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| Number | Title | Issue Date |
| 4036675 | Film-lined foam plastic receptacles and laminated materials and methods for making the same A low-cost, throw-away receptacle such as a cup, picnic plate, or container, and closures for such receptacles, are made from foamed plastic material, preferably foamed polystyrene, which is lined on one or both sides with unoriented polyolefin film, pref... | 07/19/1977 |
| 3994761 | Method of making hose A method for making hose including the steps of spiralling plies of thermoplastic tubing over a vulcanizable elastomeric tube where the tubing of successive plies are oppositely spiralled from each other; pressurizing and sealing the tubing; heating the a... | 11/30/1976 |
| 3971866 | Thermoformable release liner Thermoformable release liner for use in sheet products subjected to deep-draw thermoforming operations and which may be readily removed as generally one piece by hand-pulling after the thermoforming operation is completed, comprises a multilayer structure... | 07/27/1976 |
| 3969455 | Method for forming, sealing, capping and pasteurization of beverage in plastic container This disclosure relates to a method utilizing an apparatus defining an open ended mold cavity, operable in conjunction with a piston supporting a closure cover for a container to be formed in the cavity which is shiftable inwardly into the open end of the... | 07/13/1976 |
| 3962392 | Methods of molding moldable textile fabrics Molding thermoformable textile fabric (knit, woven or otherwise), and particularly stretch fabric, into a permanent three-dimensional shape by vacuum-molding in a cavity in a vacuum mold, wherein flow of air through the fabric is blocked to enable it to b... | 06/08/1976 |
| 3955266 | Vacuum sealed molding process for producing molds having a deep concave portion or a convex portion A molding process for casting operations in which castings having a deep concave portion or a high convex portion such as pots and bathtubs are cast using vacuum sealed molds on which films are applied to be in tight contact with them, and a film forming ... | 05/11/1976 |
| 3953273 | Process for forming visual display packages Method for forming visual display packages from blanks in which a plastic film covers a window region in the package, and in which a tab formed as part of the blank extends into the window region to support an article to be contained in the package and se... | 04/27/1976 |
| 3943215 | Method for the production of a foam cushion with a covering A foam cushion with a covering of an elastic textile sheet structure is produced in a vacuum deep-draw mould by holding the sheet structure down during the suction cycle with a hold-down plate, but allowing it to slip through locally.... | 03/09/1976 |
| 3933562 | Method of laminating a plastic sheet onto a surface of a hollow body A method of laminating a plastic sheet onto a surface of a hollow body is disclosed. The method of laminating a plastic sheet onto a surface of a hollow body includes the steps of loading the hollow body into the female die, securing the plastic sheet in ... | 01/20/1976 |
