Valve for sequential chemical operations
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United States of America Patent
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-
Jul 1, 1986
Issued Date -
N/A
app pub date -
Jan 23, 1985
filing date -
Sep 29, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve for multiple sequential operations such as biosynthesis, in which the valve body has a longitudinal groove as a common passage for a longitudinal sequence of local ports, and a unitary diaphragm controlled by a plurality of solenoid operable plungers opens and closes the local ports to the common passage by blocking fluid flow across the lands intervening between the local ports and the common passage.
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