SLIDE VALVE, FEMALE COUPLING MEMBER HAVING THE SLIDE VALVE, AND PIPE COUPLING COMPRISING THE FEMALE COUPLING MEMBER AND MALE COUPLING MEMBER
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United States of America Patent
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Issued Date -
Oct 26, 2017
app pub date -
Jul 10, 2017
filing date -
Jun 26, 2015
priority date (Note) -
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Abstract
A slide valve set in a fluid passage and displaceable in a direction of a longitudinal axis of the fluid passage to open or close the fluid passage, the slide valve being simplified in structure and having a plurality of seal portions. The slide valve includes a cylindrical slide valve body set coaxially with the fluid passage, the slide valve body having an outer peripheral surface, an inner peripheral surface, and at least one through-hole extending through from the outer peripheral surface to the inner peripheral surface. The slide valve further includes a seal member having an annular outer seal portion located over the outer peripheral surface of the slide valve body, an annular inner seal portion located over the inner peripheral surface of the slide valve body, and a connecting portion located in the through-hole to connect together the outer seal portion and the inner seal portion.
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