ZA859448B - Process and apparatus for testing transparent material webs,particularly plate glass ribbons - Google Patents

Process and apparatus for testing transparent material webs,particularly plate glass ribbons

Info

Publication number
ZA859448B
ZA859448B ZA859448A ZA859448A ZA859448B ZA 859448 B ZA859448 B ZA 859448B ZA 859448 A ZA859448 A ZA 859448A ZA 859448 A ZA859448 A ZA 859448A ZA 859448 B ZA859448 B ZA 859448B
Authority
ZA
South Africa
Prior art keywords
transparent material
plate glass
material webs
glass ribbons
particularly plate
Prior art date
Application number
ZA859448A
Other languages
English (en)
Inventor
Lutz Bartelsen
Original Assignee
Flachglas Ag
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 Flachglas Ag filed Critical Flachglas Ag
Publication of ZA859448B publication Critical patent/ZA859448B/xx

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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • 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

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Reinforced Plastic Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
ZA859448A 1984-12-14 1985-12-10 Process and apparatus for testing transparent material webs,particularly plate glass ribbons ZA859448B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3445580 1984-12-14

Publications (1)

Publication Number Publication Date
ZA859448B true ZA859448B (en) 1986-08-27

Family

ID=6252739

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA859448A ZA859448B (en) 1984-12-14 1985-12-10 Process and apparatus for testing transparent material webs,particularly plate glass ribbons

Country Status (9)

Country Link
US (1) US4697082A (xx)
EP (1) EP0189551B1 (xx)
JP (1) JPS61155737A (xx)
CN (1) CN85109608A (xx)
AT (1) ATE38289T1 (xx)
AU (1) AU5109985A (xx)
BR (1) BR8506528A (xx)
DE (1) DE3565893D1 (xx)
ZA (1) ZA859448B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068523A (en) * 1990-03-02 1991-11-26 Intec Corp. Scanner detector array and light diffuser
JPH0420845A (ja) * 1990-05-15 1992-01-24 Jujo Paper Co Ltd 光沢むらの測定方法
FR2681429B1 (fr) * 1991-09-13 1995-05-24 Thomson Csf Procede et dispositif d'inspection du verre.
US5525138A (en) * 1994-05-26 1996-06-11 Ford Motor Company Determination of tensile membrane stress and compressive layer thickness in tempered glass using a CO2 laser beam
US6304660B1 (en) 1998-05-29 2001-10-16 Welch Allyn Data Collection, Inc. Apparatuses for processing security documents
GB9812091D0 (en) * 1998-06-05 1998-08-05 Glaverbel Defect detecting unit
AU765183B2 (en) * 1999-09-02 2003-09-11 Resolve Engineering Pty Ltd Detection of inclusions in glass
AUPQ262299A0 (en) * 1999-09-02 1999-09-23 Resolve Engineering Pty Ltd Detection of inclusions in glass
DE10221945C1 (de) * 2002-05-13 2003-07-31 Schott Glas Verfahren und Vorrichtung zur Ermittlung von Fehlstellen in einem kontinuierlich fortbewegten Band aus transparentem Material
AT501080B1 (de) * 2005-01-12 2006-06-15 Schuller Thomas Verfahren zur prüfung auf nickelsulfideinschlüsse in einscheibensicherheitsglas und vorrichtung hierfür
AT502411B1 (de) * 2005-11-04 2007-03-15 Glasslq Gmbh & Co Kg Verfahren zum prüfen eines gegenstandes aus glas auf einschlüsse
CA2628090C (en) * 2005-11-07 2014-10-21 Cardinal Cg Company Method and apparatus for identifying photocatalytic coatings
US7548317B2 (en) * 2006-05-05 2009-06-16 Agc Flat Glass North America, Inc. Apparatus and method for angular colorimetry
CN102323275B (zh) * 2011-08-10 2013-06-05 宁波大学 一种红外硫系玻璃内部宏观缺陷成像检测装置
DE102013002602B4 (de) * 2013-02-15 2022-05-05 Hegla Boraident Gmbh & Co. Kg Verfahren und Vorrichtung zur Detektion von Partikeln in Glas
WO2016103110A1 (en) 2014-12-22 2016-06-30 Pirelli Tyre S.P.A. Apparatus for controlling tyres in a production line
RU2696343C2 (ru) * 2014-12-22 2019-08-01 Пирелли Тайр С.П.А. Способ и устройство для контроля шин на производственной линии
CN106248684B (zh) * 2015-06-03 2019-12-17 法国圣戈班玻璃公司 用于检测透明基底的内部瑕疵的光学装置及方法
JP2021516332A (ja) * 2018-03-07 2021-07-01 ガーディアン・グラス・エルエルシーＧｕａｒｄｉａｎ Ｇｌａｓｓ， Ｌｌｃ 波長（複数可）分析に基づいてフロートガラス中の含有物を検出するための方法及びシステム
US10481097B1 (en) 2018-10-01 2019-11-19 Guardian Glass, LLC Method and system for detecting inclusions in float glass based on spectral reflectance analysis
CN110987823B (zh) * 2019-11-21 2020-10-09 中国科学院地球化学研究所 利用显微红外光谱区分月球火山玻璃和撞击玻璃的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1315654A (en) * 1969-05-21 1973-05-02 Pilkington Brothers Ltd Detection of faults in transparent material using lasers
FR2078535A5 (xx) * 1970-02-16 1971-11-05 British Aircraft Corp Ltd
US3808439A (en) * 1972-04-24 1974-04-30 Us Army Laser illumination thermal imaging device for nondestructive testing
US3805073A (en) * 1973-08-22 1974-04-16 Western Electric Co Method and apparatus for obtaining a stereoscopic thermal image of internal and surface portions of an article
GB1526930A (en) * 1974-12-19 1978-10-04 Bfg Glassgroup Process and apparatus for testing glass
US4026656A (en) * 1975-09-02 1977-05-31 Owens-Illinois, Inc. Stone detector
US4208126A (en) * 1978-05-24 1980-06-17 Electric Power Research Institute, Inc. System for detecting foreign particles or voids in electrical cable insulation and method
FR2500630A1 (fr) * 1981-02-25 1982-08-27 Leser Jacques Procede pour la recherche des defauts des feuilles de verre et dispositif mettant en oeuvre ce procede
DE3129808C2 (de) * 1981-07-29 1983-06-16 Feldmühle AG, 4000 Düsseldorf Verfahren zum Prüfen von transparenten Materialbahnen
CS241114B2 (en) * 1981-07-29 1986-03-13 Feldmuehle Ag Method of materials' transparent bands quality testing and device for its performance

Also Published As

Publication number Publication date
EP0189551B1 (de) 1988-10-26
AU5109985A (en) 1986-06-19
US4697082A (en) 1987-09-29
JPS61155737A (ja) 1986-07-15
ATE38289T1 (de) 1988-11-15
DE3565893D1 (en) 1988-12-01
BR8506528A (pt) 1986-09-09
EP0189551A1 (de) 1986-08-06
CN85109608A (zh) 1986-07-23

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