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