Bottles and jars – Closures – Cap type
Patent
1980-05-09
1982-03-30
Hall, George T.
Bottles and jars
Closures
Cap type
215252, 215DIG1, 215329, B65D 5300
Patent
active
043220126
ABSTRACT:
A plastic bottle cap for use in sealing bottles, the cap having a first annular sealing flange engaging the internal wall surface of the bottle and a second annular sealing flange engaging the top surface of the bottle neck. The second flange is constructed with a flexible tip which flexes relative to the remaining portion of the second flange as it is engaged by the top of the bottle neck to produce a flapper type seal. The cap further includes a tamper-proof ring at its bottom end which is automatically torn away as the cap is unthreaded from the bottle.
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Dairy Cap Corporation
Hall George T.
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