Expressor
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United States of America Patent
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-
Aug 20, 1996
Issued Date -
N/A
app pub date -
Aug 2, 1994
filing date -
Aug 2, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An expressor for varying the amount of fluid in a variable-volume container connected to at least one conduit includes a housing defining an enclosed chamber which can accommodate the container. The housing has at least one opening through which a conduit can extend. A pressure regulating mechanism is coupled to the housing to vary the pressure of fluid in the chamber and thereby vary the volume of the container.
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