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