FR2131872A1 - Removing faluts from rolled products and tubes - using electromagenti appts with a precisely localised magnetic field - Google Patents

Removing faluts from rolled products and tubes - using electromagenti appts with a precisely localised magnetic field

Info

Publication number
FR2131872A1
FR2131872A1 FR7111336A FR7111336A FR2131872A1 FR 2131872 A1 FR2131872 A1 FR 2131872A1 FR 7111336 A FR7111336 A FR 7111336A FR 7111336 A FR7111336 A FR 7111336A FR 2131872 A1 FR2131872 A1 FR 2131872A1
Authority
FR
France
Prior art keywords
tubes
faluts
electromagenti
appts
magnetic field
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
FR7111336A
Other languages
English (en)
French (fr)
Other versions
FR2131872B1 (enExample
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.)
ELECTROSTALSKY Z TYAZHELOGO
Original Assignee
ELECTROSTALSKY Z TYAZHELOGO
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 ELECTROSTALSKY Z TYAZHELOGO filed Critical ELECTROSTALSKY Z TYAZHELOGO
Priority to FR7111336A priority Critical patent/FR2131872A1/fr
Publication of FR2131872A1 publication Critical patent/FR2131872A1/fr
Application granted granted Critical
Publication of FR2131872B1 publication Critical patent/FR2131872B1/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9013—Arrangements for scanning
    • G01N27/9026—Arrangements for scanning by moving the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
FR7111336A 1971-03-31 1971-03-31 Removing faluts from rolled products and tubes - using electromagenti appts with a precisely localised magnetic field Granted FR2131872A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7111336A FR2131872A1 (en) 1971-03-31 1971-03-31 Removing faluts from rolled products and tubes - using electromagenti appts with a precisely localised magnetic field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7111336A FR2131872A1 (en) 1971-03-31 1971-03-31 Removing faluts from rolled products and tubes - using electromagenti appts with a precisely localised magnetic field

Publications (2)

Publication Number Publication Date
FR2131872A1 true FR2131872A1 (en) 1972-11-17
FR2131872B1 FR2131872B1 (enExample) 1976-04-02

Family

ID=9074488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7111336A Granted FR2131872A1 (en) 1971-03-31 1971-03-31 Removing faluts from rolled products and tubes - using electromagenti appts with a precisely localised magnetic field

Country Status (1)

Country Link
FR (1) FR2131872A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008074827A1 (en) * 2006-12-21 2008-06-26 Danieli Automation Spa Device for the in-line detection of surface defects in a rolled product in a rolling stand and relative method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008074827A1 (en) * 2006-12-21 2008-06-26 Danieli Automation Spa Device for the in-line detection of surface defects in a rolled product in a rolling stand and relative method
US8330457B2 (en) 2006-12-21 2012-12-11 Danieli Automation Spa Device for the in-line detection of surface defects in a rolled product in a rolling stand and relative method

Also Published As

Publication number Publication date
FR2131872B1 (enExample) 1976-04-02

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Legal Events

Date Code Title Description
ST Notification of lapse