FR2598507B1 - Appareil et procede d'inspection pour detecter une distorsion de la surface d'une feuille de matiere reflechissante - Google Patents

Appareil et procede d'inspection pour detecter une distorsion de la surface d'une feuille de matiere reflechissante

Info

Publication number
FR2598507B1
FR2598507B1 FR868603519A FR8603519A FR2598507B1 FR 2598507 B1 FR2598507 B1 FR 2598507B1 FR 868603519 A FR868603519 A FR 868603519A FR 8603519 A FR8603519 A FR 8603519A FR 2598507 B1 FR2598507 B1 FR 2598507B1
Authority
FR
France
Prior art keywords
distortion
sheet
detecting
inspection apparatus
reflective material
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 - Lifetime
Application number
FR868603519A
Other languages
English (en)
Other versions
FR2598507A1 (fr
Inventor
Richard Dale Schave
Walter David Mccomb
Andrew William Rudolph
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.)
Pilkington North America Inc
Original Assignee
Libbey Owens Ford Co
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 Libbey Owens Ford Co filed Critical Libbey Owens Ford Co
Publication of FR2598507A1 publication Critical patent/FR2598507A1/fr
Application granted granted Critical
Publication of FR2598507B1 publication Critical patent/FR2598507B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Length Measuring Devices By Optical Means (AREA)
FR868603519A 1983-11-04 1986-03-12 Appareil et procede d'inspection pour detecter une distorsion de la surface d'une feuille de matiere reflechissante Expired - Lifetime FR2598507B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/548,684 US4585343A (en) 1983-11-04 1983-11-04 Apparatus and method for inspecting glass

Publications (2)

Publication Number Publication Date
FR2598507A1 FR2598507A1 (fr) 1987-11-13
FR2598507B1 true FR2598507B1 (fr) 1990-03-23

Family

ID=24189942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868603519A Expired - Lifetime FR2598507B1 (fr) 1983-11-04 1986-03-12 Appareil et procede d'inspection pour detecter une distorsion de la surface d'une feuille de matiere reflechissante

Country Status (4)

Country Link
US (1) US4585343A (fr)
DE (1) DE3608086A1 (fr)
FR (1) FR2598507B1 (fr)
GB (1) GB2187547B (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3579119D1 (de) * 1984-11-30 1990-09-13 Kawasaki Steel Co Verfahren zur bestimmung des oberflaechenglanzes eines koerpers.
GB2195438A (en) * 1986-09-26 1988-04-07 Pilkington Brothers Plc Detecting unwanted materials among cullet
BR8907064A (pt) * 1988-08-26 1991-01-02 Libbey Owens Ford Co Processo de inspecionar folhas de vidro transparentes curvas e aparelho para inspecionar folhas encaixadas de material transparentes e folhas de vidro encaixadas
US4963731A (en) * 1989-08-11 1990-10-16 Courser, Incorporated Optical level measurement system
IL97224A (en) * 1990-03-07 1995-06-29 Fmc Corp Component evaluation system
US5251010A (en) * 1991-06-07 1993-10-05 Glasstech, Inc. Optical roller wave gauge
JP3118316B2 (ja) * 1991-06-19 2000-12-18 三星コーニング株式会社 陰極線管用フェイスプレートの表面検査装置
US5153445A (en) * 1991-07-22 1992-10-06 General Motors Corporation Method and apparatus for measuring orange peel and texture in painted surfaces
GB9321850D0 (en) * 1993-10-22 1993-12-15 Roke Manor Research Improvements relating to optical measuring system
US5663997A (en) * 1995-01-27 1997-09-02 Asoma Instruments, Inc. Glass composition determination method and apparatus
US5667549A (en) * 1996-01-25 1997-09-16 Vidrio Plano De Mexico, S.A. De C.V. Method and system to automatically lift the curtains of the exit hood of a machine for the production of float flat glass
US5880843A (en) * 1997-09-03 1999-03-09 Vitro Flotado, S.A. De C.V. Apparatus and method for determining the optical distortion of a transparent substrate
US6349478B1 (en) 1998-02-09 2002-02-26 Ap Technoglass Corporation Window measuring device
WO2002018980A2 (fr) * 2000-09-01 2002-03-07 Applied Process Technologies Systeme optique permettant de visualiser les distorsions dans des feuilles reflechissantes en mouvement
US6985231B2 (en) * 2001-09-20 2006-01-10 Strainoptics, Inc. Method and apparatus for measuring the optical quality of a reflective surface
TWI240790B (en) * 2004-09-01 2005-10-01 Optimax Tech Corp Apparatus and methods for automatically measuring curls of optical sheets
CN100356137C (zh) * 2004-10-20 2007-12-19 力特光电科技股份有限公司 在线自动测量光学薄板翘曲的方法以及装置
US7866185B2 (en) * 2006-11-15 2011-01-11 Corning Incorporated Glass handling and processing system
WO2008072693A1 (fr) * 2006-12-14 2008-06-19 Nippon Electric Glass Co., Ltd. Dispositif de détection de défauts d'une vitre, procédé de fabrication d'une vitre, vitre, dispositif d'évaluation de la qualité d'une vitre, et procédé d'inspection d'une vitre
US8553082B2 (en) * 2007-06-01 2013-10-08 University Of Miyazaki Distortion inspecting apparatus and distortion inspecting method
US20090199594A1 (en) * 2008-02-10 2009-08-13 Litesentry Corporation Closed loop control system for the heat-treatment of glass
US9952037B2 (en) 2015-06-26 2018-04-24 Glasstech, Inc. System and method for developing three-dimensional surface information corresponding to a contoured sheet
US9933251B2 (en) 2015-06-26 2018-04-03 Glasstech, Inc. Non-contact gaging system and method for contoured glass sheets
US9851200B2 (en) 2015-06-26 2017-12-26 Glasstech, Inc. Non-contact gaging system and method for contoured panels having specular surfaces
US9841276B2 (en) 2015-06-26 2017-12-12 Glasstech, Inc. System and method for developing three-dimensional surface information corresponding to a contoured glass sheet
US9952039B2 (en) 2015-06-26 2018-04-24 Glasstech, Inc. System and method for measuring reflected optical distortion in contoured panels having specular surfaces
US9470641B1 (en) 2015-06-26 2016-10-18 Glasstech, Inc. System and method for measuring reflected optical distortion in contoured glass sheets
DE102016015502A1 (de) 2016-12-23 2018-06-28 Singulus Technologies Ag Verfahren und Vorrichtung zur thermischen Behandlung beschichteter Substrate, insbesondere von Dünnschicht-Solarsubstraten
US10289930B2 (en) * 2017-02-09 2019-05-14 Glasstech, Inc. System and associated for online measurement of the optical characteristics of a glass sheet
US11480532B2 (en) * 2018-06-07 2022-10-25 LiteSentry LLC Inspection, analysis, classification, and grading of transparent sheets using segmented datasets of photoelasticity measurements
EP3838470A1 (fr) * 2019-12-17 2021-06-23 Bystronic Laser AG Détection de pièces étrangères et de scories sur une table de travail

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290096A (fr) * 1970-03-23 1972-09-20
US3779731A (en) * 1972-02-07 1973-12-18 Ppg Industries Inc Controlled glass manufacturing process
US3788750A (en) * 1972-12-06 1974-01-29 Libbey Owens Ford Co Inspecting glass
US3857637A (en) * 1973-01-10 1974-12-31 Ppg Industries Inc Surface distortion analyzer
US4139306A (en) * 1977-02-07 1979-02-13 General Electric Company Television inspection system
US4223346A (en) * 1979-04-05 1980-09-16 Armco Inc. Automatic defect detecting inspection apparatus
JPS5677704A (en) * 1979-11-30 1981-06-26 Hitachi Ltd Inspection system for surface defect of substance
JPS5862506A (ja) * 1981-10-12 1983-04-14 Matsushita Electric Ind Co Ltd 表面微小検査装置
JPS58144731A (ja) * 1982-02-24 1983-08-29 Hitachi Ltd 品質判定装置
JPS58219441A (ja) * 1982-06-15 1983-12-20 Hajime Sangyo Kk 凸面体の表面欠陥検査装置
GB2159271B (en) * 1984-04-27 1988-05-18 Nissan Motor Surface flaw detecting method and apparatus
GB2183332B (en) * 1985-11-22 1990-06-20 Rank Taylor Hobson Ltd Optical position sensor

Also Published As

Publication number Publication date
DE3608086A1 (de) 1987-09-10
GB8605711D0 (en) 1986-04-16
GB2187547B (en) 1990-07-11
GB2187547A (en) 1987-09-09
FR2598507A1 (fr) 1987-11-13
US4585343A (en) 1986-04-29

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Legal Events

Date Code Title Description
ST Notification of lapse