ES8602557A1 - Aparato para la medida simultanea y directa,mediante luces difusas,del signo y de la amplitud de una tension a traves de una lamina de vidrio templada - Google Patents

Aparato para la medida simultanea y directa,mediante luces difusas,del signo y de la amplitud de una tension a traves de una lamina de vidrio templada

Info

Publication number
ES8602557A1
ES8602557A1 ES540316A ES540316A ES8602557A1 ES 8602557 A1 ES8602557 A1 ES 8602557A1 ES 540316 A ES540316 A ES 540316A ES 540316 A ES540316 A ES 540316A ES 8602557 A1 ES8602557 A1 ES 8602557A1
Authority
ES
Spain
Prior art keywords
stress
scattered light
transparent body
automatic measurement
glass plate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES540316A
Other languages
English (en)
Other versions
ES540316A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societa Italiana Vetro SIV SpA
Original Assignee
Societa Italiana Vetro SIV SpA
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 Societa Italiana Vetro SIV SpA filed Critical Societa Italiana Vetro SIV SpA
Publication of ES540316A0 publication Critical patent/ES540316A0/es
Publication of ES8602557A1 publication Critical patent/ES8602557A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/241—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet by photoelastic stress analysis

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Tents Or Canopies (AREA)

Abstract

UN APARATO PARA LA MEDICION SIMULTANEA Y DIRECTA, MEDIANTE LUZ DIFUSA DE SIGNO Y DE LA AMPLITUD DE LA TENSION PRESENTE EN EL ESPESOR DE UNA PLACA DE VIDRIO TEMPLADA. COMPRENDE UNA FUENTE DE LASER (1) DE HELIO-NEON HE-NE), PREFERIBLEMENTE DE UNA POTENCIA DE 1 A 5 MW, CUYO HAZ LUMINOSO ES LINEALMENTE POLARIZADO Y LUEGO ES MODULADO CON UNA SERIE DE LAMINAS DE RETARDO (2, 2, 2) Y QUE A TRAVES DE UN COLIMADOR (3), INCIDE SUCESIVAMENTE SOBRE UN PRISMA (4) OPTICAMENTE ACOPLADO CON LA PLACA DE VIDRIO (V) QUE SE VA A EXAMINAR.
ES540316A 1984-02-13 1985-02-12 Aparato para la medida simultanea y directa,mediante luces difusas,del signo y de la amplitud de una tension a traves de una lamina de vidrio templada Expired ES8602557A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19582/84A IT1175776B (it) 1984-02-13 1984-02-13 Apparecchiatura per la misurazione automatica di tensioni in un corpo trasparente mediante luce diffusa

Publications (2)

Publication Number Publication Date
ES540316A0 ES540316A0 (es) 1985-12-01
ES8602557A1 true ES8602557A1 (es) 1985-12-01

Family

ID=11159224

Family Applications (1)

Application Number Title Priority Date Filing Date
ES540316A Expired ES8602557A1 (es) 1984-02-13 1985-02-12 Aparato para la medida simultanea y directa,mediante luces difusas,del signo y de la amplitud de una tension a traves de una lamina de vidrio templada

Country Status (6)

Country Link
US (1) US4655589A (es)
EP (1) EP0152834B1 (es)
AT (1) ATE36757T1 (es)
DE (1) DE3564617D1 (es)
ES (1) ES8602557A1 (es)
IT (1) IT1175776B (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD276734A1 (de) * 1988-11-02 1990-03-07 Zeiss Jena Veb Carl Verfahren zur gangunterschiedsmessung an anisotropen transparenten objekten
US5394752A (en) * 1993-03-16 1995-03-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for determing shear direction using liquid crystal coatings
US5438879A (en) * 1993-03-16 1995-08-08 The United States Of America Represented By The Administrator Of The National Aeronautics And Space Administration Method for measuring surface shear stress magnitude and direction using liquid crystal coatings
US5525138A (en) * 1994-05-26 1996-06-11 Ford Motor Company Determination of tensile membrane stress and compressive layer thickness in tempered glass using a CO2 laser beam
US5956146A (en) * 1997-01-29 1999-09-21 Victor Company Of Japan, Ltd. Birefringence measuring apparatus for optical disc substrate
DE19720330C1 (de) * 1997-05-15 1998-11-12 Sekurit Saint Gobain Deutsch Verfahren und Vorrichtung zur Messung von Spannungen in Glasscheiben mit Hilfe des Streulichtverfahrens
DE10161914C1 (de) * 2001-12-07 2003-09-18 Schott Glas Verfahren zum zerstörungsfreien Erfassen des Spannungszustandes in einem Glaskörper und Vorrichtung zum Durchführen des Verfahrens
US7236241B2 (en) * 2005-03-30 2007-06-26 Osram Sylvania Inc. Method of making a standard tool for calibrating stress analysis measuring devices and a set of the standard tools
US7583368B1 (en) * 2006-04-05 2009-09-01 Electronic Design To Market, Inc. Method of enhancing measurement of stress in glass
BE1019378A3 (fr) * 2010-06-17 2012-06-05 Agc Glass Europe Analyse des marques de trempe.
CN201867273U (zh) 2010-11-17 2011-06-15 江苏淘镜有限公司 一种检验偏光镜片的检验箱
CN102062656A (zh) * 2010-12-31 2011-05-18 肖天长 玻璃表面应力测试仪
EP2841932A1 (de) * 2012-04-23 2015-03-04 Saint-Gobain Glass France Verfahren und anordnung zur messung von blasstrukturen einer vorgespannten scheibe
US8957374B2 (en) 2012-09-28 2015-02-17 Corning Incorporated Systems and methods for measuring birefringence in glass and glass-ceramics
US9109881B2 (en) 2013-06-17 2015-08-18 Corning Incorporated Prism coupling methods with improved mode spectrum contrast for double ion-exchanged glass
US10156488B2 (en) * 2013-08-29 2018-12-18 Corning Incorporated Prism-coupling systems and methods for characterizing curved parts
CN103487181A (zh) * 2013-10-18 2014-01-01 苏州精创光学仪器有限公司 便携式玻璃表面应力计
US9983064B2 (en) 2013-10-30 2018-05-29 Corning Incorporated Apparatus and methods for measuring mode spectra for ion-exchanged glasses having steep index region
CN103644990A (zh) * 2013-12-13 2014-03-19 苏州精创光学仪器有限公司 紧凑型玻璃表面应力测量仪
WO2015164243A1 (en) 2014-04-23 2015-10-29 Corning Incorporated Method of enhancing contrast in prism coupling measurements of stress
US9261429B2 (en) * 2014-05-21 2016-02-16 Corning Incorporated Prism-coupling systems and methods for characterizing large depth-of-layer waveguides
US9919958B2 (en) 2014-07-17 2018-03-20 Corning Incorporated Glass sheet and system and method for making glass sheet
US9534981B2 (en) 2014-12-23 2017-01-03 Corning Incorporated Prism-coupling systems and methods for characterizing ion-exchanged waveguides with large depth-of-layer
JP6830606B2 (ja) 2016-09-26 2021-02-17 有限会社折原製作所 強化ガラスの応力測定装置、強化ガラスの応力測定方法、強化ガラスの製造方法
WO2019163989A1 (ja) * 2018-02-26 2019-08-29 Ａｇｃ株式会社 強化ガラスの評価装置、強化ガラスの評価方法、強化ガラスの製造方法、強化ガラス
KR20210084538A (ko) * 2018-10-31 2021-07-07 코닝 인코포레이티드 광 산란 편광계를 사용한 유리 기반 샘플의 광학 지연의 특성화
US11105612B2 (en) 2019-03-22 2021-08-31 Corning Incorporated Hybrid systems and methods for characterizing stress in chemically strengthened transparent substrates
CN110836740A (zh) * 2019-11-05 2020-02-25 南京理工大学 一种玻璃材料应力的在线实时测量系统及其测量方法
US11852549B2 (en) 2021-02-22 2023-12-26 Corning Incorporated Enhanced hybrid systems and methods for characterizing stress in chemically strengthened transparent substrates

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1308015A (fr) * 1961-09-20 1962-11-03 Saint Gobain Procédé et dispositifs pour l'examen des contraintes dans des pièces en matière transparente, en verre par exemple
US3811775A (en) * 1972-06-21 1974-05-21 Asg Ind Inc Polariscope for determining stress in a transparent material
FR2348482A1 (fr) * 1976-04-14 1977-11-10 Tech Ind Mecaniquesi Fr Centre Procede et dispositif de photoelasticimetrie

Also Published As

Publication number Publication date
US4655589A (en) 1987-04-07
IT1175776B (it) 1987-07-15
ES540316A0 (es) 1985-12-01
IT8419582A0 (it) 1984-02-13
DE3564617D1 (en) 1988-09-29
ATE36757T1 (de) 1988-09-15
EP0152834B1 (en) 1988-08-24
EP0152834A1 (en) 1985-08-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001