FR2295417A1 - METHOD AND DEVICE FOR INSPECTING A SHEET OR A RIBBON OF GLASS HAVING BEEN STRETCHED ACCORDING TO A DETERMINED DIRECTION - Google Patents

METHOD AND DEVICE FOR INSPECTING A SHEET OR A RIBBON OF GLASS HAVING BEEN STRETCHED ACCORDING TO A DETERMINED DIRECTION

Info

Publication number
FR2295417A1
FR2295417A1 FR7538410A FR7538410A FR2295417A1 FR 2295417 A1 FR2295417 A1 FR 2295417A1 FR 7538410 A FR7538410 A FR 7538410A FR 7538410 A FR7538410 A FR 7538410A FR 2295417 A1 FR2295417 A1 FR 2295417A1
Authority
FR
France
Prior art keywords
inspecting
ribbon
glass
sheet
determined direction
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.)
Withdrawn
Application number
FR7538410A
Other languages
French (fr)
Inventor
Jean Josse
Roger Albert
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.)
BFG Glassgroup GIE
Original Assignee
BFG Glassgroup GIE
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 BFG Glassgroup GIE filed Critical BFG Glassgroup GIE
Publication of FR2295417A1 publication Critical patent/FR2295417A1/en
Withdrawn legal-status Critical Current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

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)
FR7538410A 1974-12-19 1975-12-11 METHOD AND DEVICE FOR INSPECTING A SHEET OR A RIBBON OF GLASS HAVING BEEN STRETCHED ACCORDING TO A DETERMINED DIRECTION Withdrawn FR2295417A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5495474A GB1526930A (en) 1974-12-19 1974-12-19 Process and apparatus for testing glass

Publications (1)

Publication Number Publication Date
FR2295417A1 true FR2295417A1 (en) 1976-07-16

Family

ID=10472562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7538410A Withdrawn FR2295417A1 (en) 1974-12-19 1975-12-11 METHOD AND DEVICE FOR INSPECTING A SHEET OR A RIBBON OF GLASS HAVING BEEN STRETCHED ACCORDING TO A DETERMINED DIRECTION

Country Status (4)

Country Link
BE (1) BE836518A (en)
DE (1) DE2556395A1 (en)
FR (1) FR2295417A1 (en)
GB (1) GB1526930A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373240A1 (en) * 1976-12-07 1978-07-07 Arenco Pmb Bv PROCESS FOR PROCESSING PRODUCTS OR GROUPS OF PRODUCTS, FOR EXAMPLE TOBACCO LEAVES
FR2579750A1 (en) * 1985-04-02 1986-10-03 Glaverbel METHOD AND DEVICE FOR DETERMINING THE LOCATION OF DEFECTS PRESENT IN FLAT GLASS
FR2588381A1 (en) * 1985-09-24 1987-04-10 Sick Optik Elektronik Erwin OPTICAL SCANNING CONTROL APPARATUS OF BAND MATERIALS

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2808360C3 (en) * 1978-02-27 1981-09-24 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optical device for determining the light exit angle
US4381447A (en) * 1980-09-19 1983-04-26 Brandt, Inc. Method and apparatus for evaluating and sorting sheets in a high speed manner
DE3565893D1 (en) * 1984-12-14 1988-12-01 Flachglas Ag Method and device for inspecting transparent strip material, in particular flat glass ribbons
CA2252308C (en) 1998-10-30 2005-01-04 Image Processing Systems, Inc. Glass inspection system
US6633377B1 (en) 2000-04-20 2003-10-14 Image Processing Systems Inc. Dark view inspection system for transparent media
US6501546B1 (en) 2000-05-05 2002-12-31 Photon Dynamics Canada Inc. Inspection system for edges of glass
US6512239B1 (en) 2000-06-27 2003-01-28 Photon Dynamics Canada Inc. Stereo vision inspection system for transparent media
EP1737587B1 (en) 2004-03-04 2016-06-08 Parsytec Computer GmbH Method for preparing surface data, method and device for evaluating and managing a strip material quality
GB2415776B (en) 2004-06-28 2009-01-28 Carglass Luxembourg Sarl Zug Investigation of vehicle glazing panels
JP5248052B2 (en) 2006-10-11 2013-07-31 日東電工株式会社 Defect inspection device for sheet-like product having optical film, inspection data processing device, cutting device and manufacturing system thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373240A1 (en) * 1976-12-07 1978-07-07 Arenco Pmb Bv PROCESS FOR PROCESSING PRODUCTS OR GROUPS OF PRODUCTS, FOR EXAMPLE TOBACCO LEAVES
FR2579750A1 (en) * 1985-04-02 1986-10-03 Glaverbel METHOD AND DEVICE FOR DETERMINING THE LOCATION OF DEFECTS PRESENT IN FLAT GLASS
FR2588381A1 (en) * 1985-09-24 1987-04-10 Sick Optik Elektronik Erwin OPTICAL SCANNING CONTROL APPARATUS OF BAND MATERIALS

Also Published As

Publication number Publication date
BE836518A (en) 1976-06-11
DE2556395A1 (en) 1976-06-24
GB1526930A (en) 1978-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse