Waterproof art

Details Waterproof art Waterproof art

1994-03-15

1995-07-04

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 92, 156256, 281 38, 283107, 283111, 283 61, 402 79, 401581, 40597, B32B 310, B32B 3118

Patent

active

054297001

ABSTRACT:
A sealed aperture is formed in a laminated assembly by prepunching a central sheet such as a paper art print to form a first aperture and then laminating the art print between two sheets of laminating film to form a laminated assembly in which the two films are fused together in the aperture to form a single film in the form of a disc. A second aperture is then punched through the disc having a smaller diameter than the film aperture such that a sealed border remains between the second aperture and the first aperture.

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patent: 5074593 (1991-12-01), Grosso

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