Sealed card

Details Sealed card Sealed card

1990-01-26

1991-06-04

Yost, Frank T.

Printed matter

Having revealable concealed information, fraud preventer or...

By removeable material

283111, 229 928, 428202, B42D 1502

Patent

active

050208306

ABSTRACT:
A sealed card comprises a card substrate and a cover sheet disposed over the surface of the card substrate for sealing the substrate, wherein a transparent resin film having a thin transferable membrane with a hiding power releasably deposited thereon is put between the card substrate and the cover sheet by a transparent pressure sensitive adhesive layer and another pressure sensitive adhesive layer, respectively. The card surface is usually covered and concealed by the cover sheet and the thin transferable membrane and can be read through the transparent resin film by easily peeling the cover sheet together with the thin transferable member from the surface of the resin film. The sealed card can be manufactured easily.

REFERENCES:
patent: 3891242 (1975-06-01), Arnold et al.
patent: 4174857 (1979-11-01), Koza
patent: 4278199 (1981-07-01), Tanaka
patent: 4378392 (1983-03-01), Segel
patent: 4421816 (1983-12-01), Arnold
patent: 4598003 (1986-07-01), Renholts
patent: 4624875 (1986-11-01), Watanabe et al.
patent: 4742954 (1988-05-01), Shishido
patent: 4807807 (1989-02-01), Glick
patent: 4885198 (1989-12-01), Kimura

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