Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-04-19
1989-09-12
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
15624422, 15624424, 15624427, 428286, 428461, 428511, 428512, 4285371, 4285375, B32B 2700
Patent
active
048659126
ABSTRACT:
The decorative sheets and decorative boards of this invention each comprise a laminated structure which includes a first sheet of fibrous material (such as Japanese paper, kraft paper, tissue paper or impregnated paper), a first heat-sealable resinous layer (such as polyethylene or polypropylene), a sheet of metal foil (such as aluminum or iron), a second heat-sealable resinous layer (such as polyethylene or polypropylene) and a second sheet of fibrous material (such as Japanese paper, kraft paper, tissue paper or impregnated paper), with a precious-wood layer bonded to the surface of the laminated structure. For decorative boards, a base material (such as a plywood) is bonded to the back surface of the laminated structure, through an adhesive layer of a cold-curable, thermosetting or thermoplastic resin, by hot pressing, cold pressing or a combination thereof. The decorative sheets and decorative boards preferably are manufactured by a process of melt-extrusion laminating.
REFERENCES:
patent: 3503831 (1970-03-01), Oyama
Hokusan Kabushiki Kaisha
McCamish Marion C.
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