JPH0463329B2 - - Google Patents

Info

Publication number
JPH0463329B2
JPH0463329B2 JP61249011A JP24901186A JPH0463329B2 JP H0463329 B2 JPH0463329 B2 JP H0463329B2 JP 61249011 A JP61249011 A JP 61249011A JP 24901186 A JP24901186 A JP 24901186A JP H0463329 B2 JPH0463329 B2 JP H0463329B2
Authority
JP
Japan
Prior art keywords
pipeline
leakage
leak
peak value
ultrasonic
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.)
Expired - Lifetime
Application number
JP61249011A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63101746A (ja
Inventor
Toshiaki Fujita
Koji Yamada
Tadashi Kawamura
Yoshasu Murata
Koji Ishihara
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
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP61249011A priority Critical patent/JPS63101746A/ja
Publication of JPS63101746A publication Critical patent/JPS63101746A/ja
Publication of JPH0463329B2 publication Critical patent/JPH0463329B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Examining Or Testing Airtightness (AREA)
JP61249011A 1986-10-20 1986-10-20 パイプラインの漏洩検知用ピグ Granted JPS63101746A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61249011A JPS63101746A (ja) 1986-10-20 1986-10-20 パイプラインの漏洩検知用ピグ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61249011A JPS63101746A (ja) 1986-10-20 1986-10-20 パイプラインの漏洩検知用ピグ

Publications (2)

Publication Number Publication Date
JPS63101746A JPS63101746A (ja) 1988-05-06
JPH0463329B2 true JPH0463329B2 (enExample) 1992-10-09

Family

ID=17186680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61249011A Granted JPS63101746A (ja) 1986-10-20 1986-10-20 パイプラインの漏洩検知用ピグ

Country Status (1)

Country Link
JP (1) JPS63101746A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038614A (en) * 1989-08-10 1991-08-13 Atlantic Richfield Company Acoustic vibration detection of fluid leakage from conduits
KR20070113847A (ko) * 2006-05-26 2007-11-29 탑환경주식회사 하수관의 진공 수밀 검사장치 및 방법
JP7156668B2 (ja) * 2018-06-28 2022-10-19 Ｎｅｃソリューションイノベータ株式会社 配管の異常検出装置、異常検出システム、異常検出方法、プログラム、および記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5147359A (ja) * 1974-10-22 1976-04-22 Tokyo Shibaura Electric Co Koshuhagoseikairo
DD126041B1 (de) * 1976-06-08 1984-02-22 Rainer Dr Jurgeit Vorrichtung zur kontinuierlichen messung von gasdruecken
JPS538527U (enExample) * 1976-07-07 1978-01-25
JPS6046053U (ja) * 1983-09-07 1985-04-01 株式会社　フジ漏水調査センタ− 消火栓装着用音圧・水圧測定器
JPH023145U (enExample) * 1988-06-17 1990-01-10

Also Published As

Publication number Publication date
JPS63101746A (ja) 1988-05-06

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Legal Events

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LAPS Cancellation because of no payment of annual fees