Easy-opening closures

Details Easy-opening closures Easy-opening closures

1974-06-26

1976-04-06

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

113121C, 220359, 220266, B65D 4132

Patent

active

039484157

ABSTRACT:
This specification discloses improvements in easy-opening closures of the push-in type in which the closure member at least partly overlaps with the aperture surround to define the easy-opening closure. The improvement comprises forming the free edge of the closure member and the aperture surround with interengaging portions which at least substantially inhibit the movement of the closure member relative to the aperture surround. In one preferred form of interengagement the closure member is formed with an upstanding lip and the aperture surround is downwardly turned about said lip. In another form both the aperture surround and the closure member are formed with interengaging lips. In another form the aperture surround is grooved and the lip on the closure member engages the groove. In the last form the aperture surround is formed with a lip which is stamped into the closure member to key the two parts together.

REFERENCES:
patent: 2261117 (1941-11-01), Jack, Jr.
patent: 3760752 (1973-09-01), Geiger

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