Fracture and tear-resistant retained tab

Details Fracture and tear-resistant retained tab Fracture and tear-resistant retained tab

1979-06-21

1980-07-01

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220273, B65D 4132

Patent

active

042102570

ABSTRACT:
A non-detachable lever tab for easy open container ends with a tongue, the tip of which is staked to the central panel wall by means of an integral rivet. The lancing which forms the tongue terminates in a pair of nail piercings, which afford a high resistance to tear through. The tongue of the lever tab is coined to substantially increase its resistance to fracture under repeated bending.

REFERENCES:
patent: 3977561 (1976-08-01), Strobe et al.
patent: 4150765 (1979-04-01), Mazurek

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