FR2182254A5 - - Google Patents

Info

Publication number
FR2182254A5
FR2182254A5 FR7214388A FR7214388A FR2182254A5 FR 2182254 A5 FR2182254 A5 FR 2182254A5 FR 7214388 A FR7214388 A FR 7214388A FR 7214388 A FR7214388 A FR 7214388A FR 2182254 A5 FR2182254 A5 FR 2182254A5
Authority
FR
France
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
FR7214388A
Other languages
French (fr)
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.)
Saint Gobain PAM SA
Original Assignee
Saint Gobain PAM SA
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 Saint Gobain PAM SA filed Critical Saint Gobain PAM SA
Priority to FR7214388A priority Critical patent/FR2182254A5/fr
Priority to DE19732318532 priority patent/DE2318532C3/de
Priority to ES413703A priority patent/ES413703A1/es
Priority to BE130352A priority patent/BE798636A/xx
Application granted granted Critical
Publication of FR2182254A5 publication Critical patent/FR2182254A5/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
    • G01N21/892—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
    • G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
    • 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
    • G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
    • G01N2021/8967—Discriminating defects on opposite sides or at different depths of sheet or rod

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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
FR7214388A 1972-04-24 1972-04-24 Expired FR2182254A5 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7214388A FR2182254A5 (de) 1972-04-24 1972-04-24
DE19732318532 DE2318532C3 (de) 1972-04-24 1973-04-12 Anwendung des Schattenverfahrens zur kontinuierlichen optischen Kontrolle der Oberflächenqualität eines Glasbandes
ES413703A ES413703A1 (es) 1972-04-24 1973-04-14 Procedimiento para el control optico del vidrio flotado.
BE130352A BE798636A (fr) 1972-04-24 1973-04-24 Procede pour le controle optique du verre flotte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214388A FR2182254A5 (de) 1972-04-24 1972-04-24

Publications (1)

Publication Number Publication Date
FR2182254A5 true FR2182254A5 (de) 1973-12-07

Family

ID=9097381

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214388A Expired FR2182254A5 (de) 1972-04-24 1972-04-24

Country Status (4)

Country Link
BE (1) BE798636A (de)
DE (1) DE2318532C3 (de)
ES (1) ES413703A1 (de)
FR (1) FR2182254A5 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3816392A1 (de) * 1988-05-13 1989-11-23 Ver Glaswerke Gmbh Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten
DE4201274C2 (de) * 1992-01-18 1995-02-23 Ver Glaswerke Gmbh Vorrichtung zum Messen der Reflexionseigenschaften einer mit einer teilreflektierenden Schicht versehenen Glasscheibe
DE19509345A1 (de) * 1995-03-15 1996-09-19 Ver Glaswerke Gmbh Verfahren zum Erkennen und Bewerten von Fehlern in teilreflektierenden Oberflächenschichten
GB9812091D0 (en) * 1998-06-05 1998-08-05 Glaverbel Defect detecting unit
DE102004027411A1 (de) * 2004-06-04 2005-12-29 Boraglas Gmbh Verfahren und Vorrichtung zur Identifizierung von Zinn- und Feuerseite bei Floatgläsern

Also Published As

Publication number Publication date
DE2318532C3 (de) 1975-09-11
DE2318532B2 (de) 1975-01-23
BE798636A (fr) 1973-10-24
DE2318532A1 (de) 1973-11-15
ES413703A1 (es) 1976-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse