Can end with protective fold

Details Can end with protective fold Can end with protective fold

1972-02-28

1978-09-26

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

B65D 4132

Patent

active

041163605

ABSTRACT:
An aluminum food product container or can having an easily opened can end seamed to one end of the can body. The outer surface of the can end member has a score line along which the can end is severed for opening the can and removing an end panel. The score line is located adjacent and above a shoulder in the can body extending inwardly below the seam. A protective double fold is formed in the can end by extending the end metal annularly inwardly in a first layer from the score line, then reversely outwardly in a second layer beneath the first layer to a location circumferentially underlapping the score line location, and then reversely inwardly in a third layer beneath the first two layers into the can end panel portion. The double fold formation presents a dull hazard-free edge to the end panel when torn from the can end member.

REFERENCES:
patent: 3450301 (1969-06-01), Steck et al.
patent: 3451586 (1969-06-01), Maliszewskit et al.
patent: 3490643 (1970-01-01), Henning et al.
patent: 3682350 (1972-08-01), Baugh et al.
patent: 3696961 (1972-10-01), Holk

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