JPS51135590A - Surface defect detection method and its equipment - Google Patents

Surface defect detection method and its equipment

Info

Publication number
JPS51135590A
JPS51135590A JP5984575A JP5984575A JPS51135590A JP S51135590 A JPS51135590 A JP S51135590A JP 5984575 A JP5984575 A JP 5984575A JP 5984575 A JP5984575 A JP 5984575A JP S51135590 A JPS51135590 A JP S51135590A
Authority
JP
Japan
Prior art keywords
equipment
detection method
defect detection
surface defect
darker
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
JP5984575A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5759933B2 (enrdf_load_stackoverflow
Inventor
Masaaki Tarui
Kanji Kizaki
Hiroyuki Shiozaki
Isao Takahashi
Takeshi Nara
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries 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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Priority to JP5984575A priority Critical patent/JPS51135590A/ja
Publication of JPS51135590A publication Critical patent/JPS51135590A/ja
Publication of JPS5759933B2 publication Critical patent/JPS5759933B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Continuous Casting (AREA)
JP5984575A 1975-05-20 1975-05-20 Surface defect detection method and its equipment Granted JPS51135590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5984575A JPS51135590A (en) 1975-05-20 1975-05-20 Surface defect detection method and its equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5984575A JPS51135590A (en) 1975-05-20 1975-05-20 Surface defect detection method and its equipment

Publications (2)

Publication Number Publication Date
JPS51135590A true JPS51135590A (en) 1976-11-24
JPS5759933B2 JPS5759933B2 (enrdf_load_stackoverflow) 1982-12-17

Family

ID=13124943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5984575A Granted JPS51135590A (en) 1975-05-20 1975-05-20 Surface defect detection method and its equipment

Country Status (1)

Country Link
JP (1) JPS51135590A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012110910A (ja) * 2010-11-22 2012-06-14 Toyota Motor Corp 鋳造品の検査方法
JP2013036850A (ja) * 2011-08-08 2013-02-21 Midori Seimitsu:Kk 熱間鋼材表面疵の検査方法及び検査装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63177639U (enrdf_load_stackoverflow) * 1987-05-01 1988-11-17

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49123389A (enrdf_load_stackoverflow) * 1973-03-29 1974-11-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49123389A (enrdf_load_stackoverflow) * 1973-03-29 1974-11-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012110910A (ja) * 2010-11-22 2012-06-14 Toyota Motor Corp 鋳造品の検査方法
JP2013036850A (ja) * 2011-08-08 2013-02-21 Midori Seimitsu:Kk 熱間鋼材表面疵の検査方法及び検査装置

Also Published As

Publication number Publication date
JPS5759933B2 (enrdf_load_stackoverflow) 1982-12-17

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