| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 12/13/1983 | US4420447 Process for producing foam moldings with an insert |
| 12/13/1983 | US4419844 Weatherstrip |
| 12/07/1983 | EP0095693A2 Apparatus for filling moulds with a foam or for foaming shaped articles |
| 12/06/1983 | US4419485 Shaped articles and process for the production thereof |
| 12/06/1983 | US4419309 Polystyrene foam extrusion into a foam assisting atmosphere |
| 12/06/1983 | US4419307 Method for manufacturing heat-insulating member and device therefor |
| 11/30/1983 | EP0095109A1 Process for producing expanded particles of a polyolefin resin |
| 11/29/1983 | US4417932 Crosslinked polyethylene |
| 11/29/1983 | CA1157756A1 Process for producing multi-layer, tubular film |
| 11/29/1983 | CA1157613A1 Apparatus for continuously molding cylindrical blocks of foamed polymeric material |
| 11/23/1983 | EP0094465A1 Premanufacturing process for construction panels, panels so produced and plant for putting this process into operation |
| 11/22/1983 | CA1157361A1 Method and apparatus for producing foamed panels |
| 11/15/1983 | US4415513 Method of manufacturing a composite foam tape transport capstan |
| 11/15/1983 | US4415392 Method for producing foamed plastic sheet |
| 11/15/1983 | US4415269 Device for providing a reinforced foam lining for well bore holes |
| 11/09/1983 | EP0093553A1 Improved foam polymer process |
| 11/08/1983 | US4414168 Process for manufacturing a porous dip tube |
| 11/08/1983 | US4413744 Expanded plastic bottle stopper |
| 11/08/1983 | US4413540 Foam peeling process and apparatus |
| 11/01/1983 | US4412962 Method of molding a mechanically frothed urethane resin foam and an open-top injection mold therefore |
| 11/01/1983 | US4412961 Method and apparatus for measurement and control of cell size in a foam structure |
| 10/26/1983 | EP0091970A2 Apparatus for the simultaneous production of especially different moulded articles of sintered polystyrene foam with interchangeable moulding tools |
| 10/25/1983 | US4411941 Sponge rubber coating, metallic reinforcement |
| 10/25/1983 | US4411849 Such as extrusion of foamed polystyrene sheets |
| 10/25/1983 | US4411413 Apparatus for shoring during the manufacture of a reefer container |
| 10/25/1983 | CA1155625A1 Method of making a foamed resin sheet |
| 10/25/1983 | CA1155624A1 Foam extrusion apparatus and method |
| 10/25/1983 | CA1155622A1 Reinforced foamed resin structural material and process for manufacturing the same |
| 10/18/1983 | US4410481 Insulating plate and process for the preparation thereof |
| 10/12/1983 | EP0090959A2 Method of producing a foam-layered panel |
| 10/11/1983 | US4409284 Porous moldings made of accumulated mass of stringy or thready extrudates |
| 10/11/1983 | US4409165 Method and apparatus for extruding a cellular product |
| 10/11/1983 | US4409164 Higher production rate with melting torpedo |
| 10/11/1983 | US4409163 Method for molding a composite foamed resin pull strap |
| 10/04/1983 | US4407980 Closed cell polyimide foams and methods of making same |
| 09/28/1983 | EP0089663A2 Method of and apparatus for the adjustment of the section shape of freely expandable polymers, essentially of polyurethanes |
| 09/21/1983 | EP0089060A2 System for controlling an extrusion line for foamed insulation cables |
| 09/20/1983 | US4405681 Positioning high and low density foams in mold, curing |
| 09/20/1983 | US4405538 Resin transfer molding system with controlled induction period for expanded synthetic articles |
| 09/20/1983 | US4405537 Method and apparatus for manufacturing three-dimensional work pieces |
| 09/20/1983 | CA1153858A1 Method of making a plastic shell-shaped article |
| 09/15/1983 | WO1983003132A1 Method of insulating pipe details |
| 09/13/1983 | CA1153520A1 Method for the preparation of a cellular foamed body of a vinyl chloride-based resin |
| 09/13/1983 | CA1153517A1 Method and apparatus for molding a tire |
| 09/06/1983 | US4402893 Conditioning with acrylic or styrene resins, nucleation, gelation |
| 09/06/1983 | CA1153390A1 Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation and their use as blowing agents |
| 09/01/1983 | WO1983002880A1 A box element, such as a travelling bag or suit-case |
| 08/31/1983 | EP0086918A1 Continuous molding machine for producing chains of soil plugs |
| 08/31/1983 | EP0086780A1 Production of blocks, bricks and tiles. |
| 08/30/1983 | US4401612 Method and apparatus for extruding foam polymeric materials involving the use of an extrusion screw having spaced multiple flight mixing means thereon |
| 08/30/1983 | US4401611 Embossing of foamable plastisols on dry blend layers |
| 08/30/1983 | CA1152878A1 Dielectric embossing of foam |
| 08/23/1983 | US4400336 Method of molding a hollow retainer in a foam article |
| 08/16/1983 | US4399088 Process and molding apparatus having a mold release coating on the cavity thereof for molding formable and homogeneous ceramic/polyester resin molding composition |
| 08/16/1983 | US4399087 Gas and blowing agent mixtures |
| 08/16/1983 | US4399086 Strip-forming a thermoplastic |
| 08/16/1983 | US4399085 Process of producing fibre-reinforced shaped articles |
| 08/09/1983 | US4397914 Reinforcing material for a panel |
| 08/09/1983 | US4397798 Polyurethane |
| 08/09/1983 | US4397797 Method for extrusion coating of a pipe with a foamed cover layer having three integrally formed cellular sub-layers |
| 08/09/1983 | CA1151365A1 Shoe molding process |
| 08/03/1983 | EP0084862A1 Apparatus for the flexibilization of synthetic resinous foam |
| 08/02/1983 | US4396568 Method for the manufacture of a relief-like profiled outer sole of a cross-linked ethylene-co-vinyl acetate (EVA) foamed with closed cells |
| 08/02/1983 | CA1151270A1 Process flow computer control system |
| 08/02/1983 | CA1151021A1 Polyurethane carpet backing and apparatus and method for producing |
| 07/27/1983 | EP0084384A1 Method for foaming plastics continuously |
| 07/27/1983 | EP0084226A1 Process for preparing a poly(p-methylstyrene) foam |
| 07/27/1983 | EP0016836B1 Method and apparatus for spraying material onto a moving receiving surface |
| 07/26/1983 | US4395217 Adaptor for extruding a plurality of streams of synthetic thermoplastic foam simultaneously from a single extruder |
| 07/26/1983 | US4395214 Foam extrusion apparatus having downstream upper and lower hinged shaping means and side restraining means |
| 07/19/1983 | CA1150020A1 Equipment for the continuous production of foam boards |
| 07/13/1983 | EP0083435A2 Moulded body with a pressure-moulded polyester-impregnated fibrous sheet of coconut, cotton or jute and method for its production |
| 07/12/1983 | US4393017 Apparatus and method for making foamed resin products |
| 07/12/1983 | CA1149565A1 Method of producing molded bodies of expanded plastic |
| 07/06/1983 | EP0083321A2 Method and equipment of impregnating a foamed resin with thermoplastic materials |
| 07/06/1983 | EP0083177A1 Method for producing polystyrene resin foam |
| 07/06/1983 | EP0082913A2 Method and apparatus for the manufacture of essentially dry moulded articles of expandable thermoplastics material, for example polystyrene |
| 06/29/1983 | EP0082137A1 Method and apparatus for insulating building blocks and the blocks produced thereby |
| 06/28/1983 | US4390486 Method and apparatus for heating a mold cavity uniformly |
| 06/28/1983 | US4390485 Method of injection molding a foamed resin product having a smooth surface involving surface heating of the mold by applying high current low voltage electric power |
| 06/28/1983 | US4390337 Apparatus having an automatic foam dispensing system for forming shock-absorbing members in a container |
| 06/28/1983 | US4390332 Apparatus for injection molding of parts from foam plastics material and/or from solid plastics material |
| 06/22/1983 | EP0081797A1 Method of pressurizing treatment of pre-foamed particles of polyolefin resin |
| 06/21/1983 | US4389454 Molded foamed polyurethane part having a lightweight skin and a process for its manufacture |
| 06/21/1983 | US4389358 Method and apparatus for making an integral structural cellular and non-cellular plastic or resinous article with a smooth outer surface |
| 06/15/1983 | EP0081069A2 Foam sheet from a closed-cell expanded reticulated plastic body |
| 06/15/1983 | EP0081030A2 Foam sheet from a closed-cell expanded soft plastic |
| 06/14/1983 | US4388361 Element for the insulation of the outer wall of a building |
| 06/14/1983 | US4388358 For handicapped or disabled persons |
| 06/07/1983 | US4387066 Blowing agents, molds, thickness, shapes, depth |
| 06/07/1983 | US4386983 Method of making a foam structural laminate |
| 06/07/1983 | CA1147771A1 Sealing strip for vehicle bodies and process for its manufacture |
| 06/01/1983 | EP0080171A1 Heat-insulating moulding and process for preparing the same |
| 05/31/1983 | US4385954 Vacuum beneath applied foam, and more substantial vacuum beneath web |
| 05/31/1983 | CA1147249A1 Continuous manufacture of phenolic foam slabs |
| 05/31/1983 | CA1147117A1 Nucleation control adapted for reaction injection molded slurries |
| 05/25/1983 | EP0079403A1 Apparatus for the manufacture of panels of expanded synthetic material |
| 05/24/1983 | US4385016 Method of extruding and pelletizing expandable polymeric composition with recycling of transparent water supplied across the face of the extrusion die |
| 05/24/1983 | US4384905 Method of forming an insulating pipe |
| 05/24/1983 | US4384904 Process of forming an embossed surface covering having a wear layer attached uniformly thereto |