| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 11/24/1988 | DE3715276A1 Method and device for manufacturing cushion elements by back-foaming the covering material |
| 11/24/1988 | DE3714772A1 Sheathing part and method for its manufacture |
| 11/23/1988 | EP0291764A1 Method of manufacturing foamed polypropylene resin sheet |
| 11/23/1988 | EP0191021B1 Process for manufacture of a receptacle for work items, operating objects and variously-shaped articles |
| 11/22/1988 | US4786447 Method of molding skin-covered foamed plastic article |
| 11/22/1988 | US4786351 Process and apparatus for simultaneously shaping foam and laminating fabric thereto |
| 11/17/1988 | EP0291179A1 Preparation of alkenyl aromatic polymer foam and product |
| 11/17/1988 | EP0290481A1 Method of manufacturing a form stable heat insulating bowl |
| 11/15/1988 | US4784904 Water as blowing agent for polyurethane foam |
| 11/15/1988 | US4784890 Fastener assembly with peripheral temporary attachment layer |
| 11/15/1988 | US4784366 Pour hole lock system |
| 11/15/1988 | US4784087 Clamping apparatus for use in foaming water heaters |
| 11/09/1988 | EP0289764A2 Foam-filling method for the bell-shaped hollow space between inner and outer walls of containers or the like, preferably the hollow space between the inner and outer walls of refrigerators or freezers |
| 11/09/1988 | CN88101990A Apparatus for manufacturing foamed body |
| 11/08/1988 | USRE32780 Core material for an automobile bumper |
| 11/08/1988 | US4783295 Supplying liquid-gas mixture to static mixer, pressurization, and curing-reduction of voids |
| 11/08/1988 | US4783292 Method of injection molding a foamed plastic article using a relatively light gas as a blowing agent |
| 11/08/1988 | US4783291 Method and apparatus for foam extrusion into a vacuum chamber having a liquid baffle with control of the liquid level |
| 11/08/1988 | US4783287 Method for the continuous production of foam material |
| 11/08/1988 | CA1244207A1 Manufacture of a hot water heater tank from a fiber reinforced polyester based plastic material |
| 11/02/1988 | EP0289369A1 Process for making a flexible pipe with marking and/or fixing means |
| 11/02/1988 | EP0288634A1 A process for producing mouldings from an expanded styrene polymer |
| 11/01/1988 | US4781774 Method of manufacturing foam core panels for sound absorption |
| 11/01/1988 | US4781773 Extrusion of rectangular outer tubes with cylindrical central cavities, cutting, sealing; pills |
| 11/01/1988 | US4781555 Apparatus for forming molded patterns |
| 11/01/1988 | CA1244200A1 Process for the production of expanded particles of a polymeric material |
| 10/26/1988 | EP0288130A2 Interior trim foam product and method of fabrication thereof |
| 10/26/1988 | EP0287903A2 Cushion having flexible outer membrane and multi-density resilient foam member therein and method for making same |
| 10/26/1988 | EP0287826A2 Process for producing foamed thermoplastic resin articles |
| 10/25/1988 | US4780483 Wood-like polymeric composition |
| 10/25/1988 | US4779762 Method and apparatus for controlling the gas content of dispensed hot melt thermoplastic adhesive foam |
| 10/25/1988 | CA1243459A1 Process for molding formed articles |
| 10/20/1988 | WO1988008013A1 A method of extruding an alkenyl aromatic synthetic resin foamed body having closed cells |
| 10/19/1988 | EP0287230A2 Method of providing a foamed mass in a cavity |
| 10/19/1988 | EP0287011A1 Method for producing polypropylene foam |
| 10/18/1988 | US4778829 Heating aqueous dispersion containing blowing agent under pressure and releasing to lower pressure; large diameters |
| 10/18/1988 | US4778631 Method and apparatus for foaming high viscosity polymer materials |
| 10/12/1988 | EP0286571A2 Improved sound absorption in foam core panels and their method of manufacture |
| 10/12/1988 | EP0286320A2 Method of manufacturing a pipeline pig having a rough textured surface |
| 10/12/1988 | EP0286058A2 Composite load-bearing structural element and relative manufacturing process |
| 10/12/1988 | EP0286015A2 Method and apparatus for foaming high viscosity polymer materials |
| 10/11/1988 | US4777186 Polymerizing at elevated pressure sufficient to prevent polymer from filling chamber |
| 10/11/1988 | US4777000 Production method of expansion-molded article of polypropylene resin |
| 09/27/1988 | US4774121 Using natural occurring hollow members with reinforced plastic surfaces; bamboo stalks |
| 09/27/1988 | US4773448 Freeze-resistant plastic pipe and method for its manufacture |
| 09/22/1988 | DE3708385A1 Heating device |
| 09/21/1988 | EP0282885A2 Method and apparatus for producing moulded foam articles having a solidified outer skin |
| 09/21/1988 | EP0282848A2 Process for producing polyolefin foams |
| 09/20/1988 | US4771532 Method of assembling a refrigerator |
| 09/14/1988 | EP0282337A2 Reinforcement of foam composites |
| 09/14/1988 | EP0282146A2 Apparatus for forming composite products |
| 09/14/1988 | EP0281971A2 Process for making hollow articles from multi-layered plastic material |
| 09/14/1988 | EP0281724A1 Method and apparatus for moulding a layer of foamed plastic material on sheet material |
| 09/14/1988 | EP0281609A1 A method for producing cellular pvc plastic |
| 09/14/1988 | EP0281596A1 Process of forming a contoured insulating sheet. |
| 09/14/1988 | CN88100450A Foaming polyvinyl chloride air filling balls |
| 09/13/1988 | US4771081 Pre-expanded polystyrene beads coated with antistatic agent; for thermoplastic cups and containers |
| 09/07/1988 | WO1988006608A1 Moldable silane-crosslinked polyolefin foam beads |
| 09/07/1988 | EP0280993A1 Moldable silane-crosslinked polyolefin foam beads |
| 09/06/1988 | US4769278 Resilient multi layered member incorporating skin layer, foam layer cushion layer and core, and method of manufacture thereof |
| 09/06/1988 | US4769188 Method of forming a decorative foamed resin speaker cover |
| 09/06/1988 | US4768678 Method for manufacturing a composite foamed water-heater body from a foamed fiber-reinforced polyester resin and the resultant product |
| 09/06/1988 | CA1241587A1 Method of manufacturing foam insulated tank |
| 08/31/1988 | EP0280154A2 Mouldable semi-product for the manufacture of moulded parts with flexional strength |
| 08/30/1988 | US4767581 Building construction element and the machine and method for its manufacture |
| 08/30/1988 | CA1241165A1 Integral composite profile of cellular and non- cellular resins |
| 08/25/1988 | WO1988006094A1 Foam structure of coalesced foam strands or profiles |
| 08/24/1988 | EP0279668A2 Faom structure of coalesced foam strands of profiles |
| 08/24/1988 | EP0279551A2 Continuous process for producing mattresses |
| 08/24/1988 | EP0279455A2 Process for production of expansion-molded articles of linear low density polyethylene resins |
| 08/24/1988 | EP0279324A2 Method of producing upholstery, especially for motor car seats |
| 08/24/1988 | EP0279323A1 Device for applying a free-flowing reaction mixture creating a foamed material to a support |
| 08/24/1988 | EP0279074A1 Method of making an inner shoe for a sports shoe, in particular a ski shoe |
| 08/24/1988 | EP0279024A2 Method for the continuous manufacture of a flexible heat-insulating tube |
| 08/23/1988 | US4766031 Integral foam body and method of manufacturing the same |
| 08/23/1988 | US4765935 Method for foaming insulations in refrigerators and the like |
| 08/18/1988 | DE3703398A1 Process for producing foamed plastic moulded parts and moulded parts of foamed plastic |
| 08/17/1988 | EP0278622A2 Shaping of syntactic foam |
| 08/16/1988 | US4764420 Air and moisture impervious polymer between fibrous sheet and foam |
| 08/16/1988 | US4764408 Foam plastic baffle for fluid containers |
| 08/16/1988 | CA1240603A1 Molded carpet assembly with sound deadening foam backing |
| 08/16/1988 | CA1240464A1 Method for manufacturing foamed plastics |
| 08/11/1988 | WO1988005989A1 Flat heating element for incorporation into vehicle seats |
| 08/10/1988 | EP0277573A2 Apparatus for applying a flowable and foamable reactive mixture to a substrate for the manufacture of foam sheets or plates |
| 08/09/1988 | US4762654 Method for making foamed articles having a laminated structure |
| 08/04/1988 | DE3702280A1 Process for producing a carpet-foam composite moulding |
| 08/04/1988 | DE3701953A1 Boat hull and method of manufacturing it |
| 08/03/1988 | EP0277001A2 Foamed PVC pneumatic ball |
| 08/02/1988 | US4761431 Pre-expanded particles of propylene resin |
| 08/02/1988 | US4761257 Method and apparatus for foam molding packaging using a staged vacuum |
| 08/02/1988 | US4761256 Method for producing microcellular foamed plastic material with smooth integral skin |
| 07/29/1988 | EP0262184A4 A panel and method of forming same. |
| 07/29/1988 | EP0220238A4 Method and apparatus for the preparation of foamed thermoplastic articles. |
| 07/28/1988 | WO1988005379A1 Method and apparatus for producing microcellular foamed plastic material with smooth integral skin |
| 07/28/1988 | DE3801330A1 Dichtungspackung fuer eine kraftfahrzeug-klimaanlage Packing for a motor vehicle-air-conditioned |
| 07/27/1988 | EP0275389A2 Method of making upholstered parts for vehicles |
| 07/26/1988 | US4759973 Covering for electrical hardware consists of polyethyene, ethylene-vinyl acetate copolymer and color concentrate |
| 07/26/1988 | US4759891 Covering mold with plastic sheet, placing open ended carton over mold, securing flaps, dispensing foam precursors into carton and onto mold, foaming, setting |
| 07/26/1988 | US4759700 Apparatus for the production of cushions with back-foamed covers |
| 07/20/1988 | EP0274720A2 Mould for the production of quadrangular form blocks |