JPS6175257A - ガス供給用埋設管に於ける継目等の内面形状の検知方法 - Google Patents

ガス供給用埋設管に於ける継目等の内面形状の検知方法

Info

Publication number
JPS6175257A
JPS6175257A JP19625084A JP19625084A JPS6175257A JP S6175257 A JPS6175257 A JP S6175257A JP 19625084 A JP19625084 A JP 19625084A JP 19625084 A JP19625084 A JP 19625084A JP S6175257 A JPS6175257 A JP S6175257A
Authority
JP
Japan
Prior art keywords
sensor
cable
pipe
gas supply
live
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
JP19625084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH055042B2 (enrdf_load_stackoverflow
Inventor
Junichi Akiyama
純一 秋山
Kazuo Yoshino
吉野　一男
Akiharu Inoue
井上　晶晴
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.)
TOYO MACH KOGYO KK
Tokyo Gas Co Ltd
Original Assignee
TOYO MACH KOGYO KK
Tokyo 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 TOYO MACH KOGYO KK, Tokyo Gas Co Ltd filed Critical TOYO MACH KOGYO KK
Priority to JP19625084A priority Critical patent/JPS6175257A/ja
Publication of JPS6175257A publication Critical patent/JPS6175257A/ja
Publication of JPH055042B2 publication Critical patent/JPH055042B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
    • G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Pipeline Systems (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP19625084A 1984-09-19 1984-09-19 ガス供給用埋設管に於ける継目等の内面形状の検知方法 Granted JPS6175257A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19625084A JPS6175257A (ja) 1984-09-19 1984-09-19 ガス供給用埋設管に於ける継目等の内面形状の検知方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19625084A JPS6175257A (ja) 1984-09-19 1984-09-19 ガス供給用埋設管に於ける継目等の内面形状の検知方法

Publications (2)

Publication Number Publication Date
JPS6175257A true JPS6175257A (ja) 1986-04-17
JPH055042B2 JPH055042B2 (enrdf_load_stackoverflow) 1993-01-21

Family

ID=16354678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19625084A Granted JPS6175257A (ja) 1984-09-19 1984-09-19 ガス供給用埋設管に於ける継目等の内面形状の検知方法

Country Status (1)

Country Link
JP (1) JPS6175257A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5612499A (en) * 1995-05-05 1997-03-18 Tdw Delaware, Inc. Method of inserting a sensor into a pipeline
US5983736A (en) * 1998-07-02 1999-11-16 Brooklyn Union Method and apparatus for tracking the flow of liquids in a gas pipe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866809A (ja) * 1981-09-28 1983-04-21 サミユエル・ロスステイン 管の欠陥測定方法及び管の検査装置における複合走査装置
JPS59112218A (ja) * 1982-12-20 1984-06-28 Oyo Chishitsu Kk 孔壁測定方法及びそれに用いる測定装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866809A (ja) * 1981-09-28 1983-04-21 サミユエル・ロスステイン 管の欠陥測定方法及び管の検査装置における複合走査装置
JPS59112218A (ja) * 1982-12-20 1984-06-28 Oyo Chishitsu Kk 孔壁測定方法及びそれに用いる測定装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5612499A (en) * 1995-05-05 1997-03-18 Tdw Delaware, Inc. Method of inserting a sensor into a pipeline
US5983736A (en) * 1998-07-02 1999-11-16 Brooklyn Union Method and apparatus for tracking the flow of liquids in a gas pipe

Also Published As

Publication number Publication date
JPH055042B2 (enrdf_load_stackoverflow) 1993-01-21

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