Pop-a-top canning jar lids

Details Pop-a-top canning jar lids Pop-a-top canning jar lids

1977-04-25

1979-06-26

Price, William

Bottles and jars

Closures

Frangible member or portion

215256, 215275, 215276, 220276, 220320, B65D 5302, B65D 4132

Patent

active

041590619

ABSTRACT:
A closure assembly for a glass canning jar has an internally threaded skirt portion and a transverse lid portion having a rim section separated from a center section by a continuous weakened region in the form of a surface groove. A manual pull member is mounted on the center section. The transverse lid portion may be integral with the skirt or may comprise a separate member.

REFERENCES:
patent: 1978978 (1934-10-01), Bailey
patent: 3332565 (1967-07-01), Elser
patent: 3437254 (1969-04-01), Bergstrom
patent: 3445023 (1969-05-01), Giessler et al.
patent: 3836033 (1974-09-01), Podesta

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