JPS55101044A - Flaw detector - Google Patents

Flaw detector

Info

Publication number
JPS55101044A
JPS55101044A JP942579A JP942579A JPS55101044A JP S55101044 A JPS55101044 A JP S55101044A JP 942579 A JP942579 A JP 942579A JP 942579 A JP942579 A JP 942579A JP S55101044 A JPS55101044 A JP S55101044A
Authority
JP
Japan
Prior art keywords
flaw
detected
defect
tube body
detection coils
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
JP942579A
Other languages
English (en)
Inventor
Takeo Tezuka
Chikara Inoue
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.)
Denshijiki Industry Co Ltd
Original Assignee
Denshijiki Industry 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 Denshijiki Industry Co Ltd filed Critical Denshijiki Industry Co Ltd
Priority to JP942579A priority Critical patent/JPS55101044A/ja
Publication of JPS55101044A publication Critical patent/JPS55101044A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP942579A 1979-01-29 1979-01-29 Flaw detector Pending JPS55101044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP942579A JPS55101044A (en) 1979-01-29 1979-01-29 Flaw detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP942579A JPS55101044A (en) 1979-01-29 1979-01-29 Flaw detector

Publications (1)

Publication Number Publication Date
JPS55101044A true JPS55101044A (en) 1980-08-01

Family

ID=11719982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP942579A Pending JPS55101044A (en) 1979-01-29 1979-01-29 Flaw detector

Country Status (1)

Country Link
JP (1) JPS55101044A (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742298A (en) * 1985-03-29 1988-05-03 Nippon Kokan Kabushiki Kaisha Apparatus for detecting surface flaw of pipeline by electromagnetic induction
US4789827A (en) * 1986-10-31 1988-12-06 Electric Power Research Institute Magnetic flux leakage probe with radially offset coils for use in nondestructive testing of pipes and tubes
JP2010127854A (ja) * 2008-11-28 2010-06-10 Non-Destructive Inspection Co Ltd 管状体の欠陥評価方法及び管状体の欠陥評価装置
JP2011516894A (ja) * 2008-04-16 2011-05-26 インスティトゥート ドクター フェルスター ゲーエムベーハー ウント コー カーゲー 漏洩磁束測定によって表面近傍の欠陥を検出するための方法および装置
US7990138B2 (en) * 2007-03-20 2011-08-02 Vincent Bongiraud, legal representative Probe for analysis of a string of rods or tubes in a well
US8076940B2 (en) 2006-02-27 2011-12-13 Vincent Bongiraud, legal representative Method and device for determining the location of a rod fixing point
US8207730B2 (en) 2006-04-21 2012-06-26 Halliburton Energy Services, Inc. Method and device for determining the existence and location of stress-inducing forces on a rod
US20140002071A1 (en) * 2011-01-07 2014-01-02 Geo Energy Probe for analyzing an assembly of rods or tubes
US8970212B2 (en) 2011-09-27 2015-03-03 Mitsubishi Heavy Industries, Ltd. Eddy current probe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5067692A (ja) * 1973-10-15 1975-06-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5067692A (ja) * 1973-10-15 1975-06-06

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742298A (en) * 1985-03-29 1988-05-03 Nippon Kokan Kabushiki Kaisha Apparatus for detecting surface flaw of pipeline by electromagnetic induction
US4789827A (en) * 1986-10-31 1988-12-06 Electric Power Research Institute Magnetic flux leakage probe with radially offset coils for use in nondestructive testing of pipes and tubes
US8076940B2 (en) 2006-02-27 2011-12-13 Vincent Bongiraud, legal representative Method and device for determining the location of a rod fixing point
US8207730B2 (en) 2006-04-21 2012-06-26 Halliburton Energy Services, Inc. Method and device for determining the existence and location of stress-inducing forces on a rod
US8933693B2 (en) 2006-04-21 2015-01-13 Jean-Pierre Martin Method and device for determining the existence and location of stress-inducing forces on a rod
US7990138B2 (en) * 2007-03-20 2011-08-02 Vincent Bongiraud, legal representative Probe for analysis of a string of rods or tubes in a well
US8471556B2 (en) 2007-03-20 2013-06-25 Jean-Pierre Martin Magnetic probe and processes of analysis
JP2011516894A (ja) * 2008-04-16 2011-05-26 インスティトゥート ドクター フェルスター ゲーエムベーハー ウント コー カーゲー 漏洩磁束測定によって表面近傍の欠陥を検出するための方法および装置
JP2010127854A (ja) * 2008-11-28 2010-06-10 Non-Destructive Inspection Co Ltd 管状体の欠陥評価方法及び管状体の欠陥評価装置
US20140002071A1 (en) * 2011-01-07 2014-01-02 Geo Energy Probe for analyzing an assembly of rods or tubes
US8970212B2 (en) 2011-09-27 2015-03-03 Mitsubishi Heavy Industries, Ltd. Eddy current probe

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