ZA825433B - A method of and an apparatus for testing transparent sheets of material - Google Patents

A method of and an apparatus for testing transparent sheets of material

Info

Publication number
ZA825433B
ZA825433B ZA825433A ZA825433A ZA825433B ZA 825433 B ZA825433 B ZA 825433B ZA 825433 A ZA825433 A ZA 825433A ZA 825433 A ZA825433 A ZA 825433A ZA 825433 B ZA825433 B ZA 825433B
Authority
ZA
South Africa
Prior art keywords
transparent sheets
testing transparent
testing
sheets
transparent
Prior art date
Application number
ZA825433A
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 ZA825433B publication Critical patent/ZA825433B/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)
ZA825433A 1981-07-29 1982-07-28 A method of and an apparatus for testing transparent sheets of material ZA825433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3129808A DE3129808C2 (en) 1981-07-29 1981-07-29 Method for testing transparent material webs

Publications (1)

Publication Number Publication Date
ZA825433B true ZA825433B (en) 1983-06-29

Family

ID=6137938

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA825433A ZA825433B (en) 1981-07-29 1982-07-28 A method of and an apparatus for testing transparent sheets of material

Country Status (3)

Country Link
JP (6) JPS5860243A (en)
DE (1) DE3129808C2 (en)
ZA (1) ZA825433B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316172A1 (en) * 1983-05-04 1984-11-08 Mahlo GmbH & Co KG, 8424 Saal METHOD AND DEVICE FOR CONTROLLING THE COLOR CAPACITY OF TEXTILES
DE3341539A1 (en) * 1983-11-17 1985-05-30 Focke & Co, 2810 Verden DEVICE FOR MONITORING AND CONTROLLING RAILWAYS IN PACKAGING MACHINES
ATE38289T1 (en) * 1984-12-14 1988-11-15 Flachglas Ag METHOD AND DEVICE FOR TESTING TRANSPARENT MATERIAL WEBS, IN PARTICULAR FLAT GLASS RIBBON.
JPS61207951A (en) * 1985-03-12 1986-09-16 Nec Corp Defect inspecting device for transparent object
JPH0833354B2 (en) * 1987-08-28 1996-03-29 株式会社ニコン Defect inspection equipment
DE3806385A1 (en) * 1988-02-29 1989-09-07 Feldmuehle Ag METHOD AND DEVICE FOR TESTING TRANSPARENT RAILS

Also Published As

Publication number Publication date
JPS5860244A (en) 1983-04-09
DE3129808A1 (en) 1983-02-17
JPS5860243A (en) 1983-04-09
JPS5860245A (en) 1983-04-09
DE3129808C2 (en) 1983-06-16
JPS5860242A (en) 1983-04-09
JPS5860246A (en) 1983-04-09
JPS5837551A (en) 1983-03-04

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