Claims
- 1. A multi-layer identification card comprising a card layer for carrying at least part of the information the card provides on one surface of said card layer; a transparent, protective plastic film covering all of the one surface of said card layer; an adhesive layer securing said card layer one surface to the said protective plastic film; the adhesive strength of the adhesive layer being greater than the tensile strength of the protective plastic film, whereby the film is irreversibly destroyed if removed from the card layer; steel gravure printing formed on the exterior surface of the protective plastic film prior to engagement of said film with said card one layer; said printing being highly visible and readily sensed by touch for verification purposes; the original relief present in said steel gravure printing of said transparent sheet being substantially unchanged in said indentification card after said transparent film covering is secured to said card layer one surface.
- 2. The identification card of claim 1 in which said steel gravure printing comprises diagonal color segments providing color transitions.
- 3. The identification card of claim 1 in which said card is multilayered and at least one of such layers is formed of paper.
- 4. The identification card of claim 1 in which said card is formed entirely of plastic.
- 5. The identification card of claim 1 in which said protective film is formed of cellophane and said adhesive layer comprises an acrylic plastic.
- 6. The identification card of claim 1 in which the protective film is secured to said layer by an adhesive and the resistance of the protective film to irreversible distortion is less than the strength of the adhesive.
- 7. The identification card of claim 1 in which said protective film is formed of polyvinyl chloride and said adhesive is acrylic-based.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2845400 |
Oct 1978 |
DEX |
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Parent Case Info
This is a continuation of application Ser. No. 082,267 filed Oct. 5, 1979, now abandoned, hereby incorporated by reference.
US Referenced Citations (16)
Foreign Referenced Citations (9)
Number |
Date |
Country |
2160732 |
Oct 1972 |
DEX |
2262162 |
Aug 1973 |
DEX |
2308876 |
Sep 1973 |
DEX |
2756692 |
Dec 1977 |
DEX |
1564311 |
Apr 1969 |
FRX |
2301059 |
Oct 1976 |
FRX |
1079835 |
Aug 1967 |
GBX |
1100423 |
Jan 1968 |
GBX |
1265483 |
Mar 1972 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Richtlinien fur den Druck von Wertpapieren, Dec. 5, 1974. |
Continuations (1)
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Number |
Date |
Country |
Parent |
82267 |
Oct 1979 |
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