Sluicing valve device
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United States of America Patent
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Jul 11, 2006
Issued Date -
N/A
app pub date -
Nov 2, 2004
filing date -
Jul 1, 2004
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A sluicing valve device in which a valve element is arranged in case members attachable to a pipe, and the valve element comprises a valve element core metal fitting, an elastic seal member covering the same, and a lifting and lowering shaft formed into a rod shape along an insertion direction in order to move the valve element core metal fitting along the insertion direction inside of the pipe, wherein the valve element core metal fitting supports the elastic seal member inserted into the pipe and presses the same from the insertion direction to deform elastically, and a guide portion preventing the elastic seal member from protruding in an axial center direction of the pipe is formed on a tip end side in the insertion direction.
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