JPS5676025A - Detecting method for leakage defect part of pipe line - Google Patents

Detecting method for leakage defect part of pipe line

Info

Publication number
JPS5676025A
JPS5676025A JP15291679A JP15291679A JPS5676025A JP S5676025 A JPS5676025 A JP S5676025A JP 15291679 A JP15291679 A JP 15291679A JP 15291679 A JP15291679 A JP 15291679A JP S5676025 A JPS5676025 A JP S5676025A
Authority
JP
Japan
Prior art keywords
pipe line
leakage
wall
auxiliary pipe
defect part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP15291679A
Other languages
Japanese (ja)
Other versions
JPS59777B2 (en
Inventor
Koji Ishihara
Koji Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP54152916A priority Critical patent/JPS59777B2/en
Publication of JPS5676025A publication Critical patent/JPS5676025A/en
Publication of JPS59777B2 publication Critical patent/JPS59777B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To accurately detect a leakage defect part by a simple constitution by a method wherein a travelling body equipped with a sensing element for a high frequency sound noise is traveled within an auxiliary pipe which is attached along a pipe line so that a part of the outer wall of the pipe line may become a part of an inner wall thereof.
CONSTITUTION: A notch part 7 having a constant width is installed along the whole length of the longitudinal direction of an auxiliary pipe, and both ends thereof 61, 61 are bonded or fixed with welding to the outer wall of the main pipe line and further, a part of the outer wall of the auxiliary pipe 6. And then, within the auxiliary pipe 6 a self traveleing type or a pressure type travelling body 5 equipped with a detecting element 4 of a high frequency sound noise is traveled. When a defect part exists in the pipe line 1 and a fluid is leaking, a high frequency sound noise generated by the leakage is directly transferred to the inside of the auxiliary pipe 6 and the detection element 4 equipped on the travelling body 5 in running detects said leakage, and the leakage defect part can be detected, based on the detected results.
COPYRIGHT: (C)1981,JPO&Japio
JP54152916A 1979-11-28 1979-11-28 Pipeline leakage defect detection method Expired JPS59777B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54152916A JPS59777B2 (en) 1979-11-28 1979-11-28 Pipeline leakage defect detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54152916A JPS59777B2 (en) 1979-11-28 1979-11-28 Pipeline leakage defect detection method

Publications (2)

Publication Number Publication Date
JPS5676025A true JPS5676025A (en) 1981-06-23
JPS59777B2 JPS59777B2 (en) 1984-01-09

Family

ID=15550942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54152916A Expired JPS59777B2 (en) 1979-11-28 1979-11-28 Pipeline leakage defect detection method

Country Status (1)

Country Link
JP (1) JPS59777B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100866762B1 (en) 2006-08-09 2008-11-03 호서대학교 산학협력단 Mobile Device for Detecting Gas Leakage
CN112483907A (en) * 2020-11-10 2021-03-12 深圳市祥为测控技术有限公司 Pipeline leakage detection system and method
CN112944225A (en) * 2021-01-29 2021-06-11 湖南元想科技有限公司 Online leakage-detecting water supply pipeline system and online leakage monitoring method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626563B2 (en) * 1986-07-10 1994-04-13 株式会社新素材総合研究所 Medical container and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100866762B1 (en) 2006-08-09 2008-11-03 호서대학교 산학협력단 Mobile Device for Detecting Gas Leakage
CN112483907A (en) * 2020-11-10 2021-03-12 深圳市祥为测控技术有限公司 Pipeline leakage detection system and method
CN112483907B (en) * 2020-11-10 2022-02-11 深圳市祥为测控技术有限公司 Pipeline leakage detection system and method
CN112944225A (en) * 2021-01-29 2021-06-11 湖南元想科技有限公司 Online leakage-detecting water supply pipeline system and online leakage monitoring method

Also Published As

Publication number Publication date
JPS59777B2 (en) 1984-01-09

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