JPS5392188A - Inspection method of connections of underground pipes - Google Patents

Inspection method of connections of underground pipes

Info

Publication number
JPS5392188A
JPS5392188A JP691377A JP691377A JPS5392188A JP S5392188 A JPS5392188 A JP S5392188A JP 691377 A JP691377 A JP 691377A JP 691377 A JP691377 A JP 691377A JP S5392188 A JPS5392188 A JP S5392188A
Authority
JP
Japan
Prior art keywords
connections
inspection method
underground pipes
underground
pipes
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
JP691377A
Other languages
Japanese (ja)
Inventor
Akira Kojima
Takemi Nakamura
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 JP691377A priority Critical patent/JPS5392188A/en
Publication of JPS5392188A publication Critical patent/JPS5392188A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP691377A 1977-01-25 1977-01-25 Inspection method of connections of underground pipes Pending JPS5392188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP691377A JPS5392188A (en) 1977-01-25 1977-01-25 Inspection method of connections of underground pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP691377A JPS5392188A (en) 1977-01-25 1977-01-25 Inspection method of connections of underground pipes

Publications (1)

Publication Number Publication Date
JPS5392188A true JPS5392188A (en) 1978-08-12

Family

ID=11651467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP691377A Pending JPS5392188A (en) 1977-01-25 1977-01-25 Inspection method of connections of underground pipes

Country Status (1)

Country Link
JP (1) JPS5392188A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129758A (en) * 1984-07-20 1986-02-10 Nippon Telegr & Teleph Corp <Ntt> Inverstigating method of state in tube utilizing transmitted sound wave
JPS6135386A (en) * 1984-07-28 1986-02-19 Tokyo Chika Koji Kk Detecting method of piping state of buried pipe
JPS6219756A (en) * 1985-07-18 1987-01-28 Taisei Corp Diagnosing method for clogging of construction piping

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129758A (en) * 1984-07-20 1986-02-10 Nippon Telegr & Teleph Corp <Ntt> Inverstigating method of state in tube utilizing transmitted sound wave
JPS6135386A (en) * 1984-07-28 1986-02-19 Tokyo Chika Koji Kk Detecting method of piping state of buried pipe
JPS6219756A (en) * 1985-07-18 1987-01-28 Taisei Corp Diagnosing method for clogging of construction piping

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