TOOL FOR INSERTION OF DIAGNOSTIC DEVICE INTO PIPE LINE

Japanese Patent JP2016024114

A

PROBLEM TO BE SOLVED: To provide a tool for insertion of a diagnostic device into a pipe line that, while effectively utilizing buoyancy, can easily take up and feed out a cable or cables.SOLUTION: A diagnostic device insertion tool 100 for use in insertion into a pipe line comprises a diagnostic device 110 and a cable part 120. In the cable part 120, a cable or cables are accommodated in a protective tube 121. At least one cable is provided. In the protective tube 121, a gas phase is provided between the protective tube 121 and the cable. Further, in a section normal to an axial direction of the protective tube, a ratio of a sectional area of the gas phase to that of an internal space of the protective tube 121 is not less than 30% and not more than 95%.SELECTED DRAWING: Figure 1

JPH06213756	GAS LEAK INSPECTION SYSTEM
JP2023117249	LEAKAGE GAS DETECTION DEVICE, PIPING STRUCTURE WITH LEAKAGE GAS DETECTION DEVICE, COVER MEMBER WITH LEAKAGE GAS DETECTION DEVICE, AND LEAKAGE GAS DETECTION METHOD
JP2011102771	DETERMINATION APPARATUS OF REDUCTION OF VACUUM OF VACUUM INSULATION SECTION AND DETERMINATION METHOD OF REDUCTION OF VACUUM

KONDO HIROAKI
KATO TSUYOSHI

JP2014149754A

February 08, 2016

July 23, 2014

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SEKISUI CHEMICAL CO LTD

G01M3/02; F16L55/00; G01M3/24

JPH03134558A	1991-06-07
JPS5615514U	1981-02-10
JPH04115717U	1992-10-14
JPH09100557A	1997-04-15
JPH10221257A	1998-08-21
JPH10223057A	1998-08-21
JPH0935543A	1997-02-07
JPS30173B1
JP2014030341A	2014-02-13

US20080296040A1	2008-12-04
US4485668A	1984-12-04

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