STOP VALVE DEVICE FOR PIPING

PROBLEM TO BE SOLVED: To provide a stop valve device for a pipe that can stop a fluid or gas in a pipe while securing airtightness by using a balloon.SOLUTION: A stop valve device 10 includes; a balloon 12 fitted to an axially center part of an air supply pipe 11; first to fourth transport mechanism...

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Hauptverfasser:	MARUHASHI FUMITAKA, TAKEMOTO NOBUAKI, UCHIUMI TAKUYA, CHIKAMORI YUJI, MORIMOTO YUTO
Format:	Patent
Sprache:	eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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creator	MARUHASHI FUMITAKA TAKEMOTO NOBUAKI UCHIUMI TAKUYA CHIKAMORI YUJI MORIMOTO YUTO
description	PROBLEM TO BE SOLVED: To provide a stop valve device for a pipe that can stop a fluid or gas in a pipe while securing airtightness by using a balloon.SOLUTION: A stop valve device 10 includes; a balloon 12 fitted to an axially center part of an air supply pipe 11; first to fourth transport mechanisms 13-13and fifth to eight transport mechanisms 13-13which are fitted on one end side and the other end side of the air supply pipe 11 at intervals of 45° respectively; first and second rectangular plate type side stoppers 14, 14which are fitted between the balloon 12 at the air supply part 11 and the first to fourth transport mechanisms 13-13and fifth to eight transport mechanisms 13-13respectively; and a hose 15 which has one end connected to the air supply pipe 11 and the other end connected to a compressed air supply/discharge device. The first and second side stoppers 14, 14has diagonal length set to be smaller than the inner diameter of the pipe 11.
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The first and second side stoppers 14, 14has diagonal length set to be smaller than the inner diameter of the pipe 11.</abstract><oa>free_for_read</oa></addata></record>
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subjects	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
title	STOP VALVE DEVICE FOR PIPING
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