ZA726393B - Method and apparatus for measuring optical irregularities in an article - Google Patents

Method and apparatus for measuring optical irregularities in an article

Info

Publication number
ZA726393B
ZA726393B ZA726393A ZA726393A ZA726393B ZA 726393 B ZA726393 B ZA 726393B ZA 726393 A ZA726393 A ZA 726393A ZA 726393 A ZA726393 A ZA 726393A ZA 726393 B ZA726393 B ZA 726393B
Authority
ZA
South Africa
Prior art keywords
article
measuring optical
optical irregularities
irregularities
measuring
Prior art date
Application number
ZA726393A
Other languages
English (en)
Inventor
S Hategan
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Publication of ZA726393B publication Critical patent/ZA726393B/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
    • G01N21/84—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)
ZA726393A 1971-09-24 1972-09-19 Method and apparatus for measuring optical irregularities in an article ZA726393B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7134556A FR2153817A5 (fr) 1971-09-24 1971-09-24

Publications (1)

Publication Number Publication Date
ZA726393B true ZA726393B (en) 1973-06-27

Family

ID=9083467

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA726393A ZA726393B (en) 1971-09-24 1972-09-19 Method and apparatus for measuring optical irregularities in an article

Country Status (15)

Country Link
JP (1) JPS4842790A (fr)
AR (1) AR198958A1 (fr)
AU (1) AU4701672A (fr)
BE (1) BE789192A (fr)
BR (1) BR7206599D0 (fr)
CA (1) CA999065A (fr)
DD (1) DD99855A5 (fr)
DE (1) DE2246468A1 (fr)
ES (1) ES406936A1 (fr)
FR (1) FR2153817A5 (fr)
GB (1) GB1406296A (fr)
HU (1) HU166296B (fr)
IT (1) IT985523B (fr)
SE (1) SE386274B (fr)
ZA (1) ZA726393B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531441A (en) * 1978-08-28 1980-03-05 Hitachi Plant Eng & Constr Co Piping washing method
JPS5535985A (en) * 1978-09-08 1980-03-13 Hitachi Plant Eng & Constr Co Piping washing method
JPS5653323Y2 (fr) * 1979-09-29 1981-12-11
FR2591341B1 (fr) * 1985-12-10 1988-02-19 Saint Gobain Vitrage Technique de detection de defauts optiques sur ligne de production de verre
JP6683464B2 (ja) * 2015-12-07 2020-04-22 大和製罐株式会社 密封容器の内圧検査装置

Also Published As

Publication number Publication date
CA999065A (en) 1976-10-26
BR7206599D0 (pt) 1973-07-19
AR198958A1 (es) 1974-07-31
BE789192A (fr) 1973-03-22
DD99855A5 (fr) 1973-08-20
IT985523B (it) 1974-12-10
AU4701672A (en) 1974-03-28
DE2246468A1 (de) 1973-03-29
HU166296B (fr) 1975-02-28
GB1406296A (en) 1975-09-17
JPS4842790A (fr) 1973-06-21
SE386274B (sv) 1976-08-02
ES406936A1 (es) 1975-09-01
FR2153817A5 (fr) 1973-05-04

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