| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 10/28/1980 | CA1088383A1 Extrusion coating method with polyolefin foam |
| 10/21/1980 | US4229406 Method for preparing an embossed foamed latex sheet |
| 10/21/1980 | US4229398 Binding and curing |
| 10/21/1980 | US4229395 Method for injection molding thick-walled articles |
| 10/21/1980 | US4229392 Process of producing a foamed plastic insulated conductor and an apparatus therefor |
| 10/15/1980 | EP0017603A1 Reinforced hull, especially for a sail-surfing board, process for manufacturing it, and mould for putting it into use |
| 10/15/1980 | EP0017362A1 Method for producing lightweight mirrors with curved reflecting surfaces |
| 10/15/1980 | EP0017046A1 Moulded article of foamed plastics |
| 10/15/1980 | EP0016859A1 Method of homogeneously sintering mouldings of expanded polystyrene, apparatus for carrying out this method and moulding produced by the method |
| 10/15/1980 | EP0016836A1 Method and apparatus for spraying material onto a moving receiving surface |
| 10/14/1980 | US4228076 Method of densifying open-celled polyurethane material |
| 10/02/1980 | WO1980002006A1 Method and apparatus to control the density of foamed products produced from an extrusion process |
| 10/01/1980 | EP0016359A1 Method and apparatus for producing a foam plastics ball with embossed surface |
| 09/18/1980 | WO1980001892A1 Thin skin laminated structure reinforced by polymeric foams |
| 09/18/1980 | WO1980001889A1 Low density,extruded ethylenic polymer foams |
| 09/17/1980 | EP0015536A1 Method and apparatus for making thermally insulating compound frame members and compound frame member made according to this method |
| 09/16/1980 | US4222729 Screw extruder for thermoplastic synthetic foams |
| 09/16/1980 | US4222722 Device for synchronizing the movement of the cover web and base web during the continuous production of rectangular foam blocks |
| 09/15/1980 | EP0007360A4 Flat top foam material method and apparatus with width control. |
| 09/09/1980 | US4221624 Method of manufacturing a foamed core thermoplastic sheet |
| 09/09/1980 | US4221621 Process for preparing a foamed article of thermoplastic resin and a die therefor |
| 09/09/1980 | US4221555 Centrifuge deposition device and continuous slab mold for processing polymeric-foam-generating liquid reactants |
| 09/02/1980 | CA1084963A1 Mold and a method of manufacturing a ski with foamed plastic core |
| 08/26/1980 | CA1084352A1 Method and apparatus for applyig foam insulation to pipe |
| 08/20/1980 | EP0014518A1 Process and apparatus for moulding foamed articles and the articles so moulded |
| 08/19/1980 | US4218415 Manufacture of foam coated rod-like elements particularly for supporting pot-grown plants in general |
| 08/19/1980 | US4218203 Multi-station reaction injection molding apparatus |
| 08/19/1980 | CA1083798A1 Method for producing hollow cylindrical structures |
| 08/06/1980 | EP0013882A1 Apparatus for discontinuously making blocks of foam plastic |
| 08/06/1980 | EP0013881A1 Apparatus for discontinuously making blocks of foam plastic |
| 08/06/1980 | EP0013816A1 Apparatus for shaping plastic foams |
| 08/05/1980 | US4216181 Process for applying a layer of a liquid foamable reaction mixture to a continuously moving shaping support |
| 08/05/1980 | US4216177 Polyurethane foam product and process of manufacture thereof from thermosetting frothed mixture |
| 07/29/1980 | US4215166 Foamable thermoplastic stick and foamed element made therefrom |
| 07/29/1980 | US4214864 Continuous molding apparatus with cover belt |
| 07/22/1980 | US4213925 Process for continuously producing foamed sheets |
| 07/15/1980 | US4212614 Disc brake holding device for pivotal elements of expandable plastics molds |
| 07/15/1980 | CA1081418A1 Method and apparatus for producing foamed articles |
| 07/15/1980 | CA1081417A1 Pumped injection of gas for making foamed platic |
| 07/08/1980 | US4211739 Foam extrusion apparatus and method |
| 07/08/1980 | US4211523 Gas-flow control apparatus for equipment for producing foamed plastic |
| 07/08/1980 | US4211407 Game ball |
| 07/01/1980 | US4210616 Apparatus for forming plastic |
| 07/01/1980 | US4209862 Composite marble-like sinks and bathtubs |
| 06/25/1980 | EP0012732A1 Method of making a thin-walled hollow object of plastic and arrangement therefor |
| 06/24/1980 | US4209564 Flexible foamed product with skin and process for its manufacture |
| 06/24/1980 | US4209354 Method of making an applique article |
| 06/24/1980 | CA1079919A1 Method for making structural foams with facing sheets |
| 06/17/1980 | US4208368 Method and apparatus for injection molding foamed plastic articles using a pre-pressurized mold having fixed core members with controlled venting |
| 06/17/1980 | US4208367 Process and apparatus for making rod-shaped bodies from sinterable granular material |
| 06/10/1980 | US4207378 Expanded styrene-polymers and polyolefin micro-bits and their preparation |
| 06/10/1980 | US4207279 High block heights, greater diameters |
| 06/10/1980 | US4207278 Method for preparing a composite foamed resin article having a metallic layer |
| 06/03/1980 | US4206166 Process of producing polyolefin foam moldings |
| 06/03/1980 | US4206165 Method of co-extrusion with foam core |
| 06/03/1980 | US4206164 Method and apparatus for maintaining the concentricity of a molded pipe |
| 06/03/1980 | CA1078999A1 Anti-lumping coating for polystyrene beads |
| 05/28/1980 | EP0011157A1 Apparatus for making foam plastics mouldings |
| 05/28/1980 | EP0011132A1 Method of producing moulded articles from rigid polyurethane foam boards provided with covering layers |
| 05/27/1980 | US4204612 System for applying foam insulation |
| 05/20/1980 | US4204086 Foaming onto a conductor |
| 05/20/1980 | US4204048 Halopolymers crosslinked with a 1,3-diaminopropane |
| 05/20/1980 | US4204019 Polyisocyanurate foam laminate and process |
| 05/20/1980 | US4203815 Applying both high and low energy ionizing radiation |
| 05/14/1980 | EP0010789A1 Heat-curable, elastomer-forming composition crosslinked with 1,3-diamino propane and method for preparing the composition |
| 05/14/1980 | EP0010787A1 Isomerisation of 3-azabicyclo(3.1.0)hexane derivatives |
| 05/14/1980 | EP0010645A1 Method of making tennis balls and tennis ball produced by this method |
| 05/13/1980 | CA1077216A1 Multilevel embossing of sheet materials |
| 05/06/1980 | US4201818 Flexible plastic foam |
| 05/06/1980 | US4201742 Method and apparatus for injection molding foamed resin products having a smooth finish on their surface |
| 05/06/1980 | US4201480 Extrusion apparatus for manufacturing foamed thermoplastic material |
| 05/06/1980 | US4201321 Applicator device for flowable reaction masses |
| 05/06/1980 | US4201150 Apparatus for coating a web |
| 04/30/1980 | EP0010482A1 Method of manufacturing an object of foamed plastics provided with a fastener of the touch-and-close type, strip produced according to this method and use in the manufacture of seats |
| 04/29/1980 | US4200603 Heating bottom film prior to foaming avoids formation of bottom crusts |
| 04/29/1980 | CA1076746A1 Process for expanding polystyrene foam sheets |
| 04/22/1980 | US4199389 Plastic foam core and surface skin |
| 04/22/1980 | US4199310 Extrusion apparatus |
| 04/22/1980 | CA1075864A1 Apparatus for producing a body of porous thermoplastic material |
| 04/17/1980 | WO1980000675A1 Method of preparation,with machine aids,f shoes with comple tely coated soles |
| 04/08/1980 | US4197269 Process for production of large dimension polyester-derived polyurethane foam |
| 04/02/1980 | EP0009403A1 Reinforced structures, their application and method of forming such structural units |
| 04/01/1980 | US4196160 Method and apparatus for forming foam cushions |
| 04/01/1980 | CA1074517A1 Manufacture of polymeric foam |
| 04/01/1980 | CA1074515A1 Method of and apparatus for making a non-slip plastics film |
| 03/25/1980 | US4194280 Process for the manufacture of rigid and impervious insulating panels |
| 03/25/1980 | CA1074191A1 Lightweight glass fiber reinforced polyester laminate and method of making the same |
| 03/25/1980 | CA1074087A1 Apparatus for producing insulating panels |
| 03/19/1980 | EP0009024A1 Method of and means for producing a body of a foamed solid |
| 03/19/1980 | EP0008960A2 A foamed resin structural material and process for manufacturing the same |
| 03/19/1980 | EP0008689A1 A method and an arrangement for the manufacture of a material web of foamed thermoplastics |
| 03/18/1980 | US4193957 Foam layer of a polymer, curing |
| 03/18/1980 | CA1073620A1 Extrusion foamed article and process for producing the same |
| 03/11/1980 | US4192839 Process for producing expanded article of thermoplastic resin |
| 03/11/1980 | US4192638 Molding device having heat transfer chambers insulated from each other for molding expandable thermoplastic resin particles |
| 03/11/1980 | CA1073169A1 Steam aperture device |
| 03/04/1980 | US4191722 Method of molding a composite synthetic resin foam roofing structure having an integral skin thereon |
| 03/04/1980 | US4191523 Press apparatus for molding shaped bodies from foamable plastic materials |
| 03/04/1980 | US4191254 Apparatus and method for plugging voids in a ground stratum |
| 02/26/1980 | US4190697 Multidensity foam article and method of preparation |