Easy-open metal-plastic laminate can lid

Details Easy-open metal-plastic laminate can lid Easy-open metal-plastic laminate can lid

1992-11-25

1993-08-10

Garbe, Stephen P.

Receptacles

Closures

With closure opening arrangements for means

229205, 229237, B65D 4132

Patent

active

052341232

ABSTRACT:
The invention relates to lids of easy-opening cans for perishable foodstuffs, and a method of obtaining them. These lids are composed of a metal foil and a plastics film, the metal foil having a mechanical non-traversing pre-incision corresponding to a tearing line and the thermo-shrinkable plastics film having a continuous depression situated opposite the mechanical pre-incision. The pre-incision and the depression, obtained by the action of heat, makes it possible to avoid the defects known as "feathering" and the plastics film is less expensive and more resistant to corrosion than is conventional lacquer.

REFERENCES:
patent: 1542097 (1925-06-01), Ripley
patent: 3909582 (1975-09-01), Bowen
patent: 4491224 (1985-01-01), Horvath
patent: 4740163 (1988-04-01), Kuchenbecker
patent: 5000321 (1991-03-01), Heilmann et al.

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