Volume-metering pump device
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United States of America Patent
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-
N/A
Issued Date -
May 24, 2007
app pub date -
Nov 22, 2006
filing date -
Nov 24, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The volume-metering pump device comprises a pump member associated with a manifold member comprising a body containing a manifold chamber having ports providing connections with the pump member, with an admission duct connected to a feed vessel, and with a discharge duct, and in which a manifold control element is mounted to move along a longitudinal axis of the manifold chamber, the ports providing connections with the admission duct and with the discharge duct being disposed facing each other and being coaxial about the longitudinal axis of the manifold chamber on either side of the port providing a connection with the pump member, and being adjacent to seats facing towards the inside of the manifold chamber with which valve-member forming portions made at the ends of the manifold control element co-operate to enable one or the other of the ports to be closed.
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