Clamp action sealing device for tab opening cans

Details Clamp action sealing device for tab opening cans Clamp action sealing device for tab opening cans

1975-10-06

1978-08-01

Price, William

Receptacles

Closures

With closure opening arrangements for means

220259, 220307, 220335, 220DIG19, B65D 3916

Patent

active

041038045

ABSTRACT:
Closures having a generally triangular shape corresponding to tab opening cans include a seal plug with depending sealing lips and an internal cavity which facilitates installation and provides a sealing force. A resilient spring member may also be imbedded in the closure about the cavity to increase the sealing. The closures are resealable and may be reusable. A pouring or drinking spout and protective lip structure is also disclosed. The closures are opened by means of handles which define the cavity. The handles may include a structure for locking the handle on the rim of the can during dispensing. The closures are suited for use on a wide variety of can aperture sizes.

REFERENCES:
patent: 3021976 (1962-02-01), Tracy
patent: 3197089 (1965-07-01), Michael
patent: 3246792 (1966-04-01), Brackmann et al.
patent: 3428212 (1969-02-01), Rohrlick
patent: 3458080 (1969-07-01), Laurizio
patent: 3622034 (1971-11-01), Lutzker et al.
patent: 3664541 (1972-05-01), Ruskin
patent: 3682349 (1972-08-01), Cospen et al.
patent: 3847300 (1974-11-01), Waters
patent: 3871550 (1975-03-01), Chiappe

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