Receptacles – Closures – Secondary closure within parameter of primary closure
Patent
1980-05-09
1982-11-30
Hall, George T.
Receptacles
Closures
Secondary closure within parameter of primary closure
220 3, 220266, 53403, B65D 5118
Patent
active
043612482
ABSTRACT:
A metal container comprising a sheared portion in a part of the wall thereof, a projecting portion formed adjacent to the sheared portion and outwardly projecting from the wall of the container, the projecting portion having a fractured side surface and the dimension of the projecting portion in the direction transverse to the side surface increasing in the direction outwards of the container, and a gas introducing passage extending along the sheared portion and the fractured side surface and through the wall of the container.
REFERENCES:
patent: 1753871 (1930-04-01), Schworetzky
patent: 4262472 (1981-04-01), Soeda et al.
Goto Akio
Soeda Yuji
Hall George T.
Tokico Ltd.
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