FR2160609B1 - - Google Patents

Info

Publication number
FR2160609B1
FR2160609B1 FR7240920A FR7240920A FR2160609B1 FR 2160609 B1 FR2160609 B1 FR 2160609B1 FR 7240920 A FR7240920 A FR 7240920A FR 7240920 A FR7240920 A FR 7240920A FR 2160609 B1 FR2160609 B1 FR 2160609B1
Authority
FR
France
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
FR7240920A
Other languages
French (fr)
Other versions
FR2160609A1 (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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of FR2160609A1 publication Critical patent/FR2160609A1/fr
Application granted granted Critical
Publication of FR2160609B1 publication Critical patent/FR2160609B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0037—Measuring of dimensions of welds
    • 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
    • G01N27/904—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 with two or more sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet

Landscapes

  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR7240920A 1971-11-19 1972-11-17 Locating welds in strip - in a continuous strip rolling line Granted FR2160609A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9238971A JPS4855844A (it) 1971-11-19 1971-11-19

Publications (2)

Publication Number Publication Date
FR2160609A1 FR2160609A1 (en) 1973-06-29
FR2160609B1 true FR2160609B1 (it) 1975-03-28

Family

ID=14053051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7240920A Granted FR2160609A1 (en) 1971-11-19 1972-11-17 Locating welds in strip - in a continuous strip rolling line

Country Status (3)

Country Link
JP (1) JPS4855844A (it)
DE (1) DE2256505A1 (it)
FR (1) FR2160609A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2613114A1 (de) * 1976-03-25 1977-10-06 Mannesmann Ag Vorrichtung zum erfassen des stosses zwischen aufeinanderfolgend ein walzwerk durchlaufenden rohren
FR2349374A1 (fr) * 1976-04-29 1977-11-25 British Steel Corp Procede et appareil pour enlever des soudures transversales sur un tube metallique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1255436A (fr) * 1960-01-26 1961-03-10 Siderurgie Fse Inst Rech Perfectionnements aux appareils électro-magnétiques de détection des défauts des produits métalliques
US3359486A (en) * 1963-08-06 1967-12-19 Bethlehem Steel Corp Eddy current seam tracking device utillizing an e-shaped core with electromagnetically unequal pickup coils
JPS424077Y1 (it) * 1965-02-05 1967-03-07
FR1589457A (it) * 1968-07-30 1970-03-31

Also Published As

Publication number Publication date
JPS4855844A (it) 1973-08-06
FR2160609A1 (en) 1973-06-29
DE2256505A1 (de) 1973-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse