Easy opening top closure member for a container

Receptacles – Closures – With closure opening arrangements for means

Patent

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Details

220270, 220335, 215 1C, 150 05, 222541, B65D 1734

Patent

active

042653673

ABSTRACT:
A container having an easy opening top closure member. The container has a body portion and a top closure wall member of a predetermined thickness. The top closure wall member has an outer surface and an inner surface. A groove is formed on the inner surface to define a tab-like closure member. A ridge member extends outwardly from the top surface of the closure wall member and the ridge member is positioned above and opposite to the groove. The lower portion of the ridge member is frangibly connected to the outer surface of the top closure wall member whereby the ridge member is frangibly separated from the outer surface of the top closure wall member, the tab-like closure member can be lifted upwardly to expose the interior of the body portion of the container. A gripping member is formed adjacent the free end of the ridge member to aid in tearing the ridge member free from the top of the top closure wall member. The top closure wall member is made of plastic material. The tab-like closure member has a hinge portion that will keep it structurally tied to the top closure wall member. The top surface of the tab-like closure member has a recessed hold-down locking structure that mates with a protrusion extending upwardly from the bottom portion for locking the tab-like closure member in an open position.

REFERENCES:
patent: 3380608 (1968-04-01), Morleck
patent: 3966080 (1976-06-01), Bittel
patent: 3981412 (1976-09-01), Asmus

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