| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 05/08/1979 | US4153657 Method for making a vehicle wheel with a foamed resin core |
| 05/08/1979 | US4153231 Mould assembly for foam moulding of plastic materials |
| 05/08/1979 | US4152798 Cork line having foamed thermoplastic resin floats integrally bonded to a leader and a process for producing same |
| 05/08/1979 | CA1053872A1 Method and device for the production of articles having a non-cellular smooth skin and a cellular core from polymer materials |
| 05/02/1979 | EP0001726A1 Process and apparatus for the stabilization of articles of foam plastics, and articles obtained |
| 05/02/1979 | EP0001693A1 Apparatus and method for the continuous moulding of a foamable material |
| 05/01/1979 | US4152385 Side paper clamping for continuous foam sheet production |
| 05/01/1979 | US4152183 Collector electrodes for electrostatic precipitation |
| 05/01/1979 | US4151661 Nonyellowing |
| 05/01/1979 | CA1053423A1 Manufacture of high-density foamed polymer |
| 04/24/1979 | US4151239 Cured amino resin foam for thermal insulation |
| 04/24/1979 | US4150850 In automobiles |
| 04/19/1979 | WO1979000186A1 Flat top foam material method and apparatus with width control |
| 04/18/1979 | EP0001442A1 Method for filling sandwich elements with a foam of reaction mixtures |
| 04/17/1979 | US4150077 Reducing the aging period of gaseous expansion agent foams |
| 04/17/1979 | US4150075 Process for the continuous production of foam plastic blocks having a rectangular cross-section |
| 04/17/1979 | US4150074 Method of effecting multi-station in-place reaction injection molding all formable reactive polymeric resin composition |
| 04/17/1979 | US4149919 Heating two sheets of plastic coated fabric- a core of cell foam, forming a vacuum, cooling and pressurizing |
| 04/17/1979 | US4149840 Apparatus for producing rigid foam plastic insulating panels |
| 04/17/1979 | CA1052680A1 Process for the production of a multi-layer sheet structure or shaped element |
| 04/10/1979 | US4148854 Matched die molding of fiber reinforced plastic articles |
| 04/05/1979 | WO1979000177A1 Flat to foam material method and apparatus with width control |
| 04/03/1979 | US4147746 Generation of polyurethane foam |
| 04/03/1979 | US4147582 Apparatus for producing insulating panels |
| 04/03/1979 | CA1052049A1 Natural sandwich of filled polyurethane foam |
| 03/27/1979 | US4146563 Method and apparatus for forming thermoplastic foams |
| 03/27/1979 | US4146562 Extrusion coating method with polyolefin foam |
| 03/27/1979 | US4146451 Shrunken foamed thermoplastic resin sheet and its method of preparation |
| 03/20/1979 | CA1050715A1 Process for the production of free-flowing hollow beads |
| 03/13/1979 | US4144297 Method of injection molding a foamed thermoplastic resin ball core having an integral skin |
| 03/13/1979 | US4144296 Process for molding a polystyrene foam structure with a bonded covering |
| 03/13/1979 | US4144295 Generation of polyurethane foam |
| 03/07/1979 | EP0000886A1 Process and device for producing a reaction mixture resulting in foams or homogeneous substances and for its subsequent introduction into a cavity |
| 03/06/1979 | US4143106 Continuous flood foaming of thermoplastic resin |
| 03/06/1979 | US4143105 Forming thermoplast and producing projection on rod by tearing and bursting during extrusion |
| 03/06/1979 | CA1049729A1 Coextrusion of polystyrene layers of different densities |
| 03/06/1979 | CA1049722A1 Method of and a machine for injection moulding of articles composed of several materials |
| 02/27/1979 | US4141944 Embossing, foaming |
| 02/20/1979 | US4140672 Process for producing moldings |
| 02/20/1979 | CA1048723A1 Process for producing porous thermoplastic resin sheet |
| 02/13/1979 | US4139686 Process for making hydrophilic elastomeric polyurethane resin wiping cloths and the resultant product |
| 02/13/1979 | US4139177 Apparatus for the injection-molding and cooling of shaped synthetic-resin bodies |
| 02/13/1979 | CA1048699A1 Polyisocyanate foam having isotropic cells and method and apparatus therefor |
| 02/06/1979 | US4138454 Low profile method of mixing and depositing foam |
| 02/06/1979 | US4138283 Process for producing fabric-backed cushioning material |
| 01/30/1979 | US4137030 Apparatus for the manufacture of cushions |
| 01/30/1979 | CA1047215A1 Process for producing molded structural foam article having a surface that reproducibly and faithfully replicates the surface of the mold |
| 01/23/1979 | US4136220 Process for the molding of plastic structural web and the resulting articles |
| 01/16/1979 | US4134945 Method and apparatus for making foam |
| 01/16/1979 | US4134942 Method for producing foamed articles |
| 01/16/1979 | US4134782 Method for simultaneously applying to an extended cylindrical object a coating and a plastic film wrapping to retain the coating |
| 01/16/1979 | US4134687 Control of plastic injection |
| 01/09/1979 | US4133858 Injection foam molding process |
| 12/26/1978 | US4131663 Multilevel embossing of sheet materials |
| 12/26/1978 | US4131411 Arrangement for manufacture of voluminous products made of plastics |
| 12/20/1978 | EP0000058A1 Process and apparatus for continuously moulding foamed slabs of rectangular cross-section |
| 12/19/1978 | US4130615 Method for making an insulated container having a shock-resistant bottom |
| 12/19/1978 | US4130614 Method for making structural foams with facing sheets |
| 12/19/1978 | US4129935 Method of making a molded support for an object using a self-closing valve |
| 12/19/1978 | CA1044420A1 Multi-foaming of thermoplastic beads |
| 12/12/1978 | US4129635 Injection molding |
| 12/12/1978 | CA1043972A1 Process for the production of highly expanded polyolefin insulated wires and cables |
| 12/12/1978 | CA1043967A1 Apparatus for the manufacture of continuous cellular polyurethane blocks of flat shape and rectangular section |
| 12/05/1978 | US4128689 Thermoplastic polymer sheets or web material useful as surfacing materials and their manufacture |
| 12/05/1978 | US4128611 Continuous process and apparatus for producing foamed polymer bunstock having a substantially rectangular cross-section |
| 11/28/1978 | US4127371 Apparatus for thermoplastic foam extrusion |
| 11/21/1978 | US4126238 Packing container |
| 11/21/1978 | CA1042733A1 Surface covering materials |
| 11/14/1978 | US4125664 Shaped articles of foam plastics |
| 11/14/1978 | US4125490 Method of forming dimensionally stable foamed articles of polyvinyl aromatic resins and resultant product |
| 11/14/1978 | US4125351 Process for the production of a forming tool from reactive resins with fillers, and forming tool |
| 11/14/1978 | US4125138 Generation of polyurethane foam |
| 11/14/1978 | CA1042600A1 Crosslinked hydrophilic polyurethane foams |
| 11/07/1978 | US4124691 Method for the preparation of reticulate carbon structures |
| 11/07/1978 | US4124344 Apparatus for continuously producing foamed sheets |
| 11/07/1978 | US4124336 Poppet check valve for controlled feeding of blowing agent |
| 11/07/1978 | US4124308 Sequential co-injection unit adapted for structural foam molding |
| 10/31/1978 | US4123307 Method for forming hollow shells by rotational casting and winding thereon |
| 10/24/1978 | US4121957 Method and apparatus for producing plastic foam boardstock and product thereof |
| 10/24/1978 | CA1041249A1 Process for making hydrophilic polyurethane foams |
| 10/17/1978 | US4120923 Process for manufacturing foamed materials involving contacting a thin unbroken film of liquid resin with a gaseous blowing agent under pressure |
| 10/17/1978 | US4120632 Molds for production of plastics material boats |
| 10/17/1978 | US4120626 Device for the continuous production of foam blocks of rectangular cross-section |
| 10/17/1978 | US4120064 Method for adjusting a ski-boot to a skier's foot |
| 10/17/1978 | CA1040558A1 Bottle-shaped containers of the one-way type and a method for the manufacture of the same |
| 10/03/1978 | US4118533 Structural laminate and method for making same |
| 10/03/1978 | US4118451 Method of controlling foaming of cabinet insulation |
| 10/03/1978 | CA1039594A1 Coating the back of floor coverings with polyurethanes |
| 09/26/1978 | US4116736 Method of making a foam plastic cushion having a peripheral frame and an exterior cover |
| 09/26/1978 | CA1039019A1 Injection molding machine |
| 09/26/1978 | CA1039014A1 Method and apparatus for the cooling of a tubular extrudate of expanded polystyrene |
| 09/19/1978 | US4115491 Method of making thermoplastic articles with porous cores |
| 09/19/1978 | US4115170 Cushion or seat structure of plastic foam with integrated cover and incorporated reinforcing grid or skeleton, and method of making same |
| 09/19/1978 | US4114213 Method for manufacturing essentially wrinkle-free foamed articles with an upholstery material adhering thereto and resultant article |
| 09/05/1978 | CA1037665A1 Method and apparatus for making injection moulded plastic bodies |
| 08/29/1978 | US4110139 Process for preparing bands or belts, particularly suitable for use as watch bands |
| 08/22/1978 | US4108934 Molding expandable thermoplastic resins |
| 08/22/1978 | US4108928 Method of producing a viscous flowable pressure-compensating fitting composition from hollow thermoplastic microblends with the use of high frequency heating and dispensing the composition into a sealable, flexible, protective enclosure means |
| 08/22/1978 | US4108585 Apparatus for the continuous production of foam plastic blocks of rectangular cross-section |
| 08/22/1978 | US4107829 Method of manufacturing seat cushions |