JPS538190A - Method of detecting defects of buried pipe - Google Patents

Method of detecting defects of buried pipe

Info

Publication number
JPS538190A
JPS538190A JP8147276A JP8147276A JPS538190A JP S538190 A JPS538190 A JP S538190A JP 8147276 A JP8147276 A JP 8147276A JP 8147276 A JP8147276 A JP 8147276A JP S538190 A JPS538190 A JP S538190A
Authority
JP
Japan
Prior art keywords
buried pipe
detecting defects
defects
detecting
buried
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.)
Pending
Application number
JP8147276A
Other languages
Japanese (ja)
Inventor
Akihiko Fujii
Akihisa Nakao
Hisao Fujio
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas Co 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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Priority to JP8147276A priority Critical patent/JPS538190A/en
Publication of JPS538190A publication Critical patent/JPS538190A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP8147276A 1976-07-10 1976-07-10 Method of detecting defects of buried pipe Pending JPS538190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8147276A JPS538190A (en) 1976-07-10 1976-07-10 Method of detecting defects of buried pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8147276A JPS538190A (en) 1976-07-10 1976-07-10 Method of detecting defects of buried pipe

Publications (1)

Publication Number Publication Date
JPS538190A true JPS538190A (en) 1978-01-25

Family

ID=13747332

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8147276A Pending JPS538190A (en) 1976-07-10 1976-07-10 Method of detecting defects of buried pipe

Country Status (1)

Country Link
JP (1) JPS538190A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242347A (en) * 1984-05-16 1985-12-02 Nippon Soken Inc Detector for abnormality of rotating body
JPH04215046A (en) * 1990-12-12 1992-08-05 Nippon Steel Corp Detecting method for internal residue in steel pipe
WO1996018884A1 (en) * 1994-12-16 1996-06-20 Tokyo Gas Co., Ltd. Electromagnetic inspection of elements of piping

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091787A (en) * 1973-12-19 1975-07-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091787A (en) * 1973-12-19 1975-07-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242347A (en) * 1984-05-16 1985-12-02 Nippon Soken Inc Detector for abnormality of rotating body
JPH04215046A (en) * 1990-12-12 1992-08-05 Nippon Steel Corp Detecting method for internal residue in steel pipe
WO1996018884A1 (en) * 1994-12-16 1996-06-20 Tokyo Gas Co., Ltd. Electromagnetic inspection of elements of piping

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