FR1352987A - Method for determining the quality of glass and in particular of drawn glass - Google Patents

Method for determining the quality of glass and in particular of drawn glass

Info

Publication number
FR1352987A
FR1352987A FR920998A FR920998A FR1352987A FR 1352987 A FR1352987 A FR 1352987A FR 920998 A FR920998 A FR 920998A FR 920998 A FR920998 A FR 920998A FR 1352987 A FR1352987 A FR 1352987A
Authority
FR
France
Prior art keywords
glass
quality
determining
drawn
drawn glass
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
FR920998A
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.)
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
Priority to FR920998A priority Critical patent/FR1352987A/en
Priority to DE19641473389 priority patent/DE1473389A1/en
Priority to BE642207A priority patent/BE642207A/xx
Priority to GB123764A priority patent/GB1045693A/en
Priority to NL6400119A priority patent/NL6400119A/xx
Application granted granted Critical
Publication of FR1352987A publication Critical patent/FR1352987A/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)
FR920998A 1963-01-10 1963-01-10 Method for determining the quality of glass and in particular of drawn glass Expired FR1352987A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR920998A FR1352987A (en) 1963-01-10 1963-01-10 Method for determining the quality of glass and in particular of drawn glass
DE19641473389 DE1473389A1 (en) 1963-01-10 1964-01-07 Process for the automatic determination of the quality of drawn glass
BE642207A BE642207A (en) 1963-01-10 1964-01-07
GB123764A GB1045693A (en) 1963-01-10 1964-01-10 Improved method of and apparatus for determining the quality of glass
NL6400119A NL6400119A (en) 1963-01-10 1964-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920998A FR1352987A (en) 1963-01-10 1963-01-10 Method for determining the quality of glass and in particular of drawn glass

Publications (1)

Publication Number Publication Date
FR1352987A true FR1352987A (en) 1964-02-21

Family

ID=8794422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920998A Expired FR1352987A (en) 1963-01-10 1963-01-10 Method for determining the quality of glass and in particular of drawn glass

Country Status (5)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0306259D0 (en) * 2003-03-19 2003-04-23 Pilkington Plc Method to determine the optical quality of a glazing
GB0307345D0 (en) * 2003-03-29 2003-05-07 Pilkington Plc Glazing inspection

Also Published As

Publication number Publication date
GB1045693A (en) 1966-10-19
BE642207A (en) 1964-07-07
DE1473389A1 (en) 1968-12-19
NL6400119A (en) 1964-07-13

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