Stock material or miscellaneous articles – Sheet – web – or layer weakened to permit separation through...
Patent
1978-12-20
1981-01-20
Epstein, Henry F.
Stock material or miscellaneous articles
Sheet, web, or layer weakened to permit separation through...
40 22, 283 8R, 428195, 428198, 428916, B32B 714, B65D 6528, G09F 300
Patent
active
042463076
ABSTRACT:
A laminate for use as a sticker, identity card, or the like has a back sheet having a front face bearing indicia and a back face that is provided with adhesive to adhere it to a substrate. The front face is adhered to a transparent cover sheet by means of a plurality of spaced-apart adhesive zones, so that any attempt to peel apart the laminate will result in tearing of the back sheet at these zones. In addition the adhesive on the back sheet may be provided in zones alternating with the zones on the front of the back sheet, so that irreversible destruction of this back sheet is ensured in the event of tampering.
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patent: 3508754 (1970-04-01), Shorin
patent: 4032679 (1977-06-01), Aoyagi
patent: 4070774 (1978-01-01), Staats et al.
Epstein Henry F.
Ross Karl F.
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