CLOSING PLUG AND FLUID CONTROL DEVICE
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
Aug 16, 2021
filing date -
Oct 30, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a closing plug capable of easily closing an open end of a flow passage without concern of scale. The closing plug includes: a gasket configured to come into contact with an annular projection formed in a step portion inside the open end of the flow passage of a flow passage block; a columnar pressing member formed by cutting out an inner side of a pressing surface so as to press a peripheral edge portion of the gasket; and a closing plug screw configured to be screwed into a female screw formed in an inner peripheral surface on an open end side from the step portion and press the pressing member toward the gasket by movement caused by screwing.
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