Frangible bonding using blush lacquer

Details Frangible bonding using blush lacquer Frangible bonding using blush lacquer

1975-10-24

1981-10-20

Dixon, Jr., William R.

Stock material or miscellaneous articles

Composite

Of natural gum, rosin, natural oil or lac

428200, 428211, 428212, 428347, 428354, 156344, 206439, 206484, B32B 906, C09J 702, A61B 1706

Patent

active

042961793

ABSTRACT:
A frangible bonding system utilizes blush lacquer as the frangible link in a system for bonding a substrate to a surface, such as the surface of a cover layer. The system is particularly adapted for packaging sterilized products. A substrate, such as paper, is coated with a layer of blush lacquer and dried. An adhesive, such as heat seal material, is superposed. A cover layer is overlaid, with a product between the layers. The package is then sealed and sterilized. Opening of the package is by peeling the cover layer and substrate from one another, breaking the cohesive internal bonds of the blush lacquer.

REFERENCES:
patent: 2477196 (1949-07-01), Mohr
patent: 2939802 (1960-06-01), Werle et al.
patent: 2957791 (1960-10-01), Bechtold
patent: 3020172 (1962-02-01), Mohnhaupt
patent: 3174889 (1965-03-01), Anderson et al.
patent: 3527400 (1970-09-01), Shepherd et al.
patent: 3595468 (1971-07-01), Repko
patent: 3675844 (1972-07-01), Sorrell
patent: 3753841 (1973-08-01), Wheeler
patent: 3938659 (1976-02-01), Wardwell

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