Button-type tamper indicating metal closure

Details Button-type tamper indicating metal closure Button-type tamper indicating metal closure

1994-10-28

1998-11-10

Weaver, Sue A.

Bottles and jars

Closures

Including visual indicia

215270, B65D 5502

Patent

active

058330879

ABSTRACT:
A tamper indicating closure cap for a vacuum sealed container includes a metal end panel, a rim portion formed in the outer margin of the end panel and a skirt depending from the rim portion. The metal end panel includes a central tamper indicating area comprising a tamper indicating button and a generally concave shaped annular region extending radially outwardly toward the rim portion. The tamper indicating area is adapted to defect axially between a non-tamper indicating position and a tamper indicating position.

REFERENCES:
patent: 2227524 (1941-01-01), Williams
patent: 2763228 (1956-09-01), Lawson
patent: 3152711 (1964-10-01), Mumford et al.
patent: 3369689 (1968-02-01), Dodge
patent: 4533059 (1985-08-01), Kapolas et al.
patent: 4790705 (1988-12-01), Wilkinson et al.
patent: 5016769 (1991-05-01), Heilman
patent: 5022545 (1991-06-01), Carson
patent: 5119963 (1992-06-01), Heilman
patent: 5149238 (1992-09-01), McEldowney et al.

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