JPS5321978A - Apparatus for detecting flaws on the surface of metal tape - Google Patents

Apparatus for detecting flaws on the surface of metal tape

Info

Publication number
JPS5321978A
JPS5321978A JP9646376A JP9646376A JPS5321978A JP S5321978 A JPS5321978 A JP S5321978A JP 9646376 A JP9646376 A JP 9646376A JP 9646376 A JP9646376 A JP 9646376A JP S5321978 A JPS5321978 A JP S5321978A
Authority
JP
Japan
Prior art keywords
metal tape
detecting flaws
flaws
light
detected
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
JP9646376A
Other languages
Japanese (ja)
Inventor
Susumu Ihara
Takeshi Nagai
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP9646376A priority Critical patent/JPS5321978A/en
Publication of JPS5321978A publication Critical patent/JPS5321978A/en
Pending 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
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • 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 provide an apparatus for detecting flaws on the surface of metal tape, in which light is scanned on the surface of metal tape and quantity of light refiected therefrom is detected by light receiving element, and at the same time a light receiving element for cancelling edge signal is provided, whereby flaws in the vicinity of edges can be detected.
JP9646376A 1976-08-12 1976-08-12 Apparatus for detecting flaws on the surface of metal tape Pending JPS5321978A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9646376A JPS5321978A (en) 1976-08-12 1976-08-12 Apparatus for detecting flaws on the surface of metal tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9646376A JPS5321978A (en) 1976-08-12 1976-08-12 Apparatus for detecting flaws on the surface of metal tape

Publications (1)

Publication Number Publication Date
JPS5321978A true JPS5321978A (en) 1978-02-28

Family

ID=14165711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9646376A Pending JPS5321978A (en) 1976-08-12 1976-08-12 Apparatus for detecting flaws on the surface of metal tape

Country Status (1)

Country Link
JP (1) JPS5321978A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586871A (en) * 1981-06-17 1983-01-14 チバ・ガイギ−・ア−ゲ− Web scanner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047685A (en) * 1974-07-30 1975-04-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047685A (en) * 1974-07-30 1975-04-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586871A (en) * 1981-06-17 1983-01-14 チバ・ガイギ−・ア−ゲ− Web scanner

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