Coating processes – Transfer or copy sheet making – Coating opposite sides or forming plural or nonuniform coats
Patent
1979-12-10
1983-07-05
Hess, Bruce H.
Coating processes
Transfer or copy sheet making
Coating opposite sides or forming plural or nonuniform coats
156231, 156234, 156239, 156240, 156249, 156278, 156279, 156283, 1563082, 1563084, 1563093, 1563244, 427118, 427202, 4272071, 4272086, 4272088, 427258, 427261, 427265, 427286, 427333, 427386, 428 42, 428195, 428202, 428914, B41M 312, B44C 116
Patent
active
043918530
ABSTRACT:
The disclosed adhesive products include a carrier sheet bearing a polymeric film and an adhesive layer, overlying the film as in dry transfers or underlying the film in products such as wire markers and other labels, or there may be adhesive layers both over and underneath the polymeric film. A constituent initially contained in the polymeric film layer migrates into an ordinarily non-tacky precursor of the adhesive layer, thereby rendering the precursor tacky. The precursor layer becomes adhesive only where it is opposite the polymeric film, being non-tacky outside the area of the film. In important applications, the common area of film and adhesive layers does not cover the whole carrier sheet. Both the adhesive precursor layer and the polymeric film may include portions extending outside the common area.
REFERENCES:
patent: 2567067 (1951-09-01), Grupp et al.
patent: 3129816 (1964-04-01), Bond et al.
patent: 3298850 (1967-01-01), Reed et al.
Hess Bruce H.
The Datak Corporation
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