FR2308908A1 - Procede pour la detection et la mesure des defauts de planeite des toles - Google Patents

Procede pour la detection et la mesure des defauts de planeite des toles

Info

Publication number
FR2308908A1
FR2308908A1 FR7512926A FR7512926A FR2308908A1 FR 2308908 A1 FR2308908 A1 FR 2308908A1 FR 7512926 A FR7512926 A FR 7512926A FR 7512926 A FR7512926 A FR 7512926A FR 2308908 A1 FR2308908 A1 FR 2308908A1
Authority
FR
France
Prior art keywords
sheets
hot rolled
light spots
measurement
optical system
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
FR7512926A
Other languages
English (en)
French (fr)
Other versions
FR2308908B1 (US07655688-20100202-C00109.png
Inventor
Gerard Touscher
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR7512926A priority Critical patent/FR2308908A1/fr
Publication of FR2308908A1 publication Critical patent/FR2308908A1/fr
Application granted granted Critical
Publication of FR2308908B1 publication Critical patent/FR2308908B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7512926A 1975-04-25 1975-04-25 Procede pour la detection et la mesure des defauts de planeite des toles Granted FR2308908A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7512926A FR2308908A1 (fr) 1975-04-25 1975-04-25 Procede pour la detection et la mesure des defauts de planeite des toles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7512926A FR2308908A1 (fr) 1975-04-25 1975-04-25 Procede pour la detection et la mesure des defauts de planeite des toles

Publications (2)

Publication Number Publication Date
FR2308908A1 true FR2308908A1 (fr) 1976-11-19
FR2308908B1 FR2308908B1 (US07655688-20100202-C00109.png) 1977-11-10

Family

ID=9154473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512926A Granted FR2308908A1 (fr) 1975-04-25 1975-04-25 Procede pour la detection et la mesure des defauts de planeite des toles

Country Status (1)

Country Link
FR (1) FR2308908A1 (US07655688-20100202-C00109.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1383320A (en) * 1971-08-19 1974-02-12 British Iron Steel Research Measurement of the shape of strip material
FR2214107A1 (US07655688-20100202-C00109.png) * 1973-01-15 1974-08-09 Autech Corp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1383320A (en) * 1971-08-19 1974-02-12 British Iron Steel Research Measurement of the shape of strip material
FR2214107A1 (US07655688-20100202-C00109.png) * 1973-01-15 1974-08-09 Autech Corp

Also Published As

Publication number Publication date
FR2308908B1 (US07655688-20100202-C00109.png) 1977-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse