Information bearing card

Details Information bearing card Information bearing card

1995-10-11

1998-11-03

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428206, 428515, 428516, 428916, 430 10, 430 14, 283107, 283111, 283112, 283904, B32B 300, B32B 2732, B42D 1510

Patent

active

058305610

ABSTRACT:
A card, such as an ID card, is composed of the following layers: at least one core layer containing at least one first core component layer of a first composition, consisting of a polypropylene block polymer and/or polyropylene homopolymer or a mixture thereof and a second core component layer provided on at least the exterior face to which an outer layer has been laminated and is made of a second composition, consisting of unoriented polypropylene or an unoriented copolymer; at least one outer layer containing at least one outer component layer made of a third composition of polypropylene homopolymer and a second outer component layer provided on at least the exterior face with which the outer layer is laminated to the core layer and which contains a fourth composition of unoriented-polypropylene or an unoriented copolymer. The first and second core component and outer component layers are solidly connected with each other by coextrusion.

REFERENCES:
patent: 4429015 (1984-01-01), Sheptak

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