Process for manufacturing a body of moisture-proof container for

Details Process for manufacturing a body of moisture-proof container for Process for manufacturing a body of moisture-proof container for

1973-12-26

1976-01-20

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156224, 156257, 206538, B29C 1703, B32B 330, B65D 8542

Patent

active

039335593

ABSTRACT:
A process for manufacturing a body of a moisture-proof container having at least two recesses for packaging purposes which comprises adhering a metal foil to a first thermoplastic resin film with a hot melt-type adhesive to form a laminated sheet, forming at least two closed blank portions in said laminated sheet by cutting only the metal foil, adhering a second thermoplastic resin film on the surface of the metal foil and stretch-forming said closed blank portions of the laminated sheet at a temperature wherein the hot melt-type adhesive and the thermoplastic resin films are softened, thereby forming said recesses.

REFERENCES:
patent: 2618381 (1952-11-01), Gilbert
patent: 3145112 (1964-08-01), Boegershausen
patent: 3311229 (1967-03-01), Troll et al.
patent: 3331495 (1967-07-01), Leckzik et al.
patent: 3371404 (1968-03-01), Lemelson
patent: 3645822 (1972-02-01), Widiger et al.
patent: 3778323 (1973-12-01), Posner
patent: 3780856 (1973-12-01), Braverman

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