Fracture resistant retained lever tab and method of manufacture

Details Fracture resistant retained lever tab and method of manufacture Fracture resistant retained lever tab and method of manufacture

1979-06-21

1980-07-08

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

220273, 113121R, 113121C, B65D 4132

Patent

active

042113350

ABSTRACT:
A non-detachable fracture resistant lever tab for easy open containers. The tab is provided with a tongue with a high degree of bendability, the tip of which is staked to the central panel wall by means of a rivet. Bendability of the tongue is enhanced through the use of cooperative transitional planes of graduated coining which urge the bend line to form in an area of maximum coining. A method for manufacture of the tab is disclosed.

REFERENCES:
patent: 3977561 (1976-08-01), Stroke et al.
patent: 4130074 (1978-12-01), Cudzik
patent: 4150765 (1979-04-01), Mazurek

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