Patents for B29C 33 - Moulds or cores; Details thereof or accessories therefor (38,496) |
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06/25/1981 | WO1981001680A1 Apparatus and method of forming the mounting portion of a sidewall protector |
06/24/1981 | EP0030918A1 Method and apparatus for applying a sealing film strip to the edge of a blank |
06/24/1981 | EP0030643A1 Method of improving release properties of a mold for plastic parts |
06/23/1981 | US4275091 Method of duplicating plastics information carriers |
06/23/1981 | US4274856 Method for developing a release surface on a glass mold |
06/23/1981 | US4274822 Apparatus for forming seal liners of thermoplastic material within closure cap shells |
06/23/1981 | US4274820 Lock system for tire curing apparatus |
06/23/1981 | US4274617 Actuator for core or stripper of a multipart mold |
06/17/1981 | EP0030310A1 Internal release agent for heat-curable aminoplast resins, process for its production and its use |
06/17/1981 | EP0030247A1 Moulding apparatus for toy construction-elements |
06/16/1981 | US4273737 Method and apparatus for manufacturing furniture |
06/16/1981 | US4273604 Heat bonding device |
06/16/1981 | CA1103139A1 Composite strip, a process for the manufacture thereof and a process for producing a sterile package including the composite strip |
06/16/1981 | CA1102978A1 System for feeding raw elastomer products to vulcanising autoclaves |
06/16/1981 | CA1102976A1 Hub assembly |
06/16/1981 | CA1102975A1 Retreading stacked tires |
06/10/1981 | EP0029912A2 Mould-half, in particular laminating mould-half |
06/09/1981 | US4272476 Manufacture of ball nut with internal crossover path for ball recirculation |
06/09/1981 | US4272475 Injection molding, pressing |
06/09/1981 | US4272473 Method for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll |
06/09/1981 | US4272313 Method of manufacturing a metal cap with a lining affixed thereto at selected areas |
06/09/1981 | US4272309 Polymer, curing, collapsing |
06/09/1981 | US4272049 Mould for moulding specimen blocks to be cut in a microtome or an ultramicrotome |
06/03/1981 | EP0029608A1 Process for producing deep-drawn articles from plastic sheet material, foamed-up with a foam material |
06/02/1981 | US4271116 Composite structure |
06/02/1981 | US4270964 Method and apparatus for reinforcing a layer of plastics material |
06/02/1981 | CA1102081A1 Articulated mold for objects having undercut parts |
05/26/1981 | US4269669 High speed electroplating |
05/26/1981 | US4269640 Precision heat forming of tetrafluoroethylene tubing |
05/26/1981 | US4269586 Heated platen |
05/26/1981 | CA1101905A1 Coupling pipes |
05/26/1981 | CA1101795A1 Method for manufacturing an embossed vinyl surface covering having a clear photopolymerized coating |
05/20/1981 | EP0028718A2 Mold equipment |
05/19/1981 | US4268557 Process and mold for producing padded seat backs, and the product obtained |
05/19/1981 | US4268475 Deformable membrane, ejection of air |
05/19/1981 | US4268473 Aluminum-filled epoxy embossing caul and means for production |
05/19/1981 | US4268469 Method of enveloping articles with thermoplastic strip material |
05/19/1981 | US4268238 Flow molding |
05/19/1981 | US4268034 Bowling ball |
05/19/1981 | CA1101169A1 Conductive plastic with metalized glass fibers retained in partial clumps |
05/13/1981 | EP0028450A2 Manufacture of thermoplastics pipe |
05/12/1981 | US4267237 Molded preformed polytetrafluoroethylene structures |
05/12/1981 | US4267147 Curing strips of mat impregnated with a thermosetting resin on a mold outside an autoclase; aircraft; boats; swimming pools |
05/12/1981 | US4267145 Which include from 5 to 20 parts by weight of polyoxyalkylene glycols |
05/12/1981 | US4267137 Method for molding sheet material with parallel ribs on one side |
05/12/1981 | US4266921 Method and apparatus for the manufacture of concrete and like products |
05/12/1981 | US4266750 Device for manufacturing boots and the like of elastomeric material |
05/12/1981 | CA1100731A1 Molded rubber article and method |
05/06/1981 | EP0028066A2 A method for making a length of thermoplastics pipe by the radial expansion of a pipe blank within a circular cross-section mould |
05/06/1981 | EP0028065A2 Apparatus for use in the manufacture of thermoplastics pipe by the radial expansion of a pipe blank within a circular cross-section mould |
05/05/1981 | US4265850 Process and apparatus for the production of spectacle frame parts of synthetic material |
04/29/1981 | EP0027543A1 Method and apparatus for continuously manufacturing single or plural layer reinforced webs of thermo-setting plastics |
04/28/1981 | US4264544 Method of molding a rigid integral skin foamed resin product in a mold having a vented lid |
04/28/1981 | US4264293 Vented heated platen |
04/22/1981 | EP0027191A1 Polyamide release film for sheet molding compound, sheet compound prepared therewith and process of making |
04/21/1981 | US4263414 For molded articles |
04/21/1981 | US4263350 Silane release surfaces on glass |
04/21/1981 | US4263250 Applying mixture of polyether, polyether-polysiloxane copolymer |
04/21/1981 | US4263249 Method for producing reinforced plastic tubular body having annular grooves, and mold therefor |
04/21/1981 | US4263237 Injecting fluid into bore in molded elastomeric body |
04/21/1981 | US4263083 Building and curing an inextensible belt structure for a tire assembly |
04/21/1981 | US4263073 Separating with alginate-coated sheets |
04/21/1981 | US4262875 Information record stampers |
04/21/1981 | US4262719 Tire liner and method of preparation |
04/21/1981 | CA1099850A1 Process for the continuous melt thermoforming of foamed polyamide structures |
04/15/1981 | EP0026874A1 Device for comparison measurement and regulation of the flow of ingredients in mixing apparatuses for multicomponent plastics |
04/14/1981 | US4262049 Foraminous elastomeric sheet material |
04/14/1981 | CA1099066A1 Device for facilitating the bending and forming of plastic pipe or other structures |
04/08/1981 | EP0026247A1 Method of making an ear insert and ear insert made by this method |
04/07/1981 | US4260578 Method and apparatus for making elastomer sheet material |
04/07/1981 | US4260359 Apparatus for runnerless injection molding thermosetting materials |
04/07/1981 | CA1098708A1 Composite molded article and method of making the same |
04/07/1981 | CA1098675A1 Thermoplastic resin molding of complex decorative relief |
04/07/1981 | CA1098672A1 Transfer molding venting system |
04/02/1981 | WO1981000818A1 Release coatings |
04/01/1981 | EP0025995A2 Fastening device for an injection tool of an injection moulding machine |
03/31/1981 | US4259286 Aluminum oxide particles adhered to texturing cylinder |
03/31/1981 | US4259285 Process for embossing polyvinylchloride sheets |
03/31/1981 | US4258620 Tool fastening means for a press |
03/31/1981 | CA1098267A1 Method and device for manufacturing information carriers |
03/25/1981 | EP0025541A2 Process and apparatus for producing tubular elements of polyurethane multi-component reactive materials |
03/24/1981 | US4257998 For jet engine; heat curing |
03/24/1981 | US4257988 Method and assembly for molding optical lenses |
03/24/1981 | US4257756 Apparatus for forming shaped articles |
03/24/1981 | US4257755 Molding system and method |
03/24/1981 | CA1097958A1 Ocular membrane and method for preparation thereof |
03/24/1981 | CA1097876A1 Metallic soap as release agent for moulding composite articles having isocyanate-based binding agent |
03/24/1981 | CA1097875A1 Synthetic resin cured in place rotary embossing counter and method of preparing same |
03/18/1981 | EP0025127A1 Method of making games racket frame |
03/17/1981 | US4256803 Phenolic resin foam |
03/17/1981 | US4256687 Process for producing molded articles |
03/17/1981 | CA1097474A1 Cooling system for plastic molds |
03/11/1981 | EP0024622A1 Process and apparatus for manufacturing a flat hose |
03/11/1981 | EP0024610A1 Method of filling cavities of forming devices, with a reactive mixture of at least two liquid reaction components forming a solid plastics material |
03/10/1981 | US4255221 Surfboard and method and apparatus for making surfboards and like molded structures |
03/05/1981 | WO1981000583A1 Foil holder for releasable attachment of foil parallel to a support and tooling for manufacture of the foil holder |
03/05/1981 | WO1981000573A1 Vulcanizable blend of bromine-containing fluoropolymer and fluorosilicone gum |
03/03/1981 | US4254030 Fluorosulphonyl oxafluoroalkanes fluorosulphonyl olefines and processes for their preparation |
03/03/1981 | US4254000 Of epoxy-modified polytetrafluoroethylene as a molding release agent, with initial condensation products of amino, amide, and phenol-formaldehyde resins as hardeners |
03/03/1981 | US4253895 Applying vacuum for lateral compression of glass |