ES8500444A1 - Dispositivo para el control no destructivo del estado de tensiones de una lamina de vidrio atemperada termicamente - Google Patents

Dispositivo para el control no destructivo del estado de tensiones de una lamina de vidrio atemperada termicamente

Info

Publication number
ES8500444A1
ES8500444A1 ES525755A ES525755A ES8500444A1 ES 8500444 A1 ES8500444 A1 ES 8500444A1 ES 525755 A ES525755 A ES 525755A ES 525755 A ES525755 A ES 525755A ES 8500444 A1 ES8500444 A1 ES 8500444A1
Authority
ES
Spain
Prior art keywords
plate glass
internal stress
stress state
destructive testing
tempered 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
ES525755A
Other languages
English (en)
Other versions
ES525755A0 (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 ES525755A0 publication Critical patent/ES525755A0/es
Publication of ES8500444A1 publication Critical patent/ES8500444A1/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

DISPOSITIVO PARA LA MEDICION DE LAS TENSIONES MECANICAS QUE LLEGAN A ESTABLECERSE EN EL INTERIOR DE UN MEDIO TRANSPARENTE, Y EN PARTICULAR EN EL INTERIOR DEL VIDRIO TERMICAMENTE ATEMPERADO O TEMPLADO.CONSTA DE UNA FUENTE DE RADIACION INFRARROJA MONOCROMATICA (S) QUE EMITE UNA RADIACION A LO LARGO DE UN EJE OPTICO; DE UNA LENTE (L1) QUE CONCENTRA LA RADIACION INCIDENTE Y LA HACE INCIDIR EN UN PUNTO (F) DE LA LAMINA DE VIDRIO (V); DE UN POLARIZADOR INFRARROJO (P1); Y DE UNA SEGUNDA LENTE (L2) QUE HACE CONVERGER LOS RAYOS POLARIZADOS EN UN DETECTOR (R) DE RAYOS INFRARROJOS.
ES525755A 1982-09-21 1983-09-20 Dispositivo para el control no destructivo del estado de tensiones de una lamina de vidrio atemperada termicamente Expired ES8500444A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT49143/82A IT1149352B (it) 1982-09-21 1982-09-21 Dispositivo per il controllo non distruttivo dello stato tensionale di lastre di vetro temperate termicamente

Publications (2)

Publication Number Publication Date
ES525755A0 ES525755A0 (es) 1984-10-01
ES8500444A1 true ES8500444A1 (es) 1984-10-01

Family

ID=11269768

Family Applications (1)

Application Number Title Priority Date Filing Date
ES525755A Expired ES8500444A1 (es) 1982-09-21 1983-09-20 Dispositivo para el control no destructivo del estado de tensiones de una lamina de vidrio atemperada termicamente

Country Status (5)

Country Link
US (1) US4584476A (es)
EP (1) EP0104151B1 (es)
DE (1) DE3368125D1 (es)
ES (1) ES8500444A1 (es)
IT (1) IT1149352B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543632A1 (de) * 1985-12-11 1987-06-19 Hoechst Ag Verfahren und vorrichtung zur bestimmung von dicken- und/oder orientierungsaenderungen innerhalb einer optisch aktiven materialbahn
CN1087424A (zh) * 1992-09-29 1994-06-01 昆士兰大学 检测的玻璃中缺陷
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
US5929993A (en) * 1998-03-03 1999-07-27 J.A. Woollam Co. Inc. Total film retardance monitoring system, and method of use
US7705995B1 (en) 2004-12-20 2010-04-27 J.A. Woollam Co., Inc. Method of determining substrate etch depth

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1681991A (en) * 1926-11-20 1928-08-28 Corning Glass Works Method of detecting and measuring strains
GB830313A (en) * 1958-02-18 1960-03-16 Zeiss Jena Veb Carl Improvements in instruments for visualizing mechanical strain in opaque workpieces capable of transmitting infra-red light
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
US3589812A (en) * 1968-08-29 1971-06-29 France Armed Forces Processes and devices for measuring stresses within a transparent body for electromagnetic waves
US3818339A (en) * 1972-08-14 1974-06-18 Burroughs Corp Amplitude comparison circuit
JPS55104743A (en) * 1979-02-06 1980-08-11 Fujitsu Ltd Method for inspecting substrate

Also Published As

Publication number Publication date
EP0104151B1 (en) 1986-12-03
DE3368125D1 (en) 1987-01-15
EP0104151A2 (en) 1984-03-28
IT8249143A0 (it) 1982-09-21
US4584476A (en) 1986-04-22
EP0104151A3 (en) 1984-10-03
IT1149352B (it) 1986-12-03
ES525755A0 (es) 1984-10-01

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