GB1422880A - Method and apparatus for identifying the periodicity of surface defects of strip materials - Google Patents

Method and apparatus for identifying the periodicity of surface defects of strip materials

Info

Publication number
GB1422880A
GB1422880A GB2831673A GB2831673A GB1422880A GB 1422880 A GB1422880 A GB 1422880A GB 2831673 A GB2831673 A GB 2831673A GB 2831673 A GB2831673 A GB 2831673A GB 1422880 A GB1422880 A GB 1422880A
Authority
GB
United Kingdom
Prior art keywords
shift
strip
periodicity
registers
gate
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
GB2831673A
Other languages
English (en)
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of GB1422880A publication Critical patent/GB1422880A/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

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)
GB2831673A 1972-07-31 1973-06-14 Method and apparatus for identifying the periodicity of surface defects of strip materials Expired GB1422880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47076008A JPS5213952B2 (US20110009641A1-20110113-C00116.png) 1972-07-31 1972-07-31

Publications (1)

Publication Number Publication Date
GB1422880A true GB1422880A (en) 1976-01-28

Family

ID=13592769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2831673A Expired GB1422880A (en) 1972-07-31 1973-06-14 Method and apparatus for identifying the periodicity of surface defects of strip materials

Country Status (5)

Country Link
US (1) US3812373A (US20110009641A1-20110113-C00116.png)
JP (1) JPS5213952B2 (US20110009641A1-20110113-C00116.png)
DE (1) DE2338849C3 (US20110009641A1-20110113-C00116.png)
FR (1) FR2195347A5 (US20110009641A1-20110113-C00116.png)
GB (1) GB1422880A (US20110009641A1-20110113-C00116.png)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935091A (US20110009641A1-20110113-C00116.png) * 1972-08-01 1974-04-01
US3972624A (en) * 1973-12-20 1976-08-03 Agfa-Gevaert, A.G. Process and apparatus for detecting longitudinal faults on moving webs of material
DE2611539C3 (de) * 1976-03-18 1982-09-09 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zum Erkennen und Orten von sich in Längsrichtung einer laufenden Materialbahn erstreckenden Fehlern
GB1580195A (en) * 1976-05-07 1980-11-26 Ferranti Ltd Discrimination circuit arrangements
JPS5487267U (US20110009641A1-20110113-C00116.png) * 1977-12-02 1979-06-20
JPS551464U (US20110009641A1-20110113-C00116.png) * 1978-06-20 1980-01-08
US4253768A (en) * 1978-08-09 1981-03-03 Westinghouse Electric Corp. Processing system for detection and the classification of flaws on metallic surfaces
US4219277A (en) * 1978-08-09 1980-08-26 Westinghouse Electric Corp. Method of detecting flaws on surfaces
JPS5566586U (US20110009641A1-20110113-C00116.png) * 1978-10-31 1980-05-08
US4228513A (en) * 1978-11-13 1980-10-14 The B. F. Goodrich Company Monitor system and method for detecting sequential events in a cyclical process
DE2853258A1 (de) * 1978-12-09 1980-06-12 Hoesch Werke Ag Verfahren und anordnung zum aufbringen einer kennzeichnung auf der oberflaeche von bewegten tafeln und baendern
US4249081A (en) * 1979-11-01 1981-02-03 Sparton Corporation Defect detection system
US4389575A (en) * 1980-07-03 1983-06-21 Sparton Corporation Fabric inspection system
DE3043849A1 (de) * 1980-11-21 1982-07-08 Koninklijke Textielfabrieken Nijverdal-Ten Gate N.V., Almelo Verfahren zum beschauen einer reflektierenden und/oder transparenten, sich bewegenden bahn und beschaumaschine zur durchfuehrung des verfahrens
DE3212437A1 (de) * 1982-04-02 1983-10-13 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Verfahren zur ermittlung von laenglichen fehlern in bahnmaterial mit optischen mitteln
DE3212438C2 (de) * 1982-04-02 1984-10-25 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Verfahren zur Auswertung der analogen elektrischen Ausgangssignale einer photoelektrischen Lichtempfangsvorrichtung in optischen Bahnabtastvorrichtungen
US4662757A (en) * 1984-05-18 1987-05-05 Rca Corporation Motion tracking system and method
US4662756A (en) * 1984-05-18 1987-05-05 Rca Corporation Motion tracking device
US4958307A (en) * 1987-11-20 1990-09-18 Kabushiki Kaisha Toshiba Roll mark inspection apparatus
US5375722A (en) * 1992-03-11 1994-12-27 W. H. Leary Co., Inc. Carton monitoring system
DE19613083A1 (de) 1996-04-02 1997-10-09 Koenig & Bauer Albert Ag Verfahren zur qualitativen Beurteilung von bearbeitetem Material
DE19946787A1 (de) 1999-09-29 2001-04-05 Focke & Co Verfahren und Vorrichtung zur Diagnose von Maschinen
US6542240B2 (en) * 2001-03-30 2003-04-01 Alcan International Limited Method of identifying defective roll on a strip processing line
DE102011083405A1 (de) * 2010-12-21 2012-06-21 Sms Siemag Ag Verfahren und Vorrichtung zur Oberflächeninspektion von Bandstücken
EP3594667A1 (fr) 2018-07-12 2020-01-15 Primetals Technologies France SAS Installation de détection de défauts périodiques d'un produit en défilement

Also Published As

Publication number Publication date
FR2195347A5 (US20110009641A1-20110113-C00116.png) 1974-03-01
DE2338849C3 (de) 1975-04-17
JPS4934881A (US20110009641A1-20110113-C00116.png) 1974-03-30
JPS5213952B2 (US20110009641A1-20110113-C00116.png) 1977-04-18
DE2338849A1 (de) 1974-02-21
DE2338849B2 (de) 1974-08-29
US3812373A (en) 1974-05-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee