| Patents for B29C 43 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor (26,518) |
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| 03/17/1981 | US4256448 Roller die |
| 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 | US4255368 Structural foam molding process |
| 03/10/1981 | US4255221 Surfboard and method and apparatus for making surfboards and like molded structures |
| 03/10/1981 | US4254960 Sealing device |
| 03/10/1981 | CA1097440A1 X-ray patient support stretcher and method for fabrication |
| 03/04/1981 | EP0024330A1 Method for the manufacture of articles from a multicomponent reactive mixture |
| 03/03/1981 | US4254078 Revolving hydraulic press with heated platen |
| 03/03/1981 | US4254030 Fluorosulphonyl oxafluoroalkanes fluorosulphonyl olefines and processes for their preparation |
| 03/03/1981 | US4253812 Apparatus for heading plastic safety pins for inflation manifolds |
| 02/25/1981 | EP0024196A1 A method for the rotary forming of articles |
| 02/24/1981 | US4252760 Method and apparatus for manufacturing articles by pressing and sintering |
| 02/24/1981 | US4252594 X-ray patient support stretcher and method for fabrication |
| 02/24/1981 | US4252591 Corrugating apparatus and process |
| 02/24/1981 | US4252513 Process for curing thermosetting resins and elastomers |
| 02/24/1981 | CA1096125A1 Mold and method for shaping and curing reinforced plastic material |
| 02/24/1981 | CA1096121A1 Injection molding divers articles in selectably ordered sequence |
| 02/17/1981 | US4251474 Annular gasket for moulding lenses for organic material |
| 02/17/1981 | US4251309 Method of making rotor blade root end attachment |
| 02/17/1981 | US4250606 Method of processing roll |
| 02/10/1981 | US4250002 Polymeric microporous separators for use in electrolytic processes and devices |
| 02/10/1981 | US4249977 Method for making close tolerance laminates |
| 02/10/1981 | US4249975 Vulcanized silicone rubber |
| 02/10/1981 | US4249882 Die casting system for the production of rubber mouldings |
| 02/10/1981 | US4249876 Control of plastics extrusion |
| 02/10/1981 | US4249872 Apparatus for producing foamed plastic type cork lines |
| 02/03/1981 | US4249066 Press platen for belt press |
| 02/03/1981 | US4248915 Grooves and ridges to extend anchoring surface |
| 02/03/1981 | US4248822 Process and apparatus for producing a moisture-permeable film |
| 02/03/1981 | US4248818 Process for making a record |
| 01/28/1981 | EP0022778A1 Radial lip seal and method of making it |
| 01/27/1981 | US4247513 Hot pressing cured foam rubber sheet with uncured rubber sheet |
| 01/27/1981 | US4247510 Process for depositing an elastomeric or thermosetting bank on a support |
| 01/27/1981 | US4247278 Pressing machine arrangement |
| 01/27/1981 | CA1094276A1 Method of making a trim strip |
| 01/27/1981 | CA1094274A1 Multilevel embossing of foamed-sheet materials- ii |
| 01/21/1981 | EP0022664A1 Plastics film material with tearable lines |
| 01/21/1981 | EP0022611A1 Electrical devices comprising PTC conductive polymer elements |
| 01/20/1981 | US4246390 Molding powder of ultra-high molecular weight polyethylene and process for its preparation |
| 01/20/1981 | US4246361 Method for producing flame- and smoke-resistant polyurethane foam sheet by incorporation of a urea derivative in reaction mixture |
| 01/20/1981 | US4246315 Carrier materials impregnated with thermosetting resins, process for their manufacture and their use |
| 01/20/1981 | US4245976 Nozzle valve for in-the-mold coating apparatus |
| 01/20/1981 | US4245811 Press mould half, more especially for producing records |
| 01/13/1981 | US4245006 Low-pressure low-temperature in-mold coating method |
| 01/13/1981 | US4244886 Fluorosulphonyl oxafluoroalkanes and their derivatives |
| 01/13/1981 | US4244841 Curing with sulfur and zinc stearate |
| 01/13/1981 | US4244683 Apparatus for compression molding of retroreflective sheeting |
| 01/13/1981 | CA1093728A1 Thermosetting compositions for injection molding |
| 01/13/1981 | CA1093451A1 Decorative laminate comprising an inherently gluable backing sheet and processes for making same |
| 01/13/1981 | CA1093378A1 Method and apparatus for texturing the surface of non- woven fabrics and films |
| 01/07/1981 | EP0022009A1 Mould assembly for moulding elastomers |
| 01/07/1981 | EP0021705A1 Audio and video discs and a method of manufacture thereof |
| 01/07/1981 | EP0021691A1 Process for preparation of vessel closures provided with liners and bottles sealed by such closures |
| 01/07/1981 | EP0021669A1 Apparatus and method for preparing flexible diaphragms |
| 01/07/1981 | EP0021656A2 Method and apparatus for forming moulded articles from a blank sheet and insole thus produced |
| 01/07/1981 | EP0021638A1 Method and apparatus for forming a gasket and its use |
| 01/07/1981 | EP0021579A1 Method and apparatus for the manufacture of plastics articles |
| 01/07/1981 | EP0020406A1 Method and device for the continuous manufacturing of a conveyor belt |
| 01/06/1981 | US4243620 Method of manufacturing an object in plastics material and object obtained thereby |
| 01/06/1981 | US4243368 Apparatus for making a stress-free plastic article |
| 01/06/1981 | US4243367 Device for pressing objects made from a thermoplastic material, and particularly phonographic records |
| 12/30/1980 | US4242306 Plastics |
| 12/30/1980 | US4242070 Shape of cut for semicure butyl rubber bag |
| 12/30/1980 | CA1092314A1 Process for the manufacture of crosslinked thermoplastic items and device used in connection therewith |
| 12/23/1980 | CA1091882A1 Thermoplastic duplication plate making method |
| 12/16/1980 | US4239808 In-mold coating of sheet molding compound moldings |
| 12/16/1980 | US4239721 Process for the manufacture of patterned urea thermoplastic molding compound preforms to be used for the production of consistently patterned buttons with molded holes |
| 12/16/1980 | US4239717 Compression molding procedure for liquid polyester resins |
| 12/16/1980 | US4239245 Curing thermosetting polyurethane |
| 12/10/1980 | EP0020248A1 Apparatus for moulding cylindrical pieces |
| 12/10/1980 | EP0020081A1 Laminates comprising an electrode and a conductive polymer, and process and apparatus for their production |
| 12/10/1980 | EP0020008A1 High-speed plating arrangement and stamper plate formed using such an arrangement |
| 12/09/1980 | US4238181 Method and apparatus for runnerless injection-compression molding thermosetting materials |
| 12/09/1980 | US4238179 Arrangement for pressing flexible discs and a pressing process using this arrangement |
| 12/09/1980 | US4238176 Apparatus for producing sheet resinous materials |
| 12/09/1980 | CA1091381A1 Silicone containing reaction injection molded polyurethanes |
| 12/09/1980 | CA1090969A1 Circular extrusion method and apparatus involving rotation around the die axis |
| 11/27/1980 | WO1980002528A1 Method of fabricating a composite structure |
| 11/26/1980 | EP0019382A1 Improved dielectric embossing of foam |
| 11/26/1980 | EP0019149A1 Molding process and apparatus therefor |
| 11/25/1980 | US4235833 In-the-mold coating apparatus and method |
| 11/25/1980 | US4235577 Automatic curing cycle control system |
| 11/25/1980 | US4235136 Trimming disc records |
| 11/25/1980 | US4235119 Toothed belt |
| 11/18/1980 | US4234337 Method of producing sintered friction laminae |
| 11/18/1980 | US4234300 Edge embossing device |
| 11/12/1980 | EP0018610A1 Corrugating apparatus and process |
| 11/11/1980 | US4233261 Method and device for manufacturing information carriers |
| 11/11/1980 | US4232622 Method of making a container closure |
| 11/04/1980 | US4231832 Process of manufacturing laminated web |
| 11/04/1980 | CA1088711A1 Multilevel embossing of sheet foam materials |
| 10/29/1980 | EP0018210A1 Moulding apparatus for record discs |
| 10/21/1980 | US4229548 Process for the preparation of organopolysiloxane moulding compositions which give fine-pored elastomeric foam mouldings |
| 10/21/1980 | US4229405 Continuous method for forming thermoplastic slab stock |
| 10/21/1980 | US4229401 Method of making golf balls |
| 10/21/1980 | US4229398 Binding and curing |
| 10/21/1980 | US4229397 Method for forming fiber-reinforced composite material |
| 10/15/1980 | EP0017452A1 Method of making a shaped structure |
| 10/15/1980 | EP0017041A1 Apparatus for producing a reaction mixture constituting massive or cellular materials from reaction components exhibiting fluidity and for conveying it into a mold |
| 10/14/1980 | US4228116 Process for producing remoldable panels |