Container closure

Details Container closure Container closure

1980-04-28

1982-12-28

Sipos, John

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53487, 413 12, B65B 728, B65B 6118

Patent

active

043654576

ABSTRACT:
A seal and closure for a container end includes a metal foil seal having a cylindrical part sealed to the inner surface of the container adjacent the end, a transverse diaphragm part recessed inwardly from the end, and a tear tab on the diaphragm. An annular groove is formed in the cylindrical part between the container end and the diaphragm, the groove defining a tear line so that the membrane and the inward portion of the cylindrical part separate from the remainder thereof when the tear tab is pulled. An insertable lid covers the seal.

REFERENCES:
patent: 1147273 (1915-07-01), Sherbondy
patent: 1717419 (1929-06-01), Steinmann
patent: 3136469 (1964-06-01), Koenig
patent: 3362570 (1968-01-01), Geiger
patent: 3543961 (1970-12-01), Kennedy
patent: 3707133 (1972-12-01), Myer
patent: 3864883 (1971-02-01), Koors et al.
patent: 4003496 (1977-01-01), Ostrem et al.
patent: 4069697 (1978-01-01), Morrison et al.
patent: 4088242 (1978-05-01), Schellenberg

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