FR2333236A1 - PROCESS FOR THE CONTROL OF INTERNAL TENSIONS IN A PLASTIC MATERIAL FILM AND DEVICE FOR ITS REALIZATION - Google Patents

PROCESS FOR THE CONTROL OF INTERNAL TENSIONS IN A PLASTIC MATERIAL FILM AND DEVICE FOR ITS REALIZATION

Info

Publication number
FR2333236A1
FR2333236A1 FR7536658A FR7536658A FR2333236A1 FR 2333236 A1 FR2333236 A1 FR 2333236A1 FR 7536658 A FR7536658 A FR 7536658A FR 7536658 A FR7536658 A FR 7536658A FR 2333236 A1 FR2333236 A1 FR 2333236A1
Authority
FR
France
Prior art keywords
realization
control
plastic material
material film
internal tensions
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.)
Granted
Application number
FR7536658A
Other languages
French (fr)
Other versions
FR2333236B1 (en
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.)
Solvay SA
Original Assignee
Solvay 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 Solvay SA filed Critical Solvay SA
Priority to FR7536658A priority Critical patent/FR2333236A1/en
Priority to BE848625A priority patent/BE848625A/en
Priority to GB4940876A priority patent/GB1530710A/en
Priority to DE19762653839 priority patent/DE2653839A1/en
Publication of FR2333236A1 publication Critical patent/FR2333236A1/en
Application granted granted Critical
Publication of FR2333236B1 publication Critical patent/FR2333236B1/fr
Granted 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
    • G01N21/23—Bi-refringence
FR7536658A 1975-11-27 1975-11-27 PROCESS FOR THE CONTROL OF INTERNAL TENSIONS IN A PLASTIC MATERIAL FILM AND DEVICE FOR ITS REALIZATION Granted FR2333236A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7536658A FR2333236A1 (en) 1975-11-27 1975-11-27 PROCESS FOR THE CONTROL OF INTERNAL TENSIONS IN A PLASTIC MATERIAL FILM AND DEVICE FOR ITS REALIZATION
BE848625A BE848625A (en) 1975-11-27 1976-11-23 Method for controlling internal tensions in a plastic film and device for its realization
GB4940876A GB1530710A (en) 1975-11-27 1976-11-26 Method and device for monitoring internal tensions in a film
DE19762653839 DE2653839A1 (en) 1975-11-27 1976-11-26 METHOD AND DEVICE FOR CONTROL OF INTERNAL TENSIONS IN A PLASTIC FILM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7536658A FR2333236A1 (en) 1975-11-27 1975-11-27 PROCESS FOR THE CONTROL OF INTERNAL TENSIONS IN A PLASTIC MATERIAL FILM AND DEVICE FOR ITS REALIZATION

Publications (2)

Publication Number Publication Date
FR2333236A1 true FR2333236A1 (en) 1977-06-24
FR2333236B1 FR2333236B1 (en) 1978-04-14

Family

ID=9163120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536658A Granted FR2333236A1 (en) 1975-11-27 1975-11-27 PROCESS FOR THE CONTROL OF INTERNAL TENSIONS IN A PLASTIC MATERIAL FILM AND DEVICE FOR ITS REALIZATION

Country Status (4)

Country Link
BE (1) BE848625A (en)
DE (1) DE2653839A1 (en)
FR (1) FR2333236A1 (en)
GB (1) GB1530710A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2563337A1 (en) * 1984-04-19 1985-10-25 Saint Gobain Rech MEASURING THE CONSTRAINTS IN THE FLOAT GLASS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5979244A (en) * 1998-03-04 1999-11-09 Siemens Aktiengesellschaft Method and apparatus for evaluating internal film stress at high lateral resolution
DE102010011864B4 (en) * 2010-03-18 2022-12-22 Brückner Maschinenbau GmbH & Co. KG Process for online determination of mechanical and/or optical properties of a plastic film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4619681A (en) * 1984-04-16 1986-10-28 Saint-Gobain Recherche Method and apparatus for measurement of stress in float glass
FR2563337A1 (en) * 1984-04-19 1985-10-25 Saint Gobain Rech MEASURING THE CONSTRAINTS IN THE FLOAT GLASS

Also Published As

Publication number Publication date
DE2653839A1 (en) 1977-06-08
FR2333236B1 (en) 1978-04-14
GB1530710A (en) 1978-11-01
BE848625A (en) 1977-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse