| Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824) |
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| 02/24/1976 | US3940468 Process for laminating rigid polyurethane foam to a gelled polyester resin |
| 02/24/1976 | US3940467 Method of injection molding a structural foamed thermoplastic article having a uniform swirl-free and indent-free surface |
| 02/17/1976 | US3939237 Method of making a fluid transmitting porous tube or sheet |
| 02/17/1976 | US3939235 Process for continuous production of thin polyurethane foam layers |
| 02/10/1976 | US3937777 Liquid expanding agents |
| 02/10/1976 | US3937447 Injection molding apparatus |
| 02/03/1976 | US3936565 Molded plastic article and method |
| 02/03/1976 | US3936519 Method of extruding foamed plastic sheathed pencils |
| 02/03/1976 | US3936518 Process for preparing a synthetic wood |
| 02/03/1976 | US3935632 Method of preparing an insulated negative buoyancy flow line |
| 01/27/1976 | US3935044 Method of manufacturing improved protective headgear |
| 01/20/1976 | USRE28689 Method of molding a building structure by spraying a foamed plastic on the inside of an inflatable form |
| 01/20/1976 | US3933959 Preparation of dunnage material |
| 01/20/1976 | US3933549 Laminated floor manufacturing method |
| 01/20/1976 | US3933312 Gating arrangement for the moulding working of plastics formed from a plurality of fluid constituents |
| 01/13/1976 | US3932252 Stripping, coating |
| 01/13/1976 | US3932245 Mechanical embossing of foamed sheet material |
| 01/06/1976 | US3931429 Surface covering materials |
| 01/06/1976 | US3931381 Mold release method for polyurethane integral-skin foam |
| 01/06/1976 | US3931380 Method of making nestable foamed plastic cups |
| 01/06/1976 | US3931379 Expandable styrene polymer |
| 01/06/1976 | US3931378 Foam bead bottom plastic cup and method of making same |
| 01/06/1976 | US3931098 Method for producing webs, panels or sandwich elements of foam plastics reinforced with rovings |
| 01/06/1976 | US3930919 Preparation of a thermosetting resin article |