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FI902098A7 - Menetelmä ja laite lasilevyjen tarkastamiseksi - Google Patents

Menetelmä ja laite lasilevyjen tarkastamiseksi Download PDF

Info

Publication number
FI902098A7
FI902098A7 FI902098A FI902098A FI902098A7 FI 902098 A7 FI902098 A7 FI 902098A7 FI 902098 A FI902098 A FI 902098A FI 902098 A FI902098 A FI 902098A FI 902098 A7 FI902098 A7 FI 902098A7
Authority
FI
Finland
Prior art keywords
glass sheets
inspecting glass
inspecting
sheets
glass
Prior art date
Application number
FI902098A
Other languages
English (en)
Swedish (sv)
Other versions
FI902098A0 (fi
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 FI902098A7 publication Critical patent/FI902098A7/fi
Publication of FI902098A0 publication Critical patent/FI902098A0/fi

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 Foerfarande och anordning foer inspektion av glasskivor. FI902098A0 (fi)

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
FI902098A7 true FI902098A7 (fi) 1990-04-26
FI902098A0 FI902098A0 (fi) 1990-04-26

Family

ID=22892813

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902098A FI902098A0 (fi) 1988-08-26 1989-08-18 Foerfarande och anordning foer inspektion av glasskivor.

Country Status (9)

Country Link
EP (1) EP0388454A4 (fi)
JP (1) JPH03501058A (fi)
KR (1) KR900702325A (fi)
AU (1) AU607868B2 (fi)
BR (1) BR8907064A (fi)
ES (1) ES2014888A6 (fi)
FI (1) FI902098A0 (fi)
WO (1) WO1990002310A1 (fi)
ZA (1) ZA896509B (fi)

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 (fr) * 2002-10-16 2005-02-11 Dispositif pour la detection, l'analyse et la localisation de defauts presents sur une surface transparente et/ou reflechissante
FI118273B (fi) * 2004-07-14 2007-09-14 Tamglass Ltd Oy Menetelmä lasilevyn taivutuspussikkuuden mittaamiseksi
US20080118159A1 (en) * 2006-11-21 2008-05-22 Robert Wendell Sharps Gauge to measure distortion in glass sheet
CN108195848A (zh) * 2018-01-16 2018-06-22 深圳精创视觉科技有限公司 玻璃全尺寸翘曲平整度检测装置及检测方法
CN115451794B (zh) * 2022-09-17 2025-05-09 浙江腾宇建设有限公司 一种建筑工程平面度检测装置

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 (ja) * 1981-09-24 1983-03-28 Nippon Sheet Glass Co Ltd 透明板の透視歪検査方法
US4585343A (en) * 1983-11-04 1986-04-29 Libbey-Owens-Ford Company Apparatus and method for inspecting glass
DE3672163D1 (de) * 1986-02-22 1990-07-26 Pinsch Gmbh & Co Helmut K Schnittholz-pruefvorrichtung.
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
EP0388454A1 (en) 1990-09-26
AU607868B2 (en) 1991-03-14
ZA896509B (en) 1990-05-30
EP0388454A4 (en) 1993-05-12
JPH03501058A (ja) 1991-03-07
BR8907064A (pt) 1991-01-02
ES2014888A6 (es) 1990-07-16
WO1990002310A1 (en) 1990-03-08
KR900702325A (ko) 1990-12-06
FI902098A0 (fi) 1990-04-26
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.