchoring or tensioning means for the reinforcements} [2013-01]
B28B 23/046
. . .
{Post treatment to obtain pre-stressed articles} [2013-01]
B28B 23/06
. . .
for the production of elongated articles [2013-01]
B28B 23/10
. . .
the shaping being effected by centrifugal or rotational moulding [2013-01]
B28B 23/12
. . .
to form prestressed circumferential reinforcements [2013-01]
B28B 23/14
. . . .
by wrapping, e.g. winding, apparatus [2013-01]
B28B 23/16
. . . .
Prestressed reinforcing nets [2013-01]
B28B 23/18
. .
for the production of elongated articles (B28B 23/06 takes precedence) [2013-01]
B28B 23/20
. .
the shaping being effected by centrifugal or rotational moulding (B28B 23/10 takes precedence) [2013-01]
B28B 23/22
. .
assembled from preformed parts [2013-01]