FR1308015A - Method and devices for the examination of stresses in parts made of transparent material, for example glass - Google Patents

Method and devices for the examination of stresses in parts made of transparent material, for example glass

Info

Publication number
FR1308015A
FR1308015A FR873745A FR873745A FR1308015A FR 1308015 A FR1308015 A FR 1308015A FR 873745 A FR873745 A FR 873745A FR 873745 A FR873745 A FR 873745A FR 1308015 A FR1308015 A FR 1308015A
Authority
FR
France
Prior art keywords
stresses
examination
devices
transparent material
parts made
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
FR873745A
Other languages
French (fr)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Priority to FR873745A priority Critical patent/FR1308015A/en
Priority to DE19621473380 priority patent/DE1473380B2/en
Application granted granted Critical
Publication of FR1308015A publication Critical patent/FR1308015A/en
Priority to GB3586162A priority patent/GB1018002A/en
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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR873745A 1961-09-20 1961-09-20 Method and devices for the examination of stresses in parts made of transparent material, for example glass Expired FR1308015A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR873745A FR1308015A (en) 1961-09-20 1961-09-20 Method and devices for the examination of stresses in parts made of transparent material, for example glass
DE19621473380 DE1473380B2 (en) 1961-09-20 1962-09-20 Method and device for examining and / or measuring stresses in a transparent body using the scattered light method
GB3586162A GB1018002A (en) 1961-09-20 1963-09-20 Improved process and apparatus for examining and/or measuring stresses in glass and other transparent materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR873745A FR1308015A (en) 1961-09-20 1961-09-20 Method and devices for the examination of stresses in parts made of transparent material, for example glass

Publications (1)

Publication Number Publication Date
FR1308015A true FR1308015A (en) 1962-11-03

Family

ID=8763195

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873745A Expired FR1308015A (en) 1961-09-20 1961-09-20 Method and devices for the examination of stresses in parts made of transparent material, for example glass

Country Status (3)

Country Link
DE (1) DE1473380B2 (en)
FR (1) FR1308015A (en)
GB (1) GB1018002A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589812A (en) * 1968-08-29 1971-06-29 France Armed Forces Processes and devices for measuring stresses within a transparent body for electromagnetic waves
DE3071243D1 (en) * 1979-07-06 1986-01-02 Toshiba Kk Surface stress measurement
IT1149352B (en) * 1982-09-21 1986-12-03 Siv Soc Italiana Vetro DEVICE FOR NON-DESTRUCTIVE CONTROL OF THE TENSIONAL STATE OF THERMALLY TEMPERED GLASS SHEETS
IT1175776B (en) * 1984-02-13 1987-07-15 Siv Soc Italiana Vetro EQUIPMENT FOR AUTOMATIC MEASUREMENT OF VOLTAGES IN A TRANSPARENT BODY BY DIFFUSED LIGHT
DE19720330C1 (en) * 1997-05-15 1998-11-12 Sekurit Saint Gobain Deutsch Method and device for measuring stresses in glass panes using the scattered light method
US10955311B2 (en) * 2015-11-18 2021-03-23 Corning Incorporated Apparatus and methods to determine stresses in cover glass of handheld devices
CN106441655A (en) * 2016-09-18 2017-02-22 北京杰福科技有限公司 Glass surface stress detecting device
WO2020198016A1 (en) * 2019-03-22 2020-10-01 Corning Incorporated Hybrid systems and methods for characterizing stress in chemically strengthened transparent substrates
CN115385561B (en) * 2022-10-13 2023-11-21 中国洛阳浮法玻璃集团有限责任公司 Method for rapidly solving problem of plate frying in float glass production based on stress

Also Published As

Publication number Publication date
DE1473380A1 (en) 1968-11-21
DE1473380B2 (en) 1970-06-25
GB1018002A (en) 1966-01-26

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