GB1045693A - Improved method of and apparatus for determining the quality of glass - Google Patents

Improved method of and apparatus for determining the quality of glass

Info

Publication number
GB1045693A
GB1045693A GB123764A GB123764A GB1045693A GB 1045693 A GB1045693 A GB 1045693A GB 123764 A GB123764 A GB 123764A GB 123764 A GB123764 A GB 123764A GB 1045693 A GB1045693 A GB 1045693A
Authority
GB
United Kingdom
Prior art keywords
glass
quality
determining
improved method
improved
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
GB123764A
Other languages
English (en)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain 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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB1045693A publication Critical patent/GB1045693A/en
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

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)
GB123764A 1963-01-10 1964-01-10 Improved method of and apparatus for determining the quality of glass Expired GB1045693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920998A FR1352987A (fr) 1963-01-10 1963-01-10 Procédé pour la détermination de la qualité du verre et notamment du verre étiré

Publications (1)

Publication Number Publication Date
GB1045693A true GB1045693A (en) 1966-10-19

Family

ID=8794422

Family Applications (1)

Application Number Title Priority Date Filing Date
GB123764A Expired GB1045693A (en) 1963-01-10 1964-01-10 Improved method of and apparatus for determining the quality of glass

Country Status (5)

Country Link
BE (1) BE642207A (en:Method)
DE (1) DE1473389A1 (en:Method)
FR (1) FR1352987A (en:Method)
GB (1) GB1045693A (en:Method)
NL (1) NL6400119A (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298808A (en) 1976-05-10 1981-11-03 British Steel Corporation Defect detection
WO2004088294A1 (en) * 2003-03-29 2004-10-14 Pilkington Plc Glazing inspection
CN100543464C (zh) * 2003-03-19 2009-09-23 皮尔金顿公共有限公司 确定玻璃光学质量的方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298808A (en) 1976-05-10 1981-11-03 British Steel Corporation Defect detection
CN100543464C (zh) * 2003-03-19 2009-09-23 皮尔金顿公共有限公司 确定玻璃光学质量的方法
WO2004088294A1 (en) * 2003-03-29 2004-10-14 Pilkington Plc Glazing inspection
US7692781B2 (en) 2003-03-29 2010-04-06 Pilkington Plc Glazing inspection

Also Published As

Publication number Publication date
FR1352987A (fr) 1964-02-21
DE1473389A1 (de) 1968-12-19
BE642207A (en:Method) 1964-07-07
NL6400119A (en:Method) 1964-07-13

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