Closure for containers for liquid
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United States of America Patent
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-
Apr 28, 1998
Grant Date -
N/A
app pub date -
Jul 8, 1994
filing date -
Jul 8, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reusable closure for placement within the neck of a returnable and reusable container for liquid includes an improved sealing device for preventing contamination of the container. The sealing device achieves a tight seal between a ball and a valve seat within the closure. A cap abutment or spring may optionally be provided to further enhance the tightness of the seal.
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