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...

Ausführliche Beschreibung

Bibliographische Detailangaben

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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