CA951807A - Device for detecting surface defects in a web-like material - Google Patents

Device for detecting surface defects in a web-like material

Info

Publication number
CA951807A
CA951807A CA131,311,A CA131311A CA951807A CA 951807 A CA951807 A CA 951807A CA 131311 A CA131311 A CA 131311A CA 951807 A CA951807 A CA 951807A
Authority
CA
Canada
Prior art keywords
web
surface defects
detecting surface
detecting
defects
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
Application number
CA131,311,A
Other versions
CA131311S (en
Inventor
Dieter Grieger
Klaus Jordan
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.)
Dr Ing Rudolf Hell GmbH
Original Assignee
Dr Ing Rudolf Hell GmbH
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 Dr Ing Rudolf Hell GmbH filed Critical Dr Ing Rudolf Hell GmbH
Application granted granted Critical
Publication of CA951807A publication Critical patent/CA951807A/en
Expired 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
    • G01N21/8901—Optical details; Scanning details
    • G01N21/8903—Optical details; Scanning details using a multiple detector array

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)
CA131,311,A 1971-01-02 1971-12-29 Device for detecting surface defects in a web-like material Expired CA951807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712100046 DE2100046B2 (en) 1971-01-02 1971-01-02 Arrangement for the ongoing determination of surface defects in web-shaped materials

Publications (1)

Publication Number Publication Date
CA951807A true CA951807A (en) 1974-07-23

Family

ID=5795099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA131,311,A Expired CA951807A (en) 1971-01-02 1971-12-29 Device for detecting surface defects in a web-like material

Country Status (2)

Country Link
CA (1) CA951807A (en)
DE (1) DE2100046B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1564733A (en) * 1975-10-30 1980-04-10 Xerox Corp Arrangement for extending photosensor array resolution
US4223346A (en) * 1979-04-05 1980-09-16 Armco Inc. Automatic defect detecting inspection apparatus
DE3208041C2 (en) * 1982-03-05 1983-12-29 Feldmühle AG, 4000 Düsseldorf Method for testing ferromagnetic, magnetized workpieces
DE3208042C1 (en) * 1982-03-05 1983-10-13 Feldmühle AG, 4000 Düsseldorf Method for inspecting objects moving in one direction
DE3741195A1 (en) * 1987-07-23 1989-02-02 Gebhard Birkle METHOD FOR CONTROLLING THE QUALITY OF A LARGE OBJECT, ESPECIALLY FOR DETECTING ERRORS IN TEXTILE FABRICS, AND DEVICE THEREFOR

Also Published As

Publication number Publication date
DE2100046B2 (en) 1974-03-21
DE2100046A1 (en) 1972-07-20

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