Bottle caps
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United States of America Patent
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Feb 25, 1992
Issued Date -
N/A
app pub date -
Oct 31, 1990
filing date -
Jul 14, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to bottle caps for use with blow-fill-seal type bottles having an upwardly removable seal, the caps having inwardly projecting members, at least one of which is equipped with a blade and preferably an upstanding wall to engage the seal of the bottle, the wall being preferably recurved away from the seal, such caps allowing thicker frangible membranes to be used in the manufacture of the bottles so that there is less wastage, the caps also permitting easier end-use and a higher success ratio for seal-removal.
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