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FI902098A0 - PROOF OF INSPECTION OF GLASS EQUIPMENT. - Google Patents

PROOF OF INSPECTION OF GLASS EQUIPMENT.

Info

Publication number
FI902098A0
FI902098A0 FI902098A FI902098A FI902098A0 FI 902098 A0 FI902098 A0 FI 902098A0 FI 902098 A FI902098 A FI 902098A FI 902098 A FI902098 A FI 902098A FI 902098 A0 FI902098 A0 FI 902098A0
Authority
FI
Finland
Prior art keywords
proof
inspection
glass equipment
glass
equipment
Prior art date
Application number
FI902098A
Other languages
Finnish (fi)
Other versions
FI902098A7 (en
Inventor
Walter D Mccomb
Andrew W Rudolph
Barbara L Angell
Original Assignee
Libbey Owens Ford Co
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 Libbey Owens Ford Co filed Critical Libbey Owens Ford Co
Publication of FI902098A0 publication Critical patent/FI902098A0/en
Publication of FI902098A7 publication Critical patent/FI902098A7/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FI902098A 1988-08-26 1989-08-18 Method and apparatus for inspecting glass sheets FI902098A7 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23721688A 1988-08-26 1988-08-26
PCT/US1989/003566 WO1990002310A1 (en) 1988-08-26 1989-08-18 Apparatus and method for inspecting glass sheets

Publications (2)

Publication Number Publication Date
FI902098A0 true FI902098A0 (en) 1990-04-26
FI902098A7 FI902098A7 (en) 1990-04-26

Family

ID=22892813

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902098A FI902098A7 (en) 1988-08-26 1989-08-18 Method and apparatus for inspecting glass sheets

Country Status (9)

Country Link
EP (1) EP0388454A4 (en)
JP (1) JPH03501058A (en)
KR (1) KR900702325A (en)
AU (1) AU607868B2 (en)
BR (1) BR8907064A (en)
ES (1) ES2014888A6 (en)
FI (1) FI902098A7 (en)
WO (1) WO1990002310A1 (en)
ZA (1) ZA896509B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568258A (en) * 1992-08-25 1996-10-22 Asahi Glass Company Ltd. Method and device for measuring distortion of a transmitting beam or a surface shape of a three-dimensional object
US6661506B2 (en) * 2000-08-24 2003-12-09 Og Technologies, Inc. Engine bearing inspection system
FR2846096B1 (en) * 2002-10-16 2005-02-11 DEVICE FOR DETECTING, ANALYZING AND LOCATING DEFECTS PRESENTED ON TRANSPARENT AND / OR REFLECTIVE SURFACE
FI118273B (en) * 2004-07-14 2007-09-14 Tamglass Ltd Oy Method for measuring the bending resistance of the glass sheet
US20080118159A1 (en) * 2006-11-21 2008-05-22 Robert Wendell Sharps Gauge to measure distortion in glass sheet
CN108195848A (en) * 2018-01-16 2018-06-22 深圳精创视觉科技有限公司 The full-scale warpage flatness detecting device of glass and detection method
CN115451794B (en) * 2022-09-17 2025-05-09 浙江腾宇建设有限公司 A construction engineering flatness detection device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736065A (en) * 1972-05-09 1973-05-29 Philco Ford Corp Radiation sensitive means for detecting optical flaws in glass
US4158507A (en) * 1977-07-27 1979-06-19 Recognition Equipment Incorporated Laser measuring system for inspection
US4255055A (en) * 1979-05-11 1981-03-10 Libbey-Owens-Ford Company Surface inspection system for detecting flatness of planar sheet materials
JPS5852504A (en) * 1981-09-24 1983-03-28 Nippon Sheet Glass Co Ltd Perspective distortion inspecting method of transparent plate
US4585343A (en) * 1983-11-04 1986-04-29 Libbey-Owens-Ford Company Apparatus and method for inspecting glass
EP0233970B1 (en) * 1986-02-22 1990-06-20 Helmut K. Pinsch GmbH & Co. Apparatus for testing timber
US4837449A (en) * 1988-05-16 1989-06-06 Maltby Jr Robert E Inspecting for matching of paired sheets of transparent material

Also Published As

Publication number Publication date
BR8907064A (en) 1991-01-02
EP0388454A4 (en) 1993-05-12
ES2014888A6 (en) 1990-07-16
WO1990002310A1 (en) 1990-03-08
EP0388454A1 (en) 1990-09-26
KR900702325A (en) 1990-12-06
ZA896509B (en) 1990-05-30
AU607868B2 (en) 1991-03-14
FI902098A7 (en) 1990-04-26
JPH03501058A (en) 1991-03-07
AU4207789A (en) 1990-03-23

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Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: LIBBEY-OWENS FORD CO.