FR1358963A - Dispositif détecteur des défauts superficiels des matières en feuille - Google Patents

Dispositif détecteur des défauts superficiels des matières en feuille

Info

Publication number
FR1358963A
FR1358963A FR937845A FR937845A FR1358963A FR 1358963 A FR1358963 A FR 1358963A FR 937845 A FR937845 A FR 937845A FR 937845 A FR937845 A FR 937845A FR 1358963 A FR1358963 A FR 1358963A
Authority
FR
France
Prior art keywords
sheet materials
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
FR937845A
Other languages
English (en)
Inventor
Paul Nash
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 filed Critical
Application granted granted Critical
Publication of FR1358963A publication Critical patent/FR1358963A/fr
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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Controlling Sheets Or Webs (AREA)
FR937845A 1962-06-22 1963-06-12 Dispositif détecteur des défauts superficiels des matières en feuille Expired FR1358963A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA852213 1962-06-22

Publications (1)

Publication Number Publication Date
FR1358963A true FR1358963A (fr) 1964-04-17

Family

ID=4141506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937845A Expired FR1358963A (fr) 1962-06-22 1963-06-12 Dispositif détecteur des défauts superficiels des matières en feuille

Country Status (5)

Country Link
US (1) US3334239A (fr)
CH (1) CH417129A (fr)
DE (2) DE1199022B (fr)
FR (1) FR1358963A (fr)
GB (1) GB976682A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593027A (en) * 1968-06-28 1971-07-13 Hell Rudolf Dr Ing Kg Web fault-detecting apparatus using roller constructed to prevent bouncing
DE6915129U (de) * 1969-04-16 1969-09-25 Hell Rudolf Dr Ing Fa Vorrichtung zur erfassung von quetschfalten, knoten oder aehnlichen fehlstellen in durchlaufenden material-, insbesondere papierbahnen
US3600591A (en) * 1970-01-13 1971-08-17 Feldmuehle Ag Apparatus for detecting surface elevations on a moving sheet
US3763373A (en) * 1972-03-15 1973-10-02 Du Pont Defect detector for a moving web
US3778618A (en) * 1972-05-08 1973-12-11 Xerox Corp Photodetection of non-opaque objects transported along a conveyor by use of a light blocking opaque flap
US3935468A (en) * 1974-09-11 1976-01-27 Research Technology Incorporated Light responsive detector
US4166700A (en) * 1977-06-24 1979-09-04 Research Technology, Inc. Film thickness detector
CN112683204B (zh) * 2020-12-09 2022-10-21 安徽坤源铝业有限公司 一种铝板生产用检测装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE586698C (de) * 1930-07-30 1933-10-25 Westinghouse Electric & Mfg Co Verfahren zum Pruefen und Sortieren von Gegenstaenden
DE628861C (de) * 1933-07-09 1936-04-17 Berlin Karlsruher Ind Werke Ak Verfahren zum Festellen der mechanischen Beschaffenheit von draht- oder bandfoermigen Werkstoffen waehrend der Verarbeitung auf Bearbeitungsmaschinen
DE647019C (de) * 1936-09-25 1937-06-25 Aeg Dickenmesseinrichtung, insbesondere fuer Walzwerke
US2617048A (en) * 1948-01-09 1952-11-04 Ibm Photoelectric inspection device
FR1165198A (fr) * 1955-12-16 1958-10-20 Molins Machine Co Ltd Dispositif pour détecter et contrôler des pièces telles que des ébauches en carton pour emballages
US3105152A (en) * 1959-01-12 1963-09-24 Nash Paul Inspection of sheet materials by photoelectric means
US3206606A (en) * 1961-07-20 1965-09-14 Eastman Kodak Co Photosensitive inspection method and apparatus

Also Published As

Publication number Publication date
DE1199022B (de) 1965-08-19
US3334239A (en) 1967-08-01
CH417129A (de) 1966-07-15
DE1296824B (de) 1969-06-04
GB976682A (en) 1964-12-02

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