JPH0431058B2 - - Google Patents

Info

Publication number
JPH0431058B2
JPH0431058B2 JP59228423A JP22842384A JPH0431058B2 JP H0431058 B2 JPH0431058 B2 JP H0431058B2 JP 59228423 A JP59228423 A JP 59228423A JP 22842384 A JP22842384 A JP 22842384A JP H0431058 B2 JPH0431058 B2 JP H0431058B2
Authority
JP
Japan
Prior art keywords
infrared
steel pipe
welded steel
optical lens
pair
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
JP59228423A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61107148A (ja
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 filed Critical
Priority to JP22842384A priority Critical patent/JPS61107148A/ja
Publication of JPS61107148A publication Critical patent/JPS61107148A/ja
Publication of JPH0431058B2 publication Critical patent/JPH0431058B2/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
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/72—Investigating presence of flaws

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 Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
JP22842384A 1984-10-30 1984-10-30 溶接部検出装置 Granted JPS61107148A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22842384A JPS61107148A (ja) 1984-10-30 1984-10-30 溶接部検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22842384A JPS61107148A (ja) 1984-10-30 1984-10-30 溶接部検出装置

Publications (2)

Publication Number Publication Date
JPS61107148A JPS61107148A (ja) 1986-05-26
JPH0431058B2 true JPH0431058B2 (xx) 1992-05-25

Family

ID=16876240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22842384A Granted JPS61107148A (ja) 1984-10-30 1984-10-30 溶接部検出装置

Country Status (1)

Country Link
JP (1) JPS61107148A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0198952A (ja) * 1987-10-12 1989-04-17 Kengo Murata 電縫管の欠陥検出装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52126277A (en) * 1976-04-15 1977-10-22 Nippon Steel Corp Seam position detecxtion in pipe manufacture
JPS57146481A (en) * 1981-03-05 1982-09-09 Kawasaki Steel Corp Lap butt preventing method for edge part of blank material for electric welded steel pipe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52126277A (en) * 1976-04-15 1977-10-22 Nippon Steel Corp Seam position detecxtion in pipe manufacture
JPS57146481A (en) * 1981-03-05 1982-09-09 Kawasaki Steel Corp Lap butt preventing method for edge part of blank material for electric welded steel pipe

Also Published As

Publication number Publication date
JPS61107148A (ja) 1986-05-26

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