Receptacles – Closures – Externally adjustable plug or gasket
Patent
1979-02-28
1980-07-29
Hall, George T.
Receptacles
Closures
Externally adjustable plug or gasket
215359, B65D 5300
Patent
active
042146720
ABSTRACT:
A closure or stopper for cans and the like. The closure member includes a triangularly shaped member of elastic material in which there is rotatably mounted an adjusting member. The closure member is first inserted into the standard triangularly shaped opening of a can while the adjusting member is in an inactive position. The adjusting member is then rotated a predetermined angular distance whereby the closure member is sealingly pressed against the walls of the container opening.
REFERENCES:
patent: 195849 (1877-10-01), Seybold
patent: 3326403 (1967-06-01), Glass
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