Fluid apparatus
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United States of America Patent
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Sep 8, 2020
Grant Date -
Sep 6, 2018
app pub date -
Mar 1, 2018
filing date -
Mar 3, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a plug device which includes: a body portion; and a valve element portion. A fluid flow passage is formed in the body portion. The fluid flow passage extends along an axis, and has a valve hole at one end thereof. The valve element portion is accommodated in the body portion in an advancing and retracting manner along the axis. A proximal end portion of the valve element portion is made of a conductive fluororesin material containing a fluororesin material and carbon nanotubes dispersed in the fluororesin material. The proximal end portion is conductive with a conductive member maintained at a ground potential. A volume resistivity of the conductive fluororesin material falls within a range of larger than 1.0x×103 Ω·cm and less than 1.0×104 Ω·cm.
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