ES416112A1 - Aparato para detectar tensiones en un objeto transparente. - Google Patents

Aparato para detectar tensiones en un objeto transparente.

Info

Publication number
ES416112A1
ES416112A1 ES416112A ES416112A ES416112A1 ES 416112 A1 ES416112 A1 ES 416112A1 ES 416112 A ES416112 A ES 416112A ES 416112 A ES416112 A ES 416112A ES 416112 A1 ES416112 A1 ES 416112A1
Authority
ES
Spain
Prior art keywords
polariscope
transparent object
photocell
transparent material
polychromatic
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
ES416112A
Other languages
English (en)
Spanish (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.)
ASG Industries Inc
Original Assignee
ASG Industries Inc
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 ASG Industries Inc filed Critical ASG Industries Inc
Publication of ES416112A1 publication Critical patent/ES416112A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring 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
    • G01L1/241Measuring 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)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
ES416112A 1972-06-21 1973-06-20 Aparato para detectar tensiones en un objeto transparente. Expired ES416112A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00264827A US3811775A (en) 1972-06-21 1972-06-21 Polariscope for determining stress in a transparent material

Publications (1)

Publication Number Publication Date
ES416112A1 true ES416112A1 (es) 1976-02-16

Family

ID=23007777

Family Applications (1)

Application Number Title Priority Date Filing Date
ES416112A Expired ES416112A1 (es) 1972-06-21 1973-06-20 Aparato para detectar tensiones en un objeto transparente.

Country Status (4)

Country Link
US (1) US3811775A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES416112A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2189732B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1400097A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310242A (en) * 1980-04-01 1982-01-12 The United States Of America As Represented By The Secretary Of The Air Force Field test unit for windscreen optical evaluation
JPS59114445A (ja) * 1982-12-21 1984-07-02 Yamamura Glass Kk 透明体の欠陥検出装置
IT1175776B (it) * 1984-02-13 1987-07-15 Siv Soc Italiana Vetro Apparecchiatura per la misurazione automatica di tensioni in un corpo trasparente mediante luce diffusa
FR2563337B1 (fr) * 1984-04-19 1986-06-27 Saint Gobain Rech Mesure des contraintes dans le verre flotte
GB8706318D0 (en) * 1987-03-17 1987-04-23 Bicc Plc Optical sensor
US5305090A (en) * 1991-12-11 1994-04-19 Gmi Engineering And Management Institute Birefringent inspection polarscope
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
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
US6055053A (en) * 1997-06-02 2000-04-25 Stress Photonics, Inc. Full field photoelastic stress analysis
CN1168971C (zh) * 1998-04-22 2004-09-29 株式会社理光 双折射测定方法及其装置
WO2001042769A1 (en) * 1999-12-09 2001-06-14 Corning Incorporated Automated system for measurement of an optical property
US6317209B1 (en) * 1999-12-09 2001-11-13 Corning Incorporated Automated system for measurement of an optical property
US6765671B2 (en) * 2000-05-16 2004-07-20 Corning Incorporated Automated system for measurement of an optical property
TWI262330B (en) * 2004-03-11 2006-09-21 Optimax Tech Corp Method for polarizing plate classification
EP2261633A1 (en) * 2009-06-10 2010-12-15 Becton Dickinson France Supporting device for a transparent article and method for putting said article under compression
GB201601960D0 (en) * 2016-02-03 2016-03-16 Glaxosmithkline Biolog Sa Novel device
US11965793B2 (en) * 2021-05-18 2024-04-23 Xerox Corporation Stress engineering of transparent materials

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124637A (en) * 1964-03-10 Apparatus for examining prestressed glass
US1874217A (en) * 1930-07-01 1932-08-30 Pittsburgh Plate Glass Co Glass inspection apparatus
US3082664A (en) * 1956-09-06 1963-03-26 Saint Gobain Apparatus for the optical determination of stresses
US2992589A (en) * 1958-02-18 1961-07-18 Cepac Inc Optical stress meter
US3158675A (en) * 1959-11-10 1964-11-24 Jones & Laughlin Steel Corp Apparatus for measuring the thickness of thin transparent films
US3446977A (en) * 1965-12-27 1969-05-27 Ppg Industries Inc Stress inspection apparatus for transparent sheet material
US3656854A (en) * 1969-06-11 1972-04-18 Ppg Industries Inc Glass defect detection system

Also Published As

Publication number Publication date
FR2189732B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-06-18
FR2189732A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-25
GB1400097A (en) 1975-07-16
US3811775A (en) 1974-05-21

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