Bottles and jars – Closures – Cap type
Patent
1978-05-01
1979-12-04
Norton, Donald F.
Bottles and jars
Closures
Cap type
428 66, B65D 5300
Patent
active
041767578
ABSTRACT:
A gasket for closure caps made from a plastics foil and comprising a disc portion, a skirt depending from the disk portion and a peripheral flange extending radially outwardly from the lower edge of said skirt. Whenever the cap with this gasket is applied on the container to be closed, the skirt of the gasket is folded into a bellows-like manner with respect to the peripheral flange and the disc portion of the gasket thus providing a very efficient seal between the cap and the container rim.
REFERENCES:
patent: 3092281 (1963-06-01), Davidson
patent: 3235114 (1966-02-01), Blackwood
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