| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 01/21/1992 | CA1294403C Manufacturing a syntactic sleeve for insulating a pipeline |
| 01/14/1992 | US5080842 Method of producing a bowling pin of synthetic material |
| 01/14/1992 | CA1294313C Refrigeration cabinet construction |
| 01/14/1992 | CA1294302C Sound absorption in foam core panels and their method of manufacture |
| 01/14/1992 | CA1294102C Method and apparatus for forming an extruded foam product |
| 01/09/1992 | WO1992000184A1 Manufacture of polymeric foam |
| 01/09/1992 | CA2064795A1 Manufacture of polymeric foam |
| 01/08/1992 | EP0464953A1 Method of forming an article consisting of a foam core and one or more covering layers |
| 01/08/1992 | EP0464490A2 Method for manufacturing three-dimensional objects of open cell, elastic thermosetting foam materials |
| 01/08/1992 | EP0464163A1 Use of supercritical fluids to obtain porous sponges of biodegradable polymers. |
| 01/07/1992 | US5078933 Process for making grained and foamed plastic article |
| 01/07/1992 | US5078932 Method and apparatus for making a disposable casting pattern of expanded foamed beads |
| 01/07/1992 | CA1293913C Polyolefin resin foamed laminated sheet and double-side vacuum forming of the same |
| 01/02/1992 | EP0463981A2 Method of manufacturing cushions from polyurethane foam moulded in-situ with a textile lining, and the cushion thus produced |
| 01/02/1992 | EP0463759A2 Production of thermoplastics foams |
| 01/02/1992 | EP0463421A2 Waterborne release agent, containing ethoxylic alcohol, for manufacturing of moulded polyurethane |
| 01/02/1992 | DE4020565A1 Foamed cushion mfr. with rigid framework and cover - comprises precut cover mounted on rigid member, clamped at edges and put in cushion tool cavity for casting of foamable mixt. |
| 01/02/1992 | DE4020417A1 Injection moulding process for plastics recycling - by injecting recycled plastics core into moulded plastics casing |
| 12/31/1991 | US5076880 Apparatus for manufacturing trim panels including several trim components |
| 12/25/1991 | CN1057228A Polystyrene foam sheet manufacture |
| 12/24/1991 | US5074770 Integrated vacuum forming/reaction injection molding apparatus for manufacturing a shaped polymeric laminate article |
| 12/24/1991 | CA1293347C Method and apparatus for foaming high viscosity polymer materials |
| 12/19/1991 | DE4019202A1 Low-density extruded thermoplastic foam - is mfd. by melt-extruding mixt. of plastic and pore regulator, using nitrogen gas and liq. halohydrocarbon as prim. and sec. blowing agents |
| 12/18/1991 | EP0461522A2 Method for molding polyurethane foam |
| 12/18/1991 | EP0461509A1 Method and machine for manufacturing polystyrene foam products |
| 12/18/1991 | EP0461298A1 Manufacture of foam |
| 12/17/1991 | US5073318 Vehicle inner panel |
| 12/10/1991 | US5071886 Heat-shrinkable, tubular foam |
| 12/10/1991 | US5071605 Method for producing foam mold |
| 12/10/1991 | US5071331 Mold for foam products |
| 12/04/1991 | EP0459581A1 A method of making a foamable foil |
| 12/04/1991 | EP0459130A2 Method of extruding plastic materials |
| 12/03/1991 | US5069961 Pre-formed millwork article |
| 12/03/1991 | US5069838 Method of producing frame-installed seat pad structure |
| 12/03/1991 | US5069837 Method of forming inflatable upholstered cushion |
| 12/01/1991 | WO1991018734A1 Process and device for manufacturing plastic mouldings |
| 12/01/1991 | CA2083944A1 Process and device for manufacturing plastic mouldings |
| 11/29/1991 | CA2042667A1 Method of making a foamable foil |
| 11/28/1991 | WO1991018048A1 Use of a nucleation agent in a process for the production of loose-fill packing material |
| 11/28/1991 | DE4016597A1 Verfahren zur herstellung schuettfaehiger, kugelsegmentfoermiger packmaterialkoerper mit aussen konvexer und innen konkaver oberflaeche Process for the preparation schuettfaehiger, kugelsegmentfoermiger packmaterialkoerper with external convex and concave inside surface ' |
| 11/27/1991 | EP0458172A2 Process for removing blowing agents from resin foams and device |
| 11/26/1991 | CA1292347C Process for reducing the density of an extruded foam board of a thermoplastic resin |
| 11/23/1991 | CA2042909A1 Process for the removal of foaming agents from foamed plastics as well as a device for this purpose |
| 11/21/1991 | DE4015413A1 Harmless moulding mfr. in any size or shape - from e.g. foam scrap reduced to desired size particles, mixed with polyvinyl-acetate binder and other additives, moulded and dried |
| 11/19/1991 | US5066437 Refrigerators, Freezers |
| 11/13/1991 | EP0455835A1 Method of and system for producing foamed resin molding |
| 11/12/1991 | US5064587 Fusing thermoplastic resin and pore regulating agent; injecting two propellants |
| 11/12/1991 | CA1292085C Process and apparatus for continuously sheathing solid or hollow profiles, especially tubes, with an extruded foam jacket of thermoplastic synthetic resin, and products thereby produced |
| 11/06/1991 | EP0455026A2 Manufacturing method for refrigerator interior parts foamed at the reverse side |
| 11/06/1991 | EP0454670A1 Foamable thermoplastic polymers and a method for foaming |
| 11/05/1991 | CA1291605C Manufacturing method of a rigid or semi-rigid foamed material and a composite panel |
| 11/03/1991 | CA2041253A1 Method for forming plastic molded panels with inserts |
| 10/31/1991 | WO1991016186A1 Instrument for pouring foamable material and method of producing foam having integrated skin |
| 10/31/1991 | DE4013712A1 Environmentally-friendly mfr. of foam-backed plastics parts - using polyurethane lacquer to protect plastic from partly-halogenated blowing agent used in polyurethane foam backing mixt. |
| 10/30/1991 | EP0453784A2 Plastic based laminates |
| 10/30/1991 | EP0453687A1 Process and apparatus for molding foamed plastic article |
| 10/29/1991 | US5061540 Separable fasteners for attachment to other objects |
| 10/29/1991 | US5061428 Method for plastic coating foam molding insert |
| 10/29/1991 | US5061420 Batch molding of open-cell soft polyurethane foam |
| 10/29/1991 | US5061419 Method and device for molding skin-covered foamed plastic article |
| 10/29/1991 | US5061418 Thermal expansion resin transfer molding |
| 10/29/1991 | US5061161 Device for manufacturing a composite building panel for use in a building structure cladding system |
| 10/29/1991 | CA2041162A1 Process for the production of back foamed internal parts for refrigeration furniture |
| 10/29/1991 | CA1291406C Manufacturing a sandwich panel with foam interior between rigid or semi-rigidskins |
| 10/22/1991 | US5059376 Methods for rapid purging of blowing agents from foamed polymer products |
| 10/22/1991 | US5059362 Filling a slush molding die with thermoplastic resins, adding heat decomposable foaming agent; heating |
| 10/22/1991 | US5058955 Skin covered formed plastic seat |
| 10/17/1991 | WO1991015701A1 A method for achieving a cable conduit |
| 10/17/1991 | WO1991015352A1 Moulding of foam within an elastomeric skin |
| 10/16/1991 | EP0451535A1 Method for producing an article from a melamin resin foam |
| 10/16/1991 | EP0333782A4 Foamed plastic laminated panel |
| 10/16/1991 | CN1055335A Heat insulating box |
| 10/15/1991 | CA1290895C Method and an apparatus for producing polyurethane foam |
| 10/09/1991 | EP0450331A1 Process for the production of foamed polystyrene sheets |
| 10/09/1991 | EP0450205A1 Moldable shrunken thermoplastic polymer foam beads |
| 10/08/1991 | US5055339 Shaped elements |
| 10/08/1991 | US5055272 Method for producing polyurethane foam and apparatus therefor |
| 10/08/1991 | US5055020 Mold for manufacturing a skin covered foamed plastic article |
| 10/06/1991 | WO1991015358A1 Process for manufacturing polystyrene foam film |
| 10/06/1991 | CA2079818A1 Process for manufacturing polystyrene foam film |
| 10/03/1991 | WO1991014566A1 Process for manufacturing a padded element |
| 10/03/1991 | WO1991014556A1 Hybrid composite sandwich structure |
| 10/03/1991 | CA2036009A1 Apparatus for molding lost foam pattern sections |
| 10/02/1991 | EP0449033A2 Process for the manufacture of sandwich structures |
| 10/02/1991 | EP0448851A1 Reimpregnation of plastic foam particles with an inorganic gas |
| 10/01/1991 | US5053271 Skin covered foamed plastic article |
| 10/01/1991 | US5052347 Water heater construction |
| 10/01/1991 | US5052346 Water heater foam dam and forming method |
| 10/01/1991 | CA1290094C Pre-expanded particles of polyolefin resin and process for preparing the same |
| 10/01/1991 | CA1289832C Apparatus and method for insulating a water heater |
| 09/29/1991 | CA2036736A1 Tension floor covering having enhanced embossing and durability |
| 09/25/1991 | EP0448063A1 Fibrous reinforced article and method for preparing same |
| 09/25/1991 | EP0447817A2 Process for preparing cellular polyurethane articles by sintering |
| 09/25/1991 | EP0447481A1 Method and apparatus for impregnation of foam material and products resulting therefrom |
| 09/25/1991 | EP0242361B1 Fibre-reinforced foam- or cellular bodies |
| 09/24/1991 | CA1289317C Steam chest mold for making a rectangular-section foam block |
| 09/19/1991 | WO1991013755A1 A paneling board with a wooden sight surface, and method of manufacturing same |
| 09/19/1991 | DE4008173A1 Moulded foam liner for e.g. car doors - involves steaming expanded particles in mould and closing part of mould to form prod. with integral low density region e.g. arm rest |
| 09/18/1991 | EP0446567A2 Deformable support for use during foaming, and method of making such a support |
| 09/18/1991 | EP0446394A1 Steering wheel manufacturing process |