FR2189732A1 - - Google Patents
Info
- Publication number
- FR2189732A1 FR2189732A1 FR7322505A FR7322505A FR2189732A1 FR 2189732 A1 FR2189732 A1 FR 2189732A1 FR 7322505 A FR7322505 A FR 7322505A FR 7322505 A FR7322505 A FR 7322505A FR 2189732 A1 FR2189732 A1 FR 2189732A1
- Authority
- FR
- France
- 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.)
- Granted
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)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2189732A1 true FR2189732A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-01-25 |
| FR2189732B3 FR2189732B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-06-18 |
Family
ID=23007777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7322505A Expired FR2189732B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-21 | 1973-06-20 |
Country Status (4)
Families Citing this family (17)
| 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)
| 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 |
-
1972
- 1972-06-21 US US00264827A patent/US3811775A/en not_active Expired - Lifetime
-
1973
- 1973-06-11 GB GB2760673A patent/GB1400097A/en not_active Expired
- 1973-06-20 ES ES416112A patent/ES416112A1/es not_active Expired
- 1973-06-20 FR FR7322505A patent/FR2189732B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES416112A1 (es) | 1976-02-16 |
| FR2189732B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-06-18 |
| GB1400097A (en) | 1975-07-16 |
| US3811775A (en) | 1974-05-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |