JPH0740209Y2 - 管内検査ピグの円周溶接部検出装置 - Google Patents

管内検査ピグの円周溶接部検出装置

Info

Publication number
JPH0740209Y2
JPH0740209Y2 JP1989011173U JP1117389U JPH0740209Y2 JP H0740209 Y2 JPH0740209 Y2 JP H0740209Y2 JP 1989011173 U JP1989011173 U JP 1989011173U JP 1117389 U JP1117389 U JP 1117389U JP H0740209 Y2 JPH0740209 Y2 JP H0740209Y2
Authority
JP
Japan
Prior art keywords
signal
comparator
circumferential
detection device
pipe inspection
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
JP1989011173U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02104194U (en]
Inventor
基 小林
暢恭 菅谷
宗孝 近藤
喜久治 村下
Original Assignee
日本鋼管株式会社
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 日本鋼管株式会社 filed Critical 日本鋼管株式会社
Priority to JP1989011173U priority Critical patent/JPH0740209Y2/ja
Publication of JPH02104194U publication Critical patent/JPH02104194U/ja
Application granted granted Critical
Publication of JPH0740209Y2 publication Critical patent/JPH0740209Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP1989011173U 1989-02-01 1989-02-01 管内検査ピグの円周溶接部検出装置 Expired - Lifetime JPH0740209Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989011173U JPH0740209Y2 (ja) 1989-02-01 1989-02-01 管内検査ピグの円周溶接部検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989011173U JPH0740209Y2 (ja) 1989-02-01 1989-02-01 管内検査ピグの円周溶接部検出装置

Publications (2)

Publication Number Publication Date
JPH02104194U JPH02104194U (en]) 1990-08-20
JPH0740209Y2 true JPH0740209Y2 (ja) 1995-09-13

Family

ID=31219493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989011173U Expired - Lifetime JPH0740209Y2 (ja) 1989-02-01 1989-02-01 管内検査ピグの円周溶接部検出装置

Country Status (1)

Country Link
JP (1) JPH0740209Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012242358A (ja) * 2011-05-24 2012-12-10 Kobe Steel Ltd 渦流探傷装置
JP6715570B2 (ja) * 2015-02-20 2020-07-01 三菱日立パワーシステムズ株式会社 配管探傷装置及び配管探傷方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5041589U (en]) * 1973-08-11 1975-04-26
JPS63138259A (ja) * 1986-12-01 1988-06-10 Nkk Corp 磁気探査法

Also Published As

Publication number Publication date
JPH02104194U (en]) 1990-08-20

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