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JPS5388783A - Method of inspecting abnormality of surface of long meterial and device for executing the same - Google Patents

Method of inspecting abnormality of surface of long meterial and device for executing the same

Info

Publication number
JPS5388783A
JPS5388783A JP15596076A JP15596076A JPS5388783A JP S5388783 A JPS5388783 A JP S5388783A JP 15596076 A JP15596076 A JP 15596076A JP 15596076 A JP15596076 A JP 15596076A JP S5388783 A JPS5388783 A JP S5388783A
Authority
JP
Japan
Prior art keywords
long
meterial
executing
same
inspecting abnormality
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
JP15596076A
Other languages
Japanese (ja)
Other versions
JPS5629780B2 (en
Inventor
Shusaku Umeda
Kunihiro Matsubara
Akihide Ueki
Niro Kakimoto
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP15596076A priority Critical patent/JPS5388783A/en
Publication of JPS5388783A publication Critical patent/JPS5388783A/en
Publication of JPS5629780B2 publication Critical patent/JPS5629780B2/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires

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)

Abstract

PURPOSE:To enable inspecing of a long material from one direction on both front and back surfaces by providing concave mirrors at the back side of the material moving.
JP15596076A 1976-12-24 1976-12-24 Method of inspecting abnormality of surface of long meterial and device for executing the same Granted JPS5388783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15596076A JPS5388783A (en) 1976-12-24 1976-12-24 Method of inspecting abnormality of surface of long meterial and device for executing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15596076A JPS5388783A (en) 1976-12-24 1976-12-24 Method of inspecting abnormality of surface of long meterial and device for executing the same

Publications (2)

Publication Number Publication Date
JPS5388783A true JPS5388783A (en) 1978-08-04
JPS5629780B2 JPS5629780B2 (en) 1981-07-10

Family

ID=15617283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15596076A Granted JPS5388783A (en) 1976-12-24 1976-12-24 Method of inspecting abnormality of surface of long meterial and device for executing the same

Country Status (1)

Country Link
JP (1) JPS5388783A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH049650A (en) * 1990-04-26 1992-01-14 Kubota Corp Image pickup device for long substance
JP2011191190A (en) * 2010-03-15 2011-09-29 Bridgestone Corp Visual inspection device and visual inspection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH049650A (en) * 1990-04-26 1992-01-14 Kubota Corp Image pickup device for long substance
JP2011191190A (en) * 2010-03-15 2011-09-29 Bridgestone Corp Visual inspection device and visual inspection method

Also Published As

Publication number Publication date
JPS5629780B2 (en) 1981-07-10

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