Releasable self-adhesive laminate

Details Releasable self-adhesive laminate Releasable self-adhesive laminate

1988-05-10

1990-03-27

Bell, Paul A.

Printed matter

Having revealable concealed information, fraud preventer or...

By removeable material

283 81, 283112, 283901, 283904, B42D 1500

Patent

active

049114778

ABSTRACT:
A releasable self-adhesive film laminate designed for a sealed label or card comprises a pair of transparent films made of a thermoplastic EVA composition mainly comprising about 3 to 18% by weight of vinyl acetate and about 97 to 82% by weight of ethylene formed through a thermoforming process, for example, blow-molding and urging facing inner walls of the molded tubular film to each other, while hot, under pressure. A sealed label or card can be made easily and simply by using the releasable self-adhesive film laminate.

REFERENCES:
patent: 4277089 (1981-07-01), Lockhart
patent: 4318235 (1982-03-01), Augeri
patent: 4379573 (1983-04-01), Lomeli et al.
patent: 4479838 (1984-10-01), Dunsirn et al.
patent: 4512581 (1985-04-01), Levine
patent: 4674771 (1987-06-01), Thompson, II
patent: 4742954 (1988-05-01), Shishido

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