| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 04/06/1982 | US4323528 Method and apparatus for making large size, low density, elongated thermoplastic cellular bodies |
| 04/06/1982 | US4323410 Method of manufacturing seat cushions |
| 04/06/1982 | US4323406 For motor vehicle doors |
| 04/06/1982 | CA1121121A1 Extrusion apparatus and method |
| 03/30/1982 | US4322260 Process for the continuous extrusion forming of a plastic double-walled foam-core conduit |
| 03/24/1982 | EP0048198A1 Moulds conceived for making objects of expanded non-polar plastics using ultra-high frequency radiation |
| 03/23/1982 | CA1120223A1 Method of densifying open-celled polyurethane material |
| 03/10/1982 | EP0047039A1 Polyolefin powder compositions, in particular polyethylene powder compositions, with improved adhesion, and objects made or to be made of such compositions |
| 03/10/1982 | EP0047038A1 Polyolefin layer with improved adhesion to a plastic substrate |
| 03/09/1982 | US4318761 Plastics, constriction, expansion, curing, faces of different profile, rotation |
| 03/09/1982 | CA1119480A2 Method of marking a point on an object covered with foamable liquid |
| 03/08/1982 | EP0025063A4 Low density, extruded ethylenic polymer foams. |
| 03/04/1982 | WO1982000649A1 Methods and apparatus for producing foamed thermoplastics materials and articles |
| 02/23/1982 | CA1118568A1 Process for injection molding thermoplastic articles with reduced combustibility |
| 02/18/1982 | WO1982000440A1 Method and apparatus for making large size,low density,elongated thermoplastic cellular bodies |
| 02/16/1982 | US4315996 Hardened polyurethane binder |
| 02/16/1982 | US4315726 Distributing device for machines for injection molding of thermoplastic parts with solid skin and cellular core |
| 02/16/1982 | CA1118173A1 Extrusion apparatus |
| 02/09/1982 | US4314955 Bubble-free polyurethanes |
| 02/09/1982 | US4314954 Injection molding |
| 02/09/1982 | US4314867 Thermoplastic polyurethane foam, unsaturated polyester |
| 02/04/1982 | WO1982000297A1 Production of synthetic plastics foam material |
| 02/03/1982 | EP0044882A1 Process for the continuous production of foam filled hollow metal sections |
| 02/02/1982 | US4314036 Unsaturated polyester resin foams and products containing the same |
| 02/02/1982 | US4313776 Method of producing seat cushion member |
| 01/27/1982 | EP0044478A1 Method and apparatus for producing polymer foam |
| 01/26/1982 | US4312946 Preparation and use of enzymes bound to polyurethane |
| 01/26/1982 | US4312827 Applying heated embossing tools |
| 01/26/1982 | US4312820 Process and apparatus for nucleation control adapted for reaction injection molding of cellular products |
| 01/20/1982 | EP0044226A1 Production of synthetic plastics foam material |
| 01/20/1982 | EP0044147A2 Shaped articles formed from polymers capable of exhibiting anisotropic melts |
| 01/20/1982 | EP0044108A1 Method and apparatus for applying foam to a flat panel |
| 01/20/1982 | EP0044083A1 Method of producing foam-padded deep-drawn plastic articles |
| 01/20/1982 | EP0044000A1 Method and apparatus for producing a smooth-lined corrugated pipe |
| 01/19/1982 | US4311541 Panel and method for the preparation thereof |
| 01/19/1982 | CA1116614A1 Isomerization of 2-cyano-3-azabicyclo(3.1.0)hexane compounds |
| 01/13/1982 | EP0043543A1 Device for producing multi-layer moulded thermoplastic articles |
| 01/12/1982 | CA1115913A1 Adjustable apparatus for producing a foam material |
| 01/12/1982 | CA1115903A1 Pad member and method and apparatus for manufacture thereof |
| 01/06/1982 | EP0042842A1 Foam sandwich construction. |
| 01/05/1982 | US4309373 Process for filling cavities with flowable reaction mixtures |
| 01/05/1982 | US4309160 Apparatus for forming foam-skin insulation on telephone wires |
| 12/29/1981 | US4308352 Process of extruding polysulfone foam |
| 12/29/1981 | US4307756 Thermally insulated tubing |
| 12/24/1981 | WO1981003640A1 Method of making boat hulls,vehicle bodies,containers and similar shell structures,and a tube lattice for use in making such structures |
| 12/15/1981 | CA1114428A1 Foam dispensing nozzle and method |
| 12/15/1981 | CA1114121A1 Apparatus and method for manufacturing thin walled articles from expanded plastics material |
| 12/10/1981 | WO1981003461A1 Crosslinked vinyl chloride resin foam and process for manufacturing the same |
| 12/08/1981 | US4304810 Apparatus for and method of making foam articles having densified reinforcing regions |
| 12/08/1981 | US4304537 Extruder head for regulating a process of applying a foamed plastic insulation to telephone wires |
| 12/08/1981 | CA1113673A1 Panels |
| 12/02/1981 | EP0040824A2 Process for continuously manufacturing bi-compound shaped articles and the bi-compound shaped articles so obtained |
| 12/01/1981 | US4303728 Method for producing foamed composite panels and resultant product |
| 12/01/1981 | US4303602 Process for the production of composite foamed material |
| 11/24/1981 | US4302549 Method of preparing expandable polystyrene |
| 11/24/1981 | US4302489 Process for producing a foam sheet having an embossed pattern |
| 11/24/1981 | US4302410 Method producing a color coded, cellular thermoplastic resin coated wire and the materials necessary for the coating |
| 11/24/1981 | US4302409 Method for the extrusion of thermoplastic material composites |
| 11/18/1981 | EP0039856A1 Apparatus for producing a reactive mixture to form a homogeneous material or foam from at least two inter-reacting components |
| 11/10/1981 | US4299883 Compression molding of polycarbodiimide foams |
| 11/04/1981 | EP0039201A1 Temperature controlling apparatus for use in preparing resin foams |
| 11/04/1981 | EP0039041A2 Apparatus for applying, especially, a foam forming reactive mixture from at least two flowable components on a moving substrate |
| 11/03/1981 | US4298557 Method and apparatus for the preparation of foamed structures |
| 11/03/1981 | US4298556 Method for matched die molding a fiber reinforced polyurethane foam molded product |
| 11/03/1981 | US4298324 Apparatus for molding particulate expandable thermoplastic resin material using microwave heating |
| 11/03/1981 | US4298323 Apparatus for molding laminated foam-body panels |
| 11/03/1981 | US4297860 Device for applying foam to textiles |
| 11/03/1981 | CA1111754A1 Method of controlling foaming of cabinet insulation |
| 10/29/1981 | WO1981003085A1 Method of making a dam for a communication cable |
| 10/28/1981 | EP0038481A1 Method and apparatus for producing moulded pieces of unsaturated polyester polymers |
| 10/28/1981 | EP0038463A2 Process for preparing polyurethane articles |
| 10/28/1981 | EP0038388A1 Foam dispensing nozzle and method and apparatus for transporting laminates comprising a foamable plastics material using a nozzle |
| 10/27/1981 | US4296799 Solar water tank and method of making same |
| 10/21/1981 | EP0037987A2 Method for the manufacture of foamed core-supported moulded articles such as wings, rotor blades, etc. of great dimension in length and width |
| 10/20/1981 | US4296055 Method of injection molding thermoplastic resinous products substantially free from sink marks, swirls and related blemishes |
| 10/20/1981 | US4296054 Method for production of polyurethane cushion material |
| 10/20/1981 | US4296053 Molding, fusing and curing |
| 10/20/1981 | US4295810 Apparatus for insulating building blocks |
| 10/20/1981 | US4295629 Mould assembly for use in the manufacture of spherical or substantially spherical articles |
| 10/20/1981 | CA1110814A1 Sequential co-injection unit adapted for structural foam molding |
| 10/14/1981 | EP0037470A1 Process for preparing elastic foams based on melamine formal dehyde condensation products |
| 10/13/1981 | US4294880 Foamed polyurethane articles with skin and a method for producing the same |
| 10/13/1981 | US4294787 Method of producing reinforced composite racket frame |
| 10/13/1981 | US4294786 Multilayer, plastic, foaming |
| 10/13/1981 | US4294277 Flow control apparatus |
| 10/07/1981 | EP0037173A1 Apparatus and method for producing foam sheet and board products using upstream edge dams |
| 10/06/1981 | US4293511 Processes and production apparatus for rigid cellular materials comprising polyvinyl chloride |
| 09/30/1981 | EP0036697A1 Process of making products consisting of foamed and/or cross-linked synthetic polymers |
| 09/29/1981 | US4292363 Reinforced with a mesh of glass fibers strands |
| 09/29/1981 | US4292263 One-piece with a fabric; molding |
| 09/29/1981 | US4292101 High density precision walled, laminated |
| 09/29/1981 | US4292019 Extruded plastic foam shaping apparatus |
| 09/29/1981 | CA1109621A1 Screw extruder for thermoplastic synthetic foams |
| 09/29/1981 | CA1109619A1 Method of making lightweight, rigid thermoplastic pipe |
| 09/22/1981 | CA1109528A1 Apparatus and process for making particles from pre- expanded plastic materials |
| 09/16/1981 | EP0035916A1 Conversion apparatus for injection moulding machines |
| 09/15/1981 | US4289717 Method of making a cushioned bathroom article |
| 09/15/1981 | US4289716 Thermally insulating tubes |
| 09/15/1981 | US4288903 Method for producing stuffing for a spring-type mattress |
| 09/09/1981 | EP0035467A1 Process for producing foamed plastic boards |