FR3088724B1 - DEVICE FOR THE OPTICAL DETECTION OF DEFECTS IN A SHEET MATERIAL, PROVIDED WITH TWO DETECTION HEADS - Google Patents

DEVICE FOR THE OPTICAL DETECTION OF DEFECTS IN A SHEET MATERIAL, PROVIDED WITH TWO DETECTION HEADS Download PDF

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Publication number
FR3088724B1
FR3088724B1 FR1860658A FR1860658A FR3088724B1 FR 3088724 B1 FR3088724 B1 FR 3088724B1 FR 1860658 A FR1860658 A FR 1860658A FR 1860658 A FR1860658 A FR 1860658A FR 3088724 B1 FR3088724 B1 FR 3088724B1
Authority
FR
France
Prior art keywords
detection
defects
sheet material
heads
optical detection
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.)
Active
Application number
FR1860658A
Other languages
French (fr)
Other versions
FR3088724A1 (en
Inventor
Marc Brouant
Denis Laurens
Gilles Noblot
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.)
Arck Sensor
Original Assignee
Arck Sensor
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 Arck Sensor filed Critical Arck Sensor
Priority to FR1860658A priority Critical patent/FR3088724B1/en
Publication of FR3088724A1 publication Critical patent/FR3088724A1/en
Application granted granted Critical
Publication of FR3088724B1 publication Critical patent/FR3088724B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/894—Pinholes
    • 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
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854—Grading and classifying of flaws
    • G01N2021/8861—Determining coordinates of flaws
    • G01N2021/8864—Mapping zones of defects
    • 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
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G01N2021/8918—Metal

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)
FR1860658A 2018-11-16 2018-11-16 DEVICE FOR THE OPTICAL DETECTION OF DEFECTS IN A SHEET MATERIAL, PROVIDED WITH TWO DETECTION HEADS Active FR3088724B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1860658A FR3088724B1 (en) 2018-11-16 2018-11-16 DEVICE FOR THE OPTICAL DETECTION OF DEFECTS IN A SHEET MATERIAL, PROVIDED WITH TWO DETECTION HEADS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1860658A FR3088724B1 (en) 2018-11-16 2018-11-16 DEVICE FOR THE OPTICAL DETECTION OF DEFECTS IN A SHEET MATERIAL, PROVIDED WITH TWO DETECTION HEADS

Publications (2)

Publication Number Publication Date
FR3088724A1 FR3088724A1 (en) 2020-05-22
FR3088724B1 true FR3088724B1 (en) 2022-05-27

Family

ID=65685792

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1860658A Active FR3088724B1 (en) 2018-11-16 2018-11-16 DEVICE FOR THE OPTICAL DETECTION OF DEFECTS IN A SHEET MATERIAL, PROVIDED WITH TWO DETECTION HEADS

Country Status (1)

Country Link
FR (1) FR3088724B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09229874A (en) * 1996-02-22 1997-09-05 Nisshin Steel Co Ltd Apparatus for monitoring surface of metal band
JP2001343331A (en) * 2000-05-31 2001-12-14 Nkk Corp System and method for inspecting defect
US6750466B2 (en) * 2001-02-09 2004-06-15 Wintriss Engineering Corporation Web inspection system
FR2852533B1 (en) 2003-03-20 2006-10-06 Arck Electronique HOLES DETECTION DEVICE IN CONTINUOUS BAND THREADED MATERIALS
JP6314557B2 (en) * 2014-03-12 2018-04-25 オムロン株式会社 Sheet inspection device
JP6500518B2 (en) * 2015-03-10 2019-04-17 オムロン株式会社 Sheet inspection device

Also Published As

Publication number Publication date
FR3088724A1 (en) 2020-05-22

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