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A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
B01
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SEPARATINGMIXING
B01
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B02
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CRUSHING, PULVERISING, OR DISINTEGRATINGPREPARATORY TREATMENT OF GRAIN FOR MILLING
B03
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SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGSMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDSSEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS [5]
B04
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CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B05
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SPRAYING OR ATOMISING IN GENERALAPPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL [2]
B06
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GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B07
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SEPARATING SOLIDS FROM SOLIDSSORTING
B08
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CLEANING
B09
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DISPOSAL OF SOLID WASTERECLAMATION OF CONTAMINATED SOIL [3, 6]
B21
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SHAPING
B21
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MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIALPUNCHING METAL
B22
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CASTINGPOWDER METALLURGY
B23
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MACHINE TOOLSMETAL-WORKING NOT OTHERWISE PROVIDED FOR
B24
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GRINDINGPOLISHING
B25
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HAND TOOLSPORTABLE POWER-DRIVEN TOOLSHANDLES FOR HAND IMPLEMENTSWORKSHOP EQUIPMENTMANIPULATORS
B26
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HAND CUTTING TOOLSCUTTINGSEVERING
B27
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WORKING OR PRESERVING WOOD OR SIMILAR MATERIALNAILING OR STAPLING MACHINES IN GENERAL
B28
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WORKING CEMENT, CLAY, OR STONE
B29
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WORKING OF PLASTICSWORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29B
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PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPEDMAKING GRANULES OR PREFORMSRECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS [4]
B29C
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SHAPING OR JOINING OF PLASTICSSHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FORAFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (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) [4]
B29C 31/00
Component parts, details or accessoriesAuxiliary operations [4]
B29C 31/00
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Handling, e.g. feeding of the material to be shaped [4, 2006.01]
B29C 33/00
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Moulds or coresDetails thereof or accessories therefor [4, 2006.01]
B29C 35/00
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Heating, cooling or curing, e.g. crosslinking or vulcanisingApparatus therefor (moulds with incorporated heating or cooling means B29C 33/02; curing devices for plastics dental prostheses A61C 13/14; before moulding B29B 13/00) [4, 2006.01]
B29C 37/00
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Component parts, details, accessories or auxiliary operations, not covered by group B29C 33/00 or B29C 35/00 [4, 2006.01]
B29C 39/00
Particular shaping techniques, e.g. moulding, joiningApparatus therefor [4]
B29C 39/00
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Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor (B29C 41/00 takes precedence) [4, 2006.01]
B29C 41/00
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Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped articleApparatus therefor (with compacting pressure B29C 43/00) [4, 2006.01]
B29C 43/00
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Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor [4, 6, 2006.01]
B29C 44/00
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Shaping by internal pressure generated in the material, e.g. swelling or foaming [6, 2006.01]
B29C 45/00
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Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor (injection blow-moulding B29C 49/06) [4, 2006.01]
B29C 47/00
(transferred to B29C 48/00-B29C 48/14)
B29C 48/00
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Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor (extrusion blow-moulding B29C 49/04) [2019.01]
B29C 48/02
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Small extruding apparatus, e.g. handheld, toy or laboratory extruders [2019.01]
B29C 48/025
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General arrangement or layout of plant [2019.01]
B29C 48/03
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characterised by the shape of the extruded material at extrusion [2019.01]
B29C 48/04
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. . Particle-shaped (making granules B29B 9/00) [2019.01]
B29C 48/05
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. . Filamentary, e.g. strands [2019.01]
B29C 48/06
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. . Rod-shaped [2019.01]
B29C 48/07
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. . Flat, e.g. panels [2019.01]
B29C 48/08
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. . . flexible, e.g. films [2019.01]
B29C 48/09
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. . Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels [2019.01]
B29C 48/10
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. . . flexible, e.g. blown foils [2019.01]
B29C 48/11
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. . . comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped [2019.01]
B29C 48/12
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. . Articles with an irregular circumference when viewed in cross-section, e.g. window profiles [2019.01]
B29C 48/13
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. . Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes [2019.01]
B29C 48/14
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characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration [2019.01]
B29C 48/15
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incorporating preformed parts or layers, e.g. extrusion moulding around inserts [2019.01]
B29C 48/151
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. . Coating hollow articles [2019.01]
B29C 48/152
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. . . the inner surfaces thereof [2019.01]
B29C 48/153
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. . . . Coating both inner and outer surfaces [2019.01]
B29C 48/154
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. . Coating solid articles, i.e. non-hollow articles [2019.01]
B29C 48/155
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. . . Partial coating thereof [2019.01]
B29C 48/156
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. . Coating two or more articles simultaneously [2019.01]
B29C 48/157
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. . Coating linked inserts, e.g. chains [2019.01]
B29C 48/16
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Articles comprising two or more components, e.g. co-extruded layers [2019.01]
B29C 48/17
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. . the components having different colours [2019.01]
B29C 48/18
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. . the components being layers [2019.01]
B29C 48/19
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. . . the layers being joined at their edges [2019.01]
B29C 48/20
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. . . one of the layers being a strip, e.g. a partially embedded strip [2019.01]
B29C 48/21
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. . . the layers being joined at their surfaces [2019.01]
B29C 48/22
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. . . with means connecting the layers, e.g. tie layers or undercuts [2019.01]
B29C 48/23
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. . . with means for avoiding adhesion of the layers, e.g. for forming peelable layers [2019.01]
B29C 48/25
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Component parts, details or accessoriesAuxiliary operations [2019.01]
B29C 48/255
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. . Flow control means, e.g. valves (flow dividers B29C 48/695) [2019.01]
B29C 48/265
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. . Support structures or bases for apparatus, e.g. frames [2019.01]
B29C 48/27
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. . CleaningPurgingAvoiding contamination [2019.01]
B29C 48/275
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. . Recovery or reuse of energy or materials [2019.01]
B29C 48/28
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. . Storing of extruded material, e.g. by winding up or stacking [2019.01]
B29C 48/285
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. . Feeding the extrusion material to the extruder [2019.01]
B29C 48/29
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. . . in liquid form [2019.01]
B29C 48/295
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. . . in gaseous form [2019.01]
B29C 48/30
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. . Extrusion nozzles or dies (extrusion characterised by the shape or cross-section of the extruded article B29C 48/03) [2019.01]
B29C 48/305
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. . . having a wide opening, e.g. for forming sheets [2019.01]
B29C 48/31
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. . . . adjustable [2019.01]
B29C 48/315
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. . . . with parts oscillating relative to each other [2019.01]
B29C 48/32
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. . . with annular openings, e.g. for forming tubular articles [2019.01]
B29C 48/325
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. . . . adjustable [2019.01]
B29C 48/33
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. . . . with parts rotatable relative to each other [2019.01]
B29C 48/335
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. . . . Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles [2019.01]
B29C 48/34
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. . . . Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated [2019.01]
B29C 48/345
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. . . Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising [2019.01]
B29C 48/35
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. . . with rollers [2019.01]
B29C 48/355
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. . Conveyors for extruded articles [2019.01]
B29C 48/36
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. . Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die [2019.01]
B29C 48/365
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. . . using pumps, e.g. piston pumps [2019.01]
B29C 48/37
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. . . . Gear pumps [2019.01]
B29C 48/375
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. . . Plasticisers, homogenisers or feeders comprising two or more stages [2019.01]
B29C 48/38
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. . . . using two or more serially arranged screws in the same barrel [2019.01]
B29C 48/385
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. . . . using two or more serially arranged screws in separate barrels [2019.01]
B29C 48/39
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. . . . a first extruder feeding the melt into an intermediate location of a second extruder [2019.01]
B29C 48/395
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. . . using screws surrounded by a cooperating barrel, e.g. single screw extruders [2019.01]
B29C 48/40
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. . . . using two or more parallel screws, e.g. twin screw extruders [2019.01]
B29C 48/405
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. . . . . Intermeshing co-rotating screws [2019.01]
B29C 48/41
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. . . . . Intermeshing counter-rotating screws [2019.01]
B29C 48/415
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. . . . . and having partially non-intermeshing screws [2019.01]
B29C 48/42
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. . . . . Non-identical or non-mirrored screws [2019.01]
B29C 48/425
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. . . . . using three or more screws (serially arranged screws B29C 48/38, B29C 48/385) [2019.01]
B29C 48/43
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. . . . . . Ring extruders [2019.01]
B29C 48/435
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. . . . . Sub-screws [2019.01]
B29C 48/44
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. . . . . . Planetary screws [2019.01]
B29C 48/445
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. . . . Coaxially arranged screws, i.e. one within the other [2019.01]
B29C 48/45
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. . . . Axially movable screws [2019.01]
B29C 48/455
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. . . . Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions [2019.01]
B29C 48/46
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. . . using vanes [2019.01]
B29C 48/465
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. . . using rollers [2019.01]
B29C 48/47
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. . . using discs, e.g. plasticising the moulding material by passing it between a fixed and a rotating disc that are coaxially arranged [2019.01]
B29C 48/475
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. . . using pistons, accumulators or press rams [2019.01]
B29C 48/48
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. . . . Two or more rams or pistons [2019.01]
B29C 48/485
Hierarchie anzeigen
. . . . Hydrostatic extrusion [2019.01]
B29C 48/49
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. . . using two or more extruders to feed one die or nozzle [2019.01]
B29C 48/495
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. . . . Feedblocks (extrusion moulding of multi-component articles B29C 48/16) [2019.01]
B29C 48/50
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. . . Details of extruders [2019.01]
B29C 48/505
Hierarchie anzeigen
. . . . Screws [2019.01]
B29C 48/51
Hierarchie anzeigen
. . . . . with internal flow passages, e.g. for molten material [2019.01]
B29C 48/515
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. . . . . . for auxiliary fluids, e.g. foaming agents [2019.01]
B29C 48/52
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. . . . . with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance [2019.01]
B29C 48/525
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. . . . . . Conical screws [2019.01]
B29C 48/53
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. . . . . having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk [2019.01]
B29C 48/535
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. . . . . with thread pitch varying along the longitudinal axis [2019.01]
B29C 48/54
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. . . . . with additional forward-feeding elements [2019.01]
B29C 48/55
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. . . . . having reverse-feeding elements [2019.01]
B29C 48/56
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. . . . . having grooves or cavities other than the thread or the channel [2019.01]
B29C 48/565
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. . . . . having projections other than the thread, e.g. pins [2019.01]
B29C 48/57
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. . . . . provided with kneading disc-like elements, e.g. with oval-shaped elements [2019.01]
B29C 48/575
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. . . . . provided with elements of a generally circular cross-section for shearing the melt, i.e. shear-ring elements [2019.01]
B29C 48/58
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. . . . . provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt [2019.01]
B29C 48/585
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. . . . . provided with gears interacting with the flow [2019.01]
B29C 48/59
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. . . . . characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw [2019.01]
B29C 48/595
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. . . . . . the thread having non-uniform width [2019.01]
B29C 48/60
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. . . . . . Thread tops [2019.01]
B29C 48/605
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. . . . . . the thread being discontinuous [2019.01]
B29C 48/61
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. . . . . . Threads having wavy profiles [2019.01]
B29C 48/615
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. . . . . . Threads having varying helix angles [2019.01]
B29C 48/62
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. . . . . characterised by the shape of the thread channel, e.g. U-shaped [2019.01]
B29C 48/625
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. . . . . characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio] [2019.01]
B29C 48/63
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. . . . . having sections without mixing elements or threads, i.e. having cylinder shaped sections [2019.01]
B29C 48/635
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. . . . . Eccentrically rotating screwsScrews revolving around an axis other than their central axis [2019.01]
B29C 48/64
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. . . . . Screws with two or more threads [2019.01]
B29C 48/645
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. . . . . . neighbouring threads and channels having identical configurations [2019.01]
B29C 48/65
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. . . . . . neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread [2019.01]
B29C 48/655
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. . . . . . having three or more threads [2019.01]
B29C 48/66
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. . . . . . Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement [2019.01]
B29C 48/67
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. . . . . having incorporated mixing devices not provided for in groups B29C 48/52-B29C 48/66 [2019.01]
B29C 48/68
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. . . . Barrels or cylinders [2019.01]
B29C 48/685
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. . . . . characterised by their inner surfaces, e.g. having grooves, projections or threads [2019.01]
B29C 48/69
Hierarchie anzeigen
. . . . Filters or screens for the moulding material [2019.01]
B29C 48/691
Hierarchie anzeigen
. . . . . Arrangements for replacing filters, e.g. with two parallel filters for alternate use [2019.01]
B29C 48/692
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. . . . . in the form of webs displaceable for using adjacent areas consecutively [2019.01]
B29C 48/693
Hierarchie anzeigen
. . . . . Substantially flat filters mounted at the end of an extruder screw perpendicular to the feed axis [2019.01]
B29C 48/694
Hierarchie anzeigen
. . . . . Cylindrical or conical filters [2019.01]
B29C 48/695
Hierarchie anzeigen
. . . . Flow dividers, e.g. breaker plates [2019.01]
B29C 48/70
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. . . . . comprising means for dividing, distributing and recombining melt flows [2019.01]
B29C 48/71
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. . . . . . for layer multiplication (extrusion of multi-component articles B29C 48/16) [2019.01]
B29C 48/72
Hierarchie anzeigen
. . . . Feedback means, i.e. part of the molten material being fed back into upstream stages of the extruder [2019.01]
B29C 48/74
Hierarchie anzeigen
. . . . Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder [2019.01]
B29C 48/76
Hierarchie anzeigen
. . . . Venting meansDegassing means [2019.01]
B29C 48/78
Hierarchie anzeigen
. . Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling [2019.01]
B29C 48/79
Hierarchie anzeigen
. . . of preformed parts or layers [2019.01]
B29C 48/793
Hierarchie anzeigen
. . . upstream of the plasticising zone, e.g. heating in the hopper [2019.01]
B29C 48/797
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. . . . Cooling [2019.01]
B29C 48/80
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. . . at the plasticising zone, e.g. by heating cylinders [2019.01]
B29C 48/82
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. . . . Cooling (B29C 48/84 takes precedence) [2019.01]
B29C 48/84
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. . . . by heating or cooling the feeding screws (for hollow screws B29C 48/515) [2019.01]
B29C 48/85
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. . . . . Cooling [2019.01]
B29C 48/86
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. . . at the nozzle zone [2019.01]
B29C 48/87
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. . . . Cooling [2019.01]
B29C 48/875
Hierarchie anzeigen
. . . for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones [2019.01]
B29C 48/88
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. . Thermal treatment of the stream of extruded material, e.g. cooling [2019.01]
B29C 48/885
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. . . External treatment, e.g. by using air rings for cooling tubular films [2019.01]
B29C 48/89
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. . . Internal treatment, e.g. by applying an internal cooling fluid stream [2019.01]
B29C 48/90
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. . . with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article [2019.01]
B29C 48/91
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. . . Heating, e.g. for cross linking [2019.01]
B29C 48/92
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. . Measuring, controlling or regulating [2019.01]
B29C 48/94
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. . Lubricating [2019.01]
B29C 48/95
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. . . by adding lubricant to the moulding material [2019.01]
B29C 48/96
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. . Safety devices [2019.01]
B29C 49/00
Hierarchie anzeigen
Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mouldApparatus therefor [4, 2006.01]
B29C 51/00
Hierarchie anzeigen
Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor [4, 2006.01]
B29C 53/00
Hierarchie anzeigen
Shaping by bending, folding, twisting, straightening or flatteningApparatus therefor (B29C 61/10 takes precedence) [4, 2006.01]
B29C 55/00
Hierarchie anzeigen
Shaping by stretching, e.g. drawing through a dieApparatus therefor (B29C 61/08 takes precedence) [4, 2006.01]
B29C 57/00
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Shaping of tube ends, e.g. flanging, belling or closingApparatus therefor [4, 2006.01]
B29C 59/00
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Surface shaping, e.g. embossingApparatus therefor [4, 2006.01]
B29C 61/00
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Shaping by liberation of internal stressesMaking preforms having internal stressesApparatus therefor (for surface shaping B29C 59/18; for lining articles B29C 63/38; for joining preformed parts B29C 65/66) [4, 2006.01]
B29C 63/00
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Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor (B29C 73/00 takes precedence; by blowing B29C 49/00; by thermoforming B29C 51/00) [4, 5, 2006.01]
B29C 64/00
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Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering [2017.01]
B29C 65/00
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Joining of preformed partsApparatus therefor [4, 5, 2006.01]
B29C 67/00
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Shaping techniques not covered by groups B29C 39/00-B29C 65/00, B29C 70/00 or B29C 73/00 [4, 6, 2006.01, 2017.01]
B29C 69/00
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Combinations of shaping techniques not provided for in a single one of main groups B29C 39/00-B29C 67/00, e.g. associations of moulding and joining techniquesApparatus therefor [4, 2006.01]
B29C 70/00
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Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts [6, 2006.01]
B29C 71/00

B29C 71/00
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After-treatment of articles without altering their shapeApparatus therefor (B29C 44/56, B29C 73/00 take precedence; surface shaping B29C 59/00) [4, 5, 6, 2006.01]
B29C 73/00
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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 (retreading tyres B29D 30/54; devices for covering leaks in pipes or hoses F16L 55/16) [5, 2006.01]
B29D
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PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE (making granules B29B 9/00; making preforms B29B 11/00) [4]
B29K
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INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS [4]
B29L
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INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES [4]
B30
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PRESSES
B31
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MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPERWORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B32
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LAYERED PRODUCTS
B33
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ADDITIVE MANUFACTURING TECHNOLOGY [2015.01]
B41
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PRINTING
B41
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PRINTINGLINING MACHINESTYPEWRITERSSTAMPS [4]
B42
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BOOKBINDINGALBUMSFILESSPECIAL PRINTED MATTER
B43
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WRITING OR DRAWING IMPLEMENTSBUREAU ACCESSORIES
B44
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DECORATIVE ARTS
B60
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TRANSPORTING
B60
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VEHICLES IN GENERAL
B61
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RAILWAYS
B62
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LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B63
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SHIPS OR OTHER WATERBORNE VESSELSRELATED EQUIPMENT
B64
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AIRCRAFTAVIATIONCOSMONAUTICS
B65
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CONVEYINGPACKINGSTORINGHANDLING THIN OR FILAMENTARY MATERIAL
B66
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HOISTINGLIFTINGHAULING
B67
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OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERSLIQUID HANDLING
B68
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SADDLERYUPHOLSTERY
B81
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MICROSTRUCTURAL TECHNOLOGYNANOTECHNOLOGY
B81
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MICROSTRUCTURAL TECHNOLOGY [7]
B82
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NANOTECHNOLOGY [7]
B99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY

Zu vergleichende IPC-Stelle: Es wurden im Verzeichnis noch keine IPC-Stellen für die Vergleichsansicht vorgemerkt. [Version , Sprache ]