IT1175776B - Apparecchiatura per la misurazione automatica di tensioni in un corpo trasparente mediante luce diffusa - Google Patents

Apparecchiatura per la misurazione automatica di tensioni in un corpo trasparente mediante luce diffusa

Info

Publication number
IT1175776B
IT1175776B IT19582/84A IT1958284A IT1175776B IT 1175776 B IT1175776 B IT 1175776B IT 19582/84 A IT19582/84 A IT 19582/84A IT 1958284 A IT1958284 A IT 1958284A IT 1175776 B IT1175776 B IT 1175776B
Authority
IT
Italy
Prior art keywords
scattered light
glass sheet
sec
camera
under test
Prior art date
Application number
IT19582/84A
Other languages
English (en)
Other versions
IT8419582A0 (it
Inventor
Massimo Cestaro
Ciro Paudice
Original Assignee
Siv Soc Italiana Vetro
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 Siv Soc Italiana Vetro filed Critical Siv Soc Italiana Vetro
Priority to IT19582/84A priority Critical patent/IT1175776B/it
Publication of IT8419582A0 publication Critical patent/IT8419582A0/it
Priority to EP85101007A priority patent/EP0152834B1/en
Priority to AT85101007T priority patent/ATE36757T1/de
Priority to DE8585101007T priority patent/DE3564617D1/de
Priority to US06/698,598 priority patent/US4655589A/en
Priority to ES540316A priority patent/ES540316A0/es
Application granted granted Critical
Publication of IT1175776B publication Critical patent/IT1175776B/it

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

Priority Applications (6)

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
EP85101007A EP0152834B1 (en) 1984-02-13 1985-01-31 Apparatus for automatic measurement of stress in a transparent body by means of scattered light
AT85101007T ATE36757T1 (de) 1984-02-13 1985-01-31 Apparat zur automatischen messung der spannungen in einem durchsichtigen koerper anhand von gestreutem licht.
DE8585101007T DE3564617D1 (en) 1984-02-13 1985-01-31 Apparatus for automatic measurement of stress in a transparent body by means of scattered light
US06/698,598 US4655589A (en) 1984-02-13 1985-02-05 Apparatus for automatic measurement of stress in a transparent body by means of scattered light
ES540316A ES540316A0 (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

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
IT8419582A0 IT8419582A0 (it) 1984-02-13
IT1175776B true IT1175776B (it) 1987-07-15

Family

ID=11159224

Family Applications (1)

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

Country Status (6)

Country Link
US (1) US4655589A (it)
EP (1) EP0152834B1 (it)
AT (1) ATE36757T1 (it)
DE (1) DE3564617D1 (it)
ES (1) ES540316A0 (it)
IT (1) IT1175776B (it)

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DD276734A1 (de) * 1988-11-02 1990-03-07 Zeiss Jena Veb Carl Verfahren zur gangunterschiedsmessung an anisotropen transparenten objekten
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
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
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
WO2013160105A1 (de) * 2012-04-23 2013-10-31 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
CN106471408B (zh) 2014-04-23 2019-10-18 康宁股份有限公司 提高应力的棱镜耦合测量中的对比度的方法
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
CN111801557B (zh) * 2018-02-26 2022-03-01 Ａｇｃ株式会社 强化玻璃的评价装置、强化玻璃的评价方法、强化玻璃的制造方法及强化玻璃
EP3874256A1 (en) 2018-10-31 2021-09-08 Corning Incorporated Characterization of optical retardance of a glass-based sample using light-scattering polarimetry
KR20210141571A (ko) 2019-03-22 2021-11-23 코닝 인코포레이티드 화학적으로 강화된 투명 기판의 응력을 특성화하는 하이브리드 시스템 및 방법
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
WO2022178341A1 (en) 2021-02-22 2022-08-25 Corning Incorporated Enhanced hybrid systems and methods for characterizing stress in chemically strengthened transparent substrates

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* 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
EP0152834A1 (en) 1985-08-28
ES8602557A1 (es) 1985-12-01
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

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