Chemical vessel cap
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 30, 2002
Grant Date -
N/A
app pub date -
Aug 29, 2000
filing date -
Dec 8, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cap (1) for a chemical storage or reaction vessel comprising a seat for attachment, in use, to an opening of the vessel. A membrane (6) formed from a resilient material and having a slit (11) formed therein allows a substance sampling or delivery apparatus to pass therethrough in use, the membrane being positioned to slide within the seat substantially in the direction of passage of the sampling or delivery apparatus.
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