Liquid feed pump, filter housing, valve and spray nozzle and spray apparatus incorporating the same
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United States of America Patent
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Issued Date -
Mar 1, 2007
app pub date -
Jan 10, 2006
filing date -
Aug 25, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To provide a liquid feed pump, a filter housing, a valve and a spray nozzle and a spray apparatus incorporating these components that can suppress contamination of the liquid being fed. A liquid feed pump 10 includes: a cylinder 12 having a substantially cylindrical shape; and a piston 14 fitted into the cylinder. The liquid feed pressure of the liquid feed pump 10 is equal to or higher than 1 MPa and equal to or lower than 50 MPa, and substantially the whole surface of a liquid contacting part of the liquid feed pump is made of a resin material or a ceramic material.
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