Stackable cover member for a container

Details Stackable cover member for a container Stackable cover member for a container

1980-06-09

1981-03-10

Lowrance, George E.

Sheet-material associating

Associating or disassociating

Signature associating

206503, 206508, 220358, 220380, B65D 2102, B65D 4303, B65D 4306

Patent

active

042548918

ABSTRACT:
A stackable cover member for a container is provided which includes a countersunk central lid portion and a circumferential peripheral edge portion surrounding the lid portion. The edge portion of the cover member includes a flexible peripheral collar member, which is adapted to be sealed to the external sidewall of a container, and also includes an internal edge to be disposed internally within the container and which is integrally formed with the collar member. A groove is formed in the peripheral edge portion between the collar member and the internal edge for receiving an end edge of the container to which the cover member is to be sealed to. The internal edge has a transverse thickness greater than the collar member and forms the circumferential stacking edge of the cover member.

REFERENCES:
patent: 2623685 (1952-12-01), Hill
patent: 2638261 (1953-05-01), Poole
patent: 3321104 (1967-05-01), Edwards
patent: 3385470 (1968-05-01), Dorosz
patent: 3406891 (1968-10-01), Buchner
patent: 3424343 (1969-01-01), Hoeffelman
patent: 3561982 (1971-02-01), Oeth
patent: 3880288 (1975-04-01), Hunter
patent: 4141463 (1979-02-01), Smith

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