Safe opening container lid

Details Safe opening container lid Safe opening container lid

1991-02-01

1992-04-21

Marcus, Stephen

Receptacles

Container attachment or adjunct

Drinking device

220276, B65D 1740

Patent

active

051059770

ABSTRACT:
A safe opening container lid having a bead side plate portion and a removable plate portion. The bead side plate portion has a first loop portion formed at the outer side of a tear line defining a removable plate portion, the loop portion being bent upwardly from the portion where the tear line is formed, the return position of the loop portion that returns toward the tear line being spaced apart from the tear line forming portion, and the return portion being further bent outwardly at a position inward of the tear line. The removable plate portion has a second loop portion formed at the inner side of the tear line, the second loop portion being bent downwardly from the portion where the tear line is formed, the return portion of the second loop portion that returns toward the tear line being spaced apart from the tear line forming portion, and the return portion being further bent inwardly at a position outward of the tear line. A tear tab is fixed to the removable plate portion such that the tip of the tab is disposed at or near the tear line. Also disclosed is a process for producing this safe opening container lid.

REFERENCES:
patent: 3819083 (1974-06-01), Holk
patent: 3838788 (1974-10-01), Stargell
patent: 3880316 (1975-04-01), Martella
patent: 3891117 (1975-06-01), Dragomier et al.
patent: 3939787 (1976-02-01), Morrison et al.
patent: 3986632 (1976-10-01), Morrison et al.
patent: 4017000 (1977-04-01), Woodley
patent: 4040540 (1977-08-01), Ostrem et al.
patent: 4055134 (1977-10-01), Ostrem et al.

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