FR2324000A1 - Procede pour la detection des defauts de surface des profiles et des demi-produits - Google Patents

Procede pour la detection des defauts de surface des profiles et des demi-produits

Info

Publication number
FR2324000A1
FR2324000A1 FR7627635A FR7627635A FR2324000A1 FR 2324000 A1 FR2324000 A1 FR 2324000A1 FR 7627635 A FR7627635 A FR 7627635A FR 7627635 A FR7627635 A FR 7627635A FR 2324000 A1 FR2324000 A1 FR 2324000A1
Authority
FR
France
Prior art keywords
sections
variations
photoelectric devices
detecting faults
rolled
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
FR7627635A
Other languages
English (en)
French (fr)
Other versions
FR2324000B3 (OSRAM
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of FR2324000A1 publication Critical patent/FR2324000A1/fr
Application granted granted Critical
Publication of FR2324000B3 publication Critical patent/FR2324000B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/72—Investigating presence of flaws

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FR7627635A 1975-09-09 1976-09-09 Procede pour la detection des defauts de surface des profiles et des demi-produits Granted FR2324000A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE833244 1975-09-09

Publications (2)

Publication Number Publication Date
FR2324000A1 true FR2324000A1 (fr) 1977-04-08
FR2324000B3 FR2324000B3 (OSRAM) 1980-06-13

Family

ID=3861262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627635A Granted FR2324000A1 (fr) 1975-09-09 1976-09-09 Procede pour la detection des defauts de surface des profiles et des demi-produits

Country Status (2)

Country Link
FR (1) FR2324000A1 (OSRAM)
LU (1) LU75751A1 (OSRAM)

Also Published As

Publication number Publication date
LU75751A1 (OSRAM) 1977-04-28
FR2324000B3 (OSRAM) 1980-06-13

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