Receptacles – Closures – With closure opening arrangements for means
Patent
1979-01-11
1980-05-13
Hall, George T.
Receptacles
Closures
With closure opening arrangements for means
B65D 4132
Patent
active
042024617
ABSTRACT:
A pop-open container lid stamped from a sheet of metal or the like to form a finger receiving recess and a surrounding recess and an intermediate annular ridge with an inner wall extending downwardly from the ridge to the base of the finger receiving recess and with a peripheral wall extending downwardly to the base of the surrounding recess. A scoring line extends from the base of the surrounding recess at a location adjacent to the edge of the lid inwardly and slightly upwardly along the inner surface of the peripheral wall to spaced points located between the top and bottom of the peripheral wall and thence to terminal points in the plane of the said sheet to form a fracture line and a hinge. Ribs on the outer surface portion of the inner wall facilitate fracturing and twisting of the lid by squeezing and subsequent rotation of the finger recess forming portion around the hinge inwardly and sideways of the can edge away from the edge which is formed along the fracture line.
REFERENCES:
patent: 3362569 (1968-01-01), Geiger
patent: 4128186 (1978-12-01), Gane
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