Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824)
11/1984
11/06/1984CA1177212A1 Method and apparatus for extruding a cellular product
11/06/1984CA1177211A1 Apparatus and method for extruding foamed polymeric materials
10/1984
10/31/1984EP0123623A1 Process and apparatus for the continuous manufacture of composite foam panels
10/31/1984EP0123019A1 Coating device formed by a doctor with a slit or the like
10/30/1984US4479998 Process of producing fibre-reinforced shaped articles
10/30/1984US4479914 Process and mold for molding foamed plastic articles
10/23/1984US4478902 Foamed polyurethane multilayer support
10/23/1984CA1176418A1 Method and apparatus for heating a mold cavity
10/23/1984CA1176416A1 Production of foams
10/16/1984US4477504 Utilization of plastic films to control gas pressure and reduce foam in cellular foam products
10/16/1984US4477400 Oxidation of second polyolefin
10/16/1984US4477399 Polyurethane foam
10/10/1984EP0121017A2 Method of manufacturing laminated plastics material
10/09/1984US4476077 Process for preparing a poly(p-methylstyrene) foam
10/02/1984US4474840 Method of selective bonding of textile materials
10/02/1984US4474717 Method of making a twin-wall internally corrugated plastic structural part with a smooth non-cellular skin
10/02/1984US4474635 Mechanical bonding a cushioned panel of polypropylene outer layers and resin foam insert
10/02/1984US4474632 Method of forming a composite foam insulated jacket for a railroad tank car
10/02/1984CA1175212A1 Production of blocks, bricks and tiles
09/1984
09/27/1984WO1984003659A1 Gasket
09/26/1984EP0119215A1 A method and an apparatus for manufacturing oblong articles of polyurethane integral foam or a corresponding material
09/25/1984US4473667 Elastomeric foam
09/25/1984US4473665 Saturation with inert gas, depressurization, and quick-cooling
09/25/1984US4473516 Method and apparatus for injection molding plastic articles having solid exterior surfaces and porous interior cores
09/19/1984EP0118876A2 Shaped bodies of cellular polyurethane, method for their manufacture by thermoplastic deformation of polyester-polyurethane foam and their use
09/19/1984EP0118575A1 Mould set comprising at least three parts for the production of expanded thermoplastic mouldings
09/18/1984US4472340 Method for producing tire-shaped articles from polyurethane multi-component reaction materials
09/18/1984CA1174415A1 Foam extrusion apparatus and method
09/18/1984CA1174412A1 Mold structure and method of molding for mechanically frothed urethane foam
09/12/1984EP0118013A2 Structural laminate and method for making same
09/12/1984EP0117952A2 Containers having heat-sealed juncture regions
09/11/1984US4471020 Foam-containing structures
09/11/1984US4470938 Method and apparatus for extrusion of thermoplastic foam
09/11/1984US4470857 Method of making foam plastic article
09/11/1984US4470789 Extruder for foamed liquids
09/05/1984EP0117641A2 Method and apparatus for preparing multi-cellular foamed board of thermoplastic resin
09/04/1984US4469819 Process for the production of objects made of a rigid expanded material based on polyvinyl chloride, objects obtained by said process, and uses therefor
09/04/1984US4469733 Foam sandwich construction
09/04/1984US4469652 Foam extrusion apparatus and method
09/04/1984US4469651 Plasticizing in extruders, cooling by circulation through passageways
09/04/1984US4469251 Detachable mixing chamber for a fluid dispensing apparatus
09/04/1984CA1173613A1 Methods and apparatus for producing foamed thermoplastics materials and articles
08/1984
08/30/1984WO1984003251A1 Polyurethane foam products moulding system
08/28/1984US4468435 Process for the production of highly expanded polyolefin insulated wires and cables
08/28/1984US4468363 Internal mold gating method and apparatus
08/28/1984CA1173375A1 Wire reinforced hose and method
08/28/1984CA1173212A1 Polyurethane foam molding with zones of different indentation hardness and a process for its production
08/22/1984EP0116357A2 Method of and apparatus for manufacturing foam upholstery having a fabric-type touch-and-close fastener
08/22/1984EP0116128A1 Process for facilitating the displacement of a gas in phenolor foams with open cells
08/21/1984US4466933 Heat-resistant foamed plastic materials
08/16/1984WO1984003066A1 Procedure for manufacturing a thermally insulating sheath or duct for a pipe or pipes
08/16/1984WO1984003064A1 Method for the continuous production of foam material
08/14/1984US4465734 Composite mirror panels
08/14/1984US4465710 Press-forming metal coated with lubricant which reacts with polyurethane
08/14/1984US4465649 Method and system for extruding tubular foamed polymer sheet
08/14/1984US4465449 Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
08/14/1984CA1172411A1 Injection molding assembly
08/08/1984EP0115162A2 Heat-resistant foamed polyesters
08/07/1984US4464484 Process for producing prefoamed polymer particles
08/07/1984US4464428 Closed cell foamed material having interior canals filled with substances
08/07/1984US4464425 Foamed polymeric shrink-fit objects and their process of manufacture
08/07/1984US4464320 Polyesters, co2 blowing agent from in situ reaction of isocyanate with peroxide
08/02/1984WO1984002876A1 Method for manufacturing an alveolar synthetic material part and parts obtained thereby
08/01/1984EP0114741A2 Production of foams
08/01/1984EP0114660A2 A method of joining two pre-insulated pipes, and a jointing sleeve for use in carrying out said method
08/01/1984EP0114503A2 Process of combining an antistatic agent with beads of thermoplastic material
07/1984
07/31/1984US4462947 Heat-resistant foamed polyesters
07/31/1984US4462778 Extrusion head for extruding mouldings for roller blinds, frames, finish and the like
07/25/1984EP0113995A2 Method and system for extruding tubular foamed polymer sheet
07/25/1984EP0113903A2 Process for producing prefoamed polymer particles
07/24/1984US4461850 Process for obtaining cellular materials based on unsaturated polyester resins
07/24/1984US4461736 Method of producing a dam for a communication cable
07/18/1984EP0113511A2 Flame-resistant expanded plastics material
07/11/1984EP0113071A1 Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
07/10/1984US4459251 Method and apparatus for controlled application of a coating material to a pipe joint
07/10/1984US4459249 Method of manufacturing a foamed protective and decorative molding for an automobile
07/10/1984US4459247 Polysiloxanes, foaming, shaping, crosslinking, tempering
07/10/1984US4458723 Heat insulating pipe
07/10/1984CA1170416A1 Method of producing open-cell foamed articles of cross-linked polyolefins
07/10/1984CA1170415A1 Method and apparatus for making an integral structural cellular and non-cellular plastic or resinous article with a smooth outer surface
07/05/1984WO1984002489A1 A building material for building elements, and a method and a system for manufacturing said elements
07/04/1984EP0112501A1 Method and apparatus for fusing especially different mouldings from especially different foamable plastics
07/03/1984US4457729 Polyolefin layer with improved adhesion to a foamed plastic substrate and a method for its manufacture
07/03/1984US4457511 Plastic bowling pin and method of making the same
06/1984
06/27/1984EP0112058A2 A method of and apparatus for forming a polymeric sheet structure having comparatively high density skin layers and a comparatively low density core layer
06/27/1984EP0112018A1 Mesh type vent for use in molds
06/27/1984EP0111860A2 Method of modifying elastical aminoplast foams
06/26/1984US4456706 Synthetic rubber blend and polarizing and blowing agents; skins; metatarsal supports
06/26/1984US4456573 Method for the production of aged and expanded polystyrene panels
06/26/1984US4456572 Method for the preparation of a foamed body of a vinyl chloride-based resin composition
06/26/1984US4456571 Process and apparatus for forming a composite foamed polymeric sheet structure having comparatively high density skin layers and a comparatively low density core layer
06/26/1984US4456443 Machine for steam chest molding of foamed material
06/20/1984EP0111469A2 Method and apparatus for pre-expanding plastics
06/20/1984EP0111465A1 A method of coating a fibre mat with a heat resistant foam material
06/19/1984US4455340 Flexible molded foam and process for preparation thereof
06/19/1984US4455272 Nucleation
06/13/1984EP0110265A2 A process for continuously producing two-faced self-supporting sandwich panels having an interposed layer of insulating material and provided with continuous substantially rigid side joints, and panels obtained
06/13/1984EP0042842B1 Foam sandwich construction
06/12/1984US4454248 Open cell rigid thermoset foams and method
06/12/1984US4454087 Method and apparatus for preparing thermoplastic resin foam