FI781482A - APPARATUS AND EQUIPMENT FOR THE PROCESSING OF FERROMAGNETIC ARBETS - Google Patents

APPARATUS AND EQUIPMENT FOR THE PROCESSING OF FERROMAGNETIC ARBETS

Info

Publication number
FI781482A
FI781482A FI781482A FI781482A FI781482A FI 781482 A FI781482 A FI 781482A FI 781482 A FI781482 A FI 781482A FI 781482 A FI781482 A FI 781482A FI 781482 A FI781482 A FI 781482A
Authority
FI
Finland
Prior art keywords
arbets
ferromagnetic
equipment
processing
ferromagnetic arbets
Prior art date
Application number
FI781482A
Other languages
Finnish (fi)
Inventor
Erik Haokan Larsson
Original Assignee
Skf Ind Trading & Dev
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 Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev
Publication of FI781482A publication Critical patent/FI781482A/en

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
    • G01N27/9046—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 by analysing electrical signals
    • 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

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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
FI781482A 1977-05-13 1978-05-10 APPARATUS AND EQUIPMENT FOR THE PROCESSING OF FERROMAGNETIC ARBETS FI781482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7705299A NL7705299A (en) 1977-05-13 1977-05-13 METHOD AND APPARATUS FOR EXAMINING FERROMAGNETIC WORKS

Publications (1)

Publication Number Publication Date
FI781482A true FI781482A (en) 1978-11-14

Family

ID=19828549

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781482A FI781482A (en) 1977-05-13 1978-05-10 APPARATUS AND EQUIPMENT FOR THE PROCESSING OF FERROMAGNETIC ARBETS

Country Status (12)

Country Link
JP (1) JPS53141686A (en)
BR (1) BR7802982A (en)
DD (1) DD135539A5 (en)
DE (1) DE2820559A1 (en)
ES (1) ES469764A1 (en)
FI (1) FI781482A (en)
FR (1) FR2390728A1 (en)
GB (1) GB1604188A (en)
IT (1) IT1112654B (en)
NL (1) NL7705299A (en)
SE (1) SE7805243L (en)
ZA (1) ZA782413B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503393A (en) * 1981-10-05 1985-03-05 Exxon Production Research Co. Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor
US4510447A (en) * 1981-10-26 1985-04-09 Exxon Production Research Co. Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe

Also Published As

Publication number Publication date
NL7705299A (en) 1978-11-15
ZA782413B (en) 1979-04-25
DE2820559A1 (en) 1978-11-23
FR2390728A1 (en) 1978-12-08
BR7802982A (en) 1979-01-02
ES469764A1 (en) 1979-10-01
SE7805243L (en) 1978-11-14
GB1604188A (en) 1981-12-02
IT1112654B (en) 1986-01-20
DD135539A5 (en) 1979-05-09
JPS53141686A (en) 1978-12-09
IT7819761A0 (en) 1978-01-30

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SKF INDUSTRIAL TRADING & DEVELOPMENT