Frangible bonding using blush lacquer and packaging bonded there

Details Frangible bonding using blush lacquer and packaging bonded there Frangible bonding using blush lacquer and packaging bonded there

1974-06-24

1976-02-17

Summer, Leonard

Special receptacle or package

For body treatment article or material

With gas permeable cover

53 21FC, 229 51WB, 206498, B65D 7560, B65B 5510

Patent

active

039386597

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: 3001689 (1961-09-01), Burton
patent: 3061087 (1962-10-01), Scrivens et al.
patent: 3217871 (1965-11-01), Lee
patent: 3527400 (1970-09-01), Shepherd et al.
patent: 3595465 (1971-07-01), Vaillancourt
patent: 3753841 (1973-08-01), Wheeler
patent: 3891089 (1975-06-01), Goodwin et al.

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