Patents for B29C 33 - Moulds or cores; Details thereof or accessories therefor (38,496)
11/1980
11/04/1980US4231556 Apparatus for holding hollow wall panels while they are filled with foamed plastic
11/04/1980CA1088721A1 Apparatus for forming shaped articles, methods of shaping articles and shaped articles formed thereby
11/04/1980CA1088711A1 Multilevel embossing of sheet foam materials
11/04/1980CA1088710A1 Tire mold
10/1980
10/28/1980US4230328 Device for connecting an ejection pin of an injection molding tool or the like to an ejector device
10/21/1980US4229405 Continuous method for forming thermoplastic slab stock
10/21/1980CA1087825A1 Hot pressing lignocellulosic material mixed with a binding agent
10/15/1980EP0017362A1 Method for producing lightweight mirrors with curved reflecting surfaces
10/14/1980US4228116 Process for producing remoldable panels
10/14/1980US4227673 Gasket for casting lenses
10/14/1980CA1087573A1 Valve apparatus and method of making same
10/14/1980CA1087529A1 Method of lubrication
10/07/1980US4226825 Roughening by film edge by deformation
10/07/1980US4226580 Apparatus for producing thermoplastic tubing
10/07/1980CA1087336A1 Aqueous polysiloxane emulsions with mica treated with organosilicon compound
10/07/1980CA1086911A1 Method of making a shaft seal
09/1980
09/30/1980US4225302 Tank forming mandrel with tank bottom mold
09/30/1980US4225109 Insulated metal mold
09/30/1980CA1086769A1 Fluorosulphonyl oxafluoroalkanes, their derivatives, fluorosulphonyl olefines, their copolymers and processes for their preparation
09/30/1980CA1086621A1 Turn-up or turn-over bladder for tire building machines
09/30/1980CA1086464A1 Curing mold and process for curing replaceable tread and track belts
09/30/1980CA1086463A1 Leak-detecting apparatus
09/30/1980CA1086462A1 Method of retreading vehicle tires using microwave heating
09/30/1980CA1086461A1 Method of retreading vehicle tyres
09/23/1980US4223865 Molding assembly for forming winding arbors
09/16/1980US4222808 Ski manufacturing process
09/16/1980US4222723 Molds for injection molding of continuous slide fastener chain
09/09/1980US4221758 Method of embossing wood grain patterns
09/03/1980EP0015202A1 Annular gasket for use in the casting of ophthalmic or optical lenses of organic material, and method of using such a gasket
09/03/1980EP0015181A1 Process for the moulding of articles from synthetic material
09/02/1980US4220727 Method of molding polyurethanes having mold release properties
09/02/1980CA1084827A1 Method and apparatus for making power transmission belting
09/02/1980CA1084749A1 Roller
08/1980
08/26/1980US4219321 Device for making discs
08/26/1980US4219317 Device for producing hollow molded members
08/26/1980CA1084221A1 Core removal apparatus
08/20/1980EP0014247A2 Installation unit realized by the incorporation of an element, e.g. a sink, in a cutout of a plate, and process for the production of this unit
08/19/1980US4218420 Supporting to provide precision outside surface
08/19/1980US4218353 External lubricant compositions for rigid vinyl polymers
08/19/1980US4218276 Reinforcement
08/19/1980US4218205 Three-section self-sealing dental flask
08/19/1980US4218203 Multi-station reaction injection molding apparatus
08/19/1980CA1084145A1 Method of compensating for the roll deflection in a calender
08/19/1980CA1083766A1 Apparatus for producing thermoplastic tubing
08/19/1980CA1083765A1 Apparatus for producing thermoplastic tubing
08/19/1980CA1083764A1 Apparatus for dispensing cap lining material
08/12/1980US4217394 Metal molds coated with oxidative stable polyoxyalkylene release agents
08/12/1980US4217325 Method using modular slush molding machine
08/12/1980US4217324 Process for molding antifriction nylon member
08/12/1980US4217163 Advancing arrangement with adjustable stepwise advancing distance
08/05/1980US4215730 Method and apparatus for depositing material into a moving receptacle
08/05/1980US4215459 Method of removing hose from a mandrel and a mandrel adapted to the method
08/05/1980CA1082869A1 Method and device for manufacturing an air-permeable lining material
08/05/1980CA1082865A1 Machine for performing in one single operating cycle the molding and curing of a tread ring for pneumatic tires
07/1980
07/29/1980US4214860 Apparatus for blow molding hollow articles, in particular bottles
07/29/1980US4214857 Multi-roll calender
07/29/1980CA1082436A1 Belt press
07/29/1980CA1082412A1 Time delay before post cure inflation
07/23/1980EP0013557A2 Method of laminating sheets and a press comprising two plates for the application of this method
07/23/1980EP0013437A1 Apparatus for the fabrication of tyres with segmented cores
07/22/1980US4213932 Apparatus and method of molding a biconical socket
07/22/1980CA1081903A1 Mold release agent
07/15/1980US4212623 Apparatus for cooling plastic injection mold dies
07/15/1980US4212622 Product take out devices for use in molding machines
07/15/1980US4212621 Bladder molding
07/15/1980US4212614 Disc brake holding device for pivotal elements of expandable plastics molds
07/15/1980CA1081418A1 Method and apparatus for producing foamed articles
07/15/1980CA1081413A1 Pneumatic tire mold
07/09/1980EP0013260A1 Method and mould for producing a shoe with a sole made of plastics of at least three colours
07/09/1980EP0013197A1 Method for the manufacture of safety footwear for professional use
07/09/1980EP0013154A1 Method of and apparatus for runnerless injection-compression molding thermosetting materials
07/09/1980EP0013119A1 Apparatus for runnerless injection-compression molding thermosetting materials
07/09/1980EP0013118A1 An injection nozzle and an injection molding machine for molding thermosetting materials
07/08/1980US4211384 Molding assembly for casting soft contact lenses
07/08/1980CA1080922A1 Moulds
07/01/1980US4210620 Pivot assembly mold method
07/01/1980US4210043 Cutting assembly
07/01/1980CA1080897A1 Fabrication of foamed articles
06/1980
06/25/1980EP0012589A1 A method of moulding shaped articles and an apparatus for carrying out the method
06/25/1980EP0012314A1 Method and apparatus for forming a liner in a container closure
06/24/1980US4209485 Method of making a valve apparatus
06/24/1980US4209482 Method of producing shaped bodies of reinforced synthetic resin
06/24/1980US4209289 Contact lens mold
06/24/1980US4209161 Collapsible core for casting molds
06/24/1980US4209160 Articulated mold for objects having undercut parts
06/24/1980CA1079915A1 Curing rim
06/17/1980US4208574 Temperature controllable heater plate for molds
06/17/1980US4208365 Flexible rim
06/17/1980US4208364 Process for the production of contact lenses
06/10/1980CA1079220A1 Radiation cure of rubber sheets
06/10/1980CA1079134A1 Manufacturing process of sheets made from a mixture of vegetable fibers and polyolifins
06/10/1980CA1079014A1 Method of injection-blow molding biaxially-oriented hollow plastic containers
06/03/1980US4206166 Process of producing polyolefin foam moldings
06/03/1980CA1078573A1 Process for the manufacture of molded articles from polyolefins with molecular weights of at least one million
06/03/1980CA1078568A1 Blow-molding unit for synthetic plastic materials
05/1980
05/28/1980EP0011538A1 Mould for producing plastics articles by high-frequency heating and method of making the same
05/27/1980US4205160 Indane containing polymers
05/27/1980US4204825 Foam mold clamp assembly
05/27/1980US4204822 Moulding machine
05/27/1980US4204820 Slab forming conveying line