GAS BAG FOR SHUTTING GAS

PROBLEM TO BE SOLVED: To improve the sealing performance of a gas bag and to reduce the size and weight thereof and to quickly insert it. SOLUTION: A gas bag body 1 is formed such that a cylindrical body 2 and a pair of side circular surface members 3, 3a for closing both ends thereof shape a drum w...

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Bibliographic Details
Main Authors MORI AKIHITO, KISHINO SOICHI, KINUGAWA MASAYA
Format Patent
LanguageEnglish
Published 10.04.1998
Edition6
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PIPE-LINE SYSTEMS
PIPE-LINES
PIPES
STORING OF DISTRIBUTING GASES OR LIQUIDS
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To improve the sealing performance of a gas bag and to reduce the size and weight thereof and to quickly insert it. SOLUTION: A gas bag body 1 is formed such that a cylindrical body 2 and a pair of side circular surface members 3, 3a for closing both ends thereof shape a drum when it is expanded. An air pipe 4 for charging/discharging compressed air into/from the bag body 1 comprises a vertical hard pipe 5 and branch pipes 6 each of which is branched in a horizontal direction at the lower part of the vertical pipe 5 and connects the charging port 7 of the tip end thereof to the side surface member 3 or 3a of the bag body 1. The bag body 1 is wound around the vertical pipes 5 and is inserted into a gas pipe 10 through an inserting hole 11 of the gas pipe and then is expanded. When the bag body 1 is took out, it is collapsed and wound around the vertical pipes 5 and then is pulled out.
Bibliography:Application Number: JP19960242229