ZA831509B - Apparatus for testing sheets of flat glass - Google Patents

Apparatus for testing sheets of flat glass

Info

Publication number
ZA831509B
ZA831509B ZA831509A ZA831509A ZA831509B ZA 831509 B ZA831509 B ZA 831509B ZA 831509 A ZA831509 A ZA 831509A ZA 831509 A ZA831509 A ZA 831509A ZA 831509 B ZA831509 B ZA 831509B
Authority
ZA
South Africa
Prior art keywords
flat glass
testing sheets
sheets
testing
glass
Prior art date
Application number
ZA831509A
Inventor
Wolfgang Haubold
Gerhard Farwick
Original Assignee
Feldmuehle 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 Feldmuehle Ag filed Critical Feldmuehle Ag
Publication of ZA831509B publication Critical patent/ZA831509B/en

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)
ZA831509A 1982-03-05 1983-03-04 Apparatus for testing sheets of flat glass ZA831509B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3208040A DE3208040C2 (en) 1982-03-05 1982-03-05 Device for testing flat glass sheets

Publications (1)

Publication Number Publication Date
ZA831509B true ZA831509B (en) 1984-06-27

Family

ID=6157455

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA831509A ZA831509B (en) 1982-03-05 1983-03-04 Apparatus for testing sheets of flat glass

Country Status (4)

Country Link
EP (1) EP0088229A3 (en)
JP (1) JPS58162845A (en)
DE (1) DE3208040C2 (en)
ZA (1) ZA831509B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06331556A (en) * 1993-05-21 1994-12-02 Toyo Glass Co Ltd Discrimination apparatus of opaque foreign body in transparent body
AT402860B (en) * 1993-06-22 1997-09-25 Oesterr Forsch Seibersdorf METHOD AND DEVICE FOR TESTING TRANSPARENT OBJECTS
DE102016223306A1 (en) * 2016-11-24 2018-05-24 Bayerische Motoren Werke Aktiengesellschaft Device and method for detecting defects of a test object
CN110864715A (en) * 2019-11-19 2020-03-06 中航三鑫太阳能光电玻璃有限公司 Protection and cleaning device for plate glass on-line detection light source
CN112179873B (en) * 2020-09-29 2023-09-22 福建省港达新材料科技有限公司 Glass light transmittance detection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535535A (en) * 1966-10-03 1970-10-20 Paul Nash Inspection and sorting of sheet materials by photoelectric means
GB1439129A (en) * 1972-09-21 1976-06-09 Ferranti Ltd Detection of blemishes in surfaces
DE2261460A1 (en) * 1972-12-15 1974-06-20 Asahi Glass Co Ltd METHOD AND DEVICE FOR INDICATING OPTICAL DEFECTIVE POINTS IN A PERMEABLE OR SEMI-PERMEABLE BODY
DE3006072C2 (en) * 1980-02-19 1984-11-29 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Defect detection device for material webs

Also Published As

Publication number Publication date
EP0088229A2 (en) 1983-09-14
EP0088229A3 (en) 1984-11-28
DE3208040A1 (en) 1983-09-22
JPS58162845A (en) 1983-09-27
DE3208040C2 (en) 1984-02-16

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