Container lid with an opener device

Details Container lid with an opener device Container lid with an opener device

1984-06-13

1985-04-30

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 1734

Patent

active

045138761

ABSTRACT:
A lid for a packaging container including an easy opening tear-open part which is surrounded by a weakened line. The lid is molded from a compound material, which has an outer carrier layer of plastic, a middle barrier layer of metal foil and an inner heat-sealing layer of a thermoplastic material. In order to facilitate the initial tear of the tear-open part, the middle barrier layer is also thinned or ruptured at least in the starting segment in a location coinciding with the weakening line in the carrier layer.

REFERENCES:
patent: 4267937 (1981-05-01), Piltz et al.
patent: 4403710 (1983-09-01), Hirota et al.
patent: 4428494 (1984-01-01), Hirota et al.
patent: 4448324 (1984-05-01), Jeppsson et al.

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