| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 09/17/1991 | US5049591 Shape memory polymer foam |
| 09/17/1991 | US5049327 Rapid cooling of mixture of foaming agent and melten resin; prevention foaming |
| 09/17/1991 | CA1288935C Apparatus for the production of cushions with back-foamed covers |
| 09/17/1991 | CA1288920C Device and process for the manufacture of a composite part |
| 09/17/1991 | CA1288919C Continuous process for mattresses |
| 09/15/1991 | WO1991013933A1 Polypropylene foam sheets |
| 09/12/1991 | DE4006997A1 Prodn. of extruded foam section - feeds foaming mixt. into plastic film which is folded over and welded into tube, allows mixt. to expand, and passes tube to forming tools |
| 09/11/1991 | EP0445847A2 Preparation of polymer foam and product |
| 09/11/1991 | EP0445482A1 Method and apparatus for the production of a headrest with an articulated insert |
| 09/11/1991 | EP0374147A4 Foam braced packaging and method and apparatus for constructing same |
| 09/10/1991 | US5047184 Process and vacuum mold for the manufacture of a textile covered cushion |
| 09/10/1991 | CA1288568C Process for production of expansion-molded article in a mold of linear low density polyethylene resins |
| 09/09/1991 | WO1992000175A1 Batch molding of open-cell soft polyurethane foam |
| 09/09/1991 | CA2058988A1 Batch molding of open-cell soft polyurethane foam |
| 09/07/1991 | CA2035921A1 Method of manufacturing modular cover or air bag |
| 09/04/1991 | EP0444224A1 Extrusion head regulator |
| 09/04/1991 | CA2036125A1 Production of cellular polyurethane moldings by sintering |
| 09/03/1991 | US5044919 Synthetic resin molding apparatus |
| 08/29/1991 | DE4005624A1 Decorative moulding for car interiors - contains e.g. glass filled polyurethane core with foam covering and PVC skin whose density decreases inwards |
| 08/28/1991 | EP0443393A1 Foam boards with high heat resistance and process for their preparation |
| 08/28/1991 | EP0443129A2 Machine for the continuous manufacture of polyurethane foam boards |
| 08/27/1991 | US5043114 Molding method for manufacturing expansion-molded insert-embedded resin product |
| 08/27/1991 | US5043110 Method for testing foam formulations |
| 08/27/1991 | US5043034 Post forming semi-finished product for the manufacture of moulded parts resistant to bending |
| 08/27/1991 | US5042968 Propeller blade subassembly and method for making a propeller blade subassembly |
| 08/27/1991 | CA1287957C Process for producing hollow bodies of thermoplastic material |
| 08/22/1991 | WO1991012391A1 Method of manufacturing rigid foam-filled building panels |
| 08/22/1991 | DE4104689A1 Fume extn. hood esp. for cooker - made of cast polyurethane foam |
| 08/22/1991 | DE4004587A1 Recovery of polystyrene from scrap foam - granulated foam is compressed in several steps in chamber while steam is added |
| 08/22/1991 | DE4004472A1 Bone implants with fibre mesh on base body |
| 08/21/1991 | EP0442692A1 Seam stabiliser for covers of foam bodies |
| 08/20/1991 | US5040697 Water heater construction and sealing device therefor |
| 08/18/1991 | CA2036409A1 Foam sheets of high heat distortion resistance |
| 08/14/1991 | EP0441762A2 Extruder for highly foamed plastic material |
| 08/14/1991 | DE4004332A1 Smooth-running drawer sides etc. - which are made of hollow metal sections of suitable profiles filled with e.g. polyurethane foam so as to run easily and quietly |
| 08/13/1991 | US5039293 Device for the manufacture of a composite part |
| 08/13/1991 | US5039291 Foam molding assembly |
| 08/08/1991 | DE4003637A1 Moulding curved e.g. poly:methacryl:imide foam - using flat sheet of rigid foam by covering with glass cloth and thicker similar foam, thermo-forming, cooling and removing ancillary layers |
| 08/08/1991 | DE4002911A1 Soil-improving humus promoter material - consists of flock of particles of urea]-formaldehyde] foam enveloped in finely divided peat fibres and is produced on continuous machine |
| 08/07/1991 | EP0440031A1 Vacuum heat-insulating container |
| 08/07/1991 | EP0439969A1 Separable fasteners for attachment to other objects |
| 08/06/1991 | US5037687 Method and apparatus for forming a 360 degree skin handle |
| 08/06/1991 | US5037592 Evaporative cooling of mold wall |
| 08/06/1991 | US5037591 Vehicle inner panel |
| 08/01/1991 | WO1991011326A1 Method of lining plastic objects with a thin layer of heat sensitive material |
| 07/31/1991 | EP0438766A2 Laminates with enhanced edge stability |
| 07/30/1991 | US5035846 System and process for continuous manufacture of cellular products such as latex foam mattresses, cushions or the like |
| 07/30/1991 | CA1287135C Swellable cable wrapping and process for producing same |
| 07/30/1991 | CA1286926C Oar for racing shells and method of making same |
| 07/25/1991 | WO1991010558A1 Water heater construction and sealing device therefor |
| 07/24/1991 | EP0437727A2 Machine for the continuous production of lined foam panels |
| 07/23/1991 | US5034269 Process for the manufacture of paint-coated film and product produced therefrom |
| 07/23/1991 | US5034171 Process for extruding thermoplastic materials using low pressure inert gases as foaming agents |
| 07/23/1991 | US5033636 Refrigerator cabinet liner having non-crinkled corners |
| 07/23/1991 | US5033182 Method of making a refrigerator cabinet |
| 07/17/1991 | EP0437094A2 Thermoplastic polyester series resin foamed material and production process thereof |
| 07/16/1991 | US5032330 Method of footwear manufacture |
| 07/16/1991 | US5032096 Laminar device and method for making same |
| 07/16/1991 | CA1286073C Process for producing styrene resin foam |
| 07/10/1991 | EP0386147A4 Embossing composition for preparing textured polymeric materials |
| 07/10/1991 | CN1013089B Process for preparing two-ply foam molded articles |
| 07/09/1991 | CA1285859C Laminated panel |
| 07/04/1991 | DE3943265A1 Prodn. of foamed thermoplastics - by mixing into polymer in or on discharge from extruder specific non-toxic gases which are not harmful to ozone layer |
| 07/03/1991 | EP0435650A1 Aircraft body member |
| 07/03/1991 | EP0435588A2 Air intake duct and method for making same |
| 07/03/1991 | EP0434814A1 Molded composites |
| 07/03/1991 | EP0434755A1 Extruded biaxially stretched foam plastic pipe and procedure for the manufacture thereof |
| 07/02/1991 | US5028479 Polymeric anticorrosion film |
| 07/02/1991 | US5027583 Method of forming foam cushions for packaging purposes |
| 06/27/1991 | WO1991009079A1 Use of supercritical fluids to obtain porous sponges of biodegradable polymers |
| 06/27/1991 | CA2031928A1 Strain reduced airplane skin |
| 06/26/1991 | EP0434024A2 Molding apparatus and its use for a production process of expansion-molded articles |
| 06/26/1991 | EP0354907B1 Moldable silane-crosslinked polyolefin foam beads |
| 06/26/1991 | CN1052489A Process for production of cellular plastic |
| 06/25/1991 | US5026736 With controlled density, shrinkage, expansion, cell size |
| 06/25/1991 | CA1285122C Separable fasteners for attachment to other objects |
| 06/22/1991 | WO1991009718A1 Molding of open cell soft polyurethane foam |
| 06/20/1991 | CA2032390A1 Modular mold system and method for using same |
| 06/19/1991 | EP0432997A2 Fiber-reinforced foamed material and method of producing it |
| 06/18/1991 | US5024210 Water heater construction |
| 06/16/1991 | WO1991008803A1 Hockey stick |
| 06/16/1991 | CA2071859A1 Hockey stick |
| 06/13/1991 | WO1991008102A1 Method of and system for producing foamed resin molding |
| 06/13/1991 | DE3940824A1 Appts. for trapping harmful gases in moulding foam - traps foam residues and then passes fluoro-hydrocarbon gases out to condenser where they are collected |
| 06/13/1991 | DE3940461A1 Plastic stopper for e.g. wine bottles - consist of e.g. foam body in two halves joined together by horizontal gas barrier of e.g. foil coated each side with polyethylene |
| 06/12/1991 | WO1991008886A1 Vandal-resistant seat |
| 06/12/1991 | EP0431981A2 Making polyurethane seat paddings |
| 06/12/1991 | EP0431729A2 Panels faced with glass reinforced plastics |
| 06/12/1991 | EP0431088A1 Process for manufacturing a prepreg for use as a reinforcing inlay and use of said prepreg |
| 06/12/1991 | CA2069474A1 Vandal-resistant seat |
| 06/11/1991 | US5023031 Method of making a foam insulated water heater |
| 06/11/1991 | US5022838 Multi-axis rotational distributing apparatus |
| 06/06/1991 | DE3939534A1 Compound refrigerator door mfr. - by compensation of cooling deformation of each outer skin before foaming of central core |
| 06/05/1991 | EP0430824A2 Method of producing a complex moulded structure, in particular ski and complex moulded structure so obtained |
| 06/05/1991 | EP0430439A2 Extruded structure |
| 06/05/1991 | EP0430292A1 Process for extruding thermoplastic materials using low pressure inert gases as foaming agents |
| 06/05/1991 | EP0429929A2 Method for producing oriented, discontinuous fiber reinforced composite materials |
| 06/04/1991 | US5021108 Method and apparatus for manufacturing a foamed plastic laminated panel |
| 05/30/1991 | WO1991007273A1 Extruded foamed polystyrene sheet equipped with corrugated pattern and production method thereof |
| 05/29/1991 | EP0429410A2 A method for the manufacture, by the moulding of plastics material, of a motor-vehicle steering wheel which looks like a steering wheel covered with natural leather |