Receptacles – Closures – Removable closure guided in rotary movement
Patent
1975-10-06
1977-06-07
Price, William
Receptacles
Closures
Removable closure guided in rotary movement
215DIG1, 220298, B65D 4106
Patent
active
040277771
ABSTRACT:
A pail assembly, preferably all plastic, is provided in which a pail has peripherally spaced pail lugs on its side wall adjacent the rim of the pail. The pail lugs have an inclined cam surface at one end and a bearing surface substantially parallel to the rim along a margin remote from the rim. A lid has an internal annular skirt on and integral with it, of a shape and outside diameter complementary to the inside surface of the pail side wall adjacent the rim so that the skirt and pail surface engage one another snugly when the lid is rotated into mounted condition on the pail. The lid has an annular flange integral with it, spaced radially outboardly of the skirt and defining with the skirt a channel having a closed bottom wall and an open mouth. A plurality of peripherally spaced, radially inwardly extending lugs are formed integrally with the flange. They are spaced axially outwardly from the closed bottom wall of the channel and are of a peripheral length less than the space between successive pail lugs with which the flange lugs are to engage. Sealing means, preferably an annular tubular gasket, are provided between the channel bottom wall and the rim of the pail, the sealing means being in compression when the pail lug bearing surface and flange lug bearing surface are engaged by a turn of the required number of degrees.
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Price William
Shoap Allan N.
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