Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1996-01-04
1997-12-30
Stemmer, Daniel
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156290, 156292, 1563084, 264293, 428 76, B32B 1508, B32B 3120, B32B 3122
Patent
active
057025541
ABSTRACT:
A process of laminating gold foil includes the steps of pressing a gold piece to form an elongated thin gold foil having an even thickness from 0.3 mm to 1 mm; cutting the gold foil to a plurality of gold foil pieces with predetermined size; placing each of the gold foil pieces between two plastic sanding mold sheets having a size larger than the gold foil piece, in which each of the two plastic sanding mold sheets has an interior sanded surface; pressing the two plastic sanding mold sheets onto the two surfaces of the gold foil piece so as to press the surfaces of the gold foil piece to form sanded surfaces; removing the sanded gold foil piece from the pair plastic sanding mold sheets and placing the sanded gold foil piece between two plastic laminating sheets having a size larger than the sanded gold foil piece; heating and pressing the two plastic laminating sheets with the sanded gold foil piece positioning there between, wherein the sanded surfaces of the sanded gold foil piece are integrally attached to the interior surfaces of the two plastic laminating sheets so as to form a rigid laminated gold foil card piece with transparent plastic coating on the two sanded surfaces of the sanded gold foil piece; and cutting the laminated gold foil card piece to remove the plastic fringe to form a gold foil card of predetermined shape and size.
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patent: 4250135 (1981-02-01), Orsini
patent: 4401499 (1983-08-01), Kaneko
patent: 5007271 (1991-04-01), Boegli
patent: 5120589 (1992-06-01), Morikawa
Chan Raymond Y. C.
Stemmer Daniel
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