| Patents for B29C 45 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor (92,531) |
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| 07/07/1981 | CA1104508A1 Device for lubricating the tie rods of an injection molding machine |
| 06/30/1981 | US4276346 Thermoplastics articles having a surface fused to cloth |
| 06/30/1981 | US4276254 Process and mold for producing safety footwear |
| 06/30/1981 | US4276015 Method and apparatus for molding clay pigeons and the like |
| 06/30/1981 | US4276014 Nozzle device for molding plastics |
| 06/30/1981 | US4276013 Toggle action closing and locking devices for presses |
| 06/30/1981 | US4276009 Apparatus for making cast annular laminates |
| 06/30/1981 | US4275864 Method and system for cooling a mold |
| 06/30/1981 | CA1103876A1 Method and apparatus for closing tubes |
| 06/30/1981 | CA1103875A1 Molding method and molding machine |
| 06/24/1981 | EP0030931A1 Method of making work pieces, especially spectacle templates |
| 06/24/1981 | EP0030715A2 A method for deep drawing |
| 06/23/1981 | US4275030 Blocking channels with abutting plates |
| 06/23/1981 | US4275019 A modular heaping-type packing element |
| 06/23/1981 | US4274823 Wax injection molding apparatus and control system |
| 06/23/1981 | US4274617 Actuator for core or stripper of a multipart mold |
| 06/16/1981 | US4273525 Injection mold bushing |
| 06/16/1981 | US4273524 Platen type molding press |
| 06/16/1981 | US4273267 Device for extracting and proportioning pulverulent products |
| 06/16/1981 | CA1102985A1 Method of and apparatus for the injection-molding and cooling of shaped synthetic-resin bodies |
| 06/16/1981 | CA1102984A1 Method for molding blind rivet |
| 06/16/1981 | CA1102973A1 Method and means for replicating centrally apertured video disc records |
| 06/11/1981 | WO1981001544A1 Dispenser for viscous or semi-viscous materials |
| 06/10/1981 | EP0029931A1 Injection moulding process for producing crystalline polyethyleneterephthalate mouldings |
| 06/09/1981 | US4272618 Chain extended polyetherurethane copolymers, cured |
| 06/09/1981 | US4272592 Storage battery |
| 06/09/1981 | US4272475 Injection molding, pressing |
| 06/09/1981 | US4272474 Process for producing articles of ultra high molecular weight high density polyethylene |
| 06/09/1981 | US4272236 Injection nozzle provided with shut-off means |
| 06/09/1981 | US4271895 Automatic part loader unit for multi-cavity rotor die and method of operation |
| 06/09/1981 | US4271851 Process for fabricating articles from ultra high molecular weight polymer material |
| 06/09/1981 | CA1102518A1 Universal hydraulic press for simultaneous injection molding diverses layered molding materials |
| 06/03/1981 | EP0029639A1 Plastics container, method of forming same, a preform for use in forming the container and a mold unit for forming the preform |
| 06/03/1981 | EP0029491A1 Moulding tool |
| 06/02/1981 | US4270261 Method of forming fixing heads on tension springs and tension springs manufactured by this method |
| 06/02/1981 | CA1102081A1 Articulated mold for objects having undercut parts |
| 06/02/1981 | CA1102064A1 Type cork line and a process and apparatus for producing same |
| 05/28/1981 | WO1981001410A1 Polyolefin resin composition for injection molding |
| 05/26/1981 | US4269802 Process for making dual-material self-bonding lip seal |
| 05/26/1981 | US4269588 Injection molding machine |
| 05/26/1981 | US4269579 Apparatus for injection molding against a preformed web |
| 05/26/1981 | US4269259 Pull-back ram cylinder apparatus |
| 05/26/1981 | CA1101905A1 Coupling pipes |
| 05/20/1981 | EP0028994A2 Compositions and method for the encapsulation of electronic components by a mouldable material based on a thermohardenable prepolymer |
| 05/20/1981 | EP0028912A1 Container and method of making it |
| 05/20/1981 | EP0028869A1 A plastics crate or tray and a mould for injection moulding the plastics crate or tray |
| 05/20/1981 | EP0028862A1 Method and apparatus for forming a plate with at least one profiled border |
| 05/20/1981 | EP0028806A2 Multiple casting head |
| 05/19/1981 | US4268794 Self-adjusting ramp generator |
| 05/19/1981 | US4268475 Deformable membrane, ejection of air |
| 05/19/1981 | US4268474 Method of molding using a molding wheel and flexible belt |
| 05/19/1981 | US4268346 Apparatus for making tank top bags from a web of tubular plastics film provided with side folds |
| 05/19/1981 | US4268336 Method of manufacturing containers |
| 05/19/1981 | US4268243 Machine for moulding articles from thermoplastic polymeric materials |
| 05/19/1981 | US4268241 Heated injection nozzle |
| 05/19/1981 | US4268240 Actuating mechanism for gate valve of injection nozzle |
| 05/19/1981 | US4268237 Apparatus for manufacturing a tubular body provided with a sealing ring |
| 05/19/1981 | US4268003 Mold core and method and apparatus for manufacture |
| 05/19/1981 | US4267937 Tear opening device for containers |
| 05/19/1981 | CA1101346A1 Open mouth containers and method and mould core for making them |
| 05/19/1981 | CA1101173A1 Method for the treatment of rigid plastic containers and an arrangement for the carrying out of the method |
| 05/19/1981 | CA1101172A1 Forging and thermoforming hollow thermoplastic biaxially oriented articles |
| 05/14/1981 | WO1981001263A1 Method and apparatus for forming a plate with at least one profiled border |
| 05/14/1981 | WO1981001253A1 A wear-resistant rubber product and a method of making same |
| 05/13/1981 | EP0028536A2 Process for producing articles of ultra high molecular weight high density polyethylene |
| 05/13/1981 | EP0028297A1 Integrated molding with rotation and blow molding method and apparatus |
| 05/12/1981 | US4266723 Nozzle for injection molding machines |
| 05/12/1981 | US4266694 Convertible hopper mounting for injection molding machine |
| 05/12/1981 | CA1100729A1 Injection molding screw for processing heat sensitive polymeric materials |
| 05/12/1981 | CA1100728A1 Method of reducing internal stresses and improving the mechanical properties of injection molded thermoplastic resins |
| 05/12/1981 | CA1100727A1 Edge protector for table top or the like |
| 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 |
| 05/06/1981 | EP0027914A1 An oriented Plastics preform for making an open mouth container |
| 05/05/1981 | US4265850 Process and apparatus for the production of spectacle frame parts of synthetic material |
| 05/05/1981 | US4265297 Apparatus for detachably mounting molds |
| 04/29/1981 | EP0027788A1 Die-casting mould for producing fittings and pipe joints of thermoplastics |
| 04/29/1981 | EP0027770A1 Method of constructing a ball joint and fixture for use in that method |
| 04/29/1981 | EP0027616A1 Backflow barrier at the screw head of screw injection moulding machines |
| 04/29/1981 | EP0027552A1 Process for producing a slip-obturator band and projectiles provided with such a band |
| 04/29/1981 | EP0027532A1 Process for producing plastics keyboard buttons provided with different characters |
| 04/28/1981 | US4264758 Containing a curing amount of salicylic acid and methyliminobis propylamine |
| 04/28/1981 | US4264661 Crosslinking in mold by irradiation |
| 04/28/1981 | US4264557 Phenolic resins with improved low temperature processing stability |
| 04/28/1981 | US4264487 Acrylate rubber modification of aromatic polyesters |
| 04/28/1981 | US4264295 Injection moulding |
| 04/28/1981 | US4264222 Method of making the hub of a printing wheel for impact printers and print wheel obtained thereby |
| 04/28/1981 | US4263711 Method of making armature of double insulation construction |
| 04/28/1981 | CA1099880A1 Molded plastic article having an insert therein and a process for forming same |
| 04/22/1981 | EP0027212A1 Automatic device for controlling the moving and locking device of a mould |
| 04/21/1981 | US4263247 Resin-foam laminate |
| 04/21/1981 | US4262518 Tube expander and method |
| 04/21/1981 | CA1099466A1 Vehicle wheel pneumatic tyres and the manufacture thereof |
| 04/16/1981 | WO1981000983A1 A machine for injection moulding or extruding plastic material a vailable in packaged form |
| 04/14/1981 | US4261949 Process for formation of molecularly oriented plastic bottles |
| 04/14/1981 | US4261948 Method of increasing the wall thickness of a bottom structure of a blown plastic material container |
| 04/14/1981 | US4261947 Method for manufacturing hollow plastic articles by joining hollow molded portions by a molded joint |
| 04/14/1981 | CA1099417A1 Substrate plate device having intergrated synthetic resin members |
| 04/14/1981 | CA1099065A1 Manufacture of plastic containers |
| 04/08/1981 | EP0026728A2 Cast tire & method of manufacturing |