GB1231641A - - Google Patents

Info

Publication number
GB1231641A
GB1231641A GB1231641DA GB1231641A GB 1231641 A GB1231641 A GB 1231641A GB 1231641D A GB1231641D A GB 1231641DA GB 1231641 A GB1231641 A GB 1231641A
Authority
GB
United Kingdom
Prior art keywords
sleeves
flaw detector
detector
oersted
eddy
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1231641A publication Critical patent/GB1231641A/en
Expired legal-status Critical Current

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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

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)
GB1231641D 1968-02-13 1968-02-13 Expired GB1231641A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB704568 1968-02-13

Publications (1)

Publication Number Publication Date
GB1231641A true GB1231641A (enrdf_load_stackoverflow) 1971-05-12

Family

ID=9825584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1231641D Expired GB1231641A (enrdf_load_stackoverflow) 1968-02-13 1968-02-13

Country Status (1)

Country Link
GB (1) GB1231641A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952315A (en) * 1973-10-15 1976-04-20 Atomic Energy Of Canada Limited Eddy current discontinuity probe utilizing a permanent magnet bobbin with at least one A.C. energized coil mounted in a groove thereon
GB2157439A (en) * 1984-04-11 1985-10-23 Pa Inc Method and apparatus for measuring defects in ferromagnetic tubing
GB2204699A (en) * 1987-05-06 1988-11-16 Ca Atomic Energy Ltd Ferromagnetic eddy current probe
GB2262346A (en) * 1991-12-13 1993-06-16 Nippon Kokan Kk Detecting defects in steel material

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952315A (en) * 1973-10-15 1976-04-20 Atomic Energy Of Canada Limited Eddy current discontinuity probe utilizing a permanent magnet bobbin with at least one A.C. energized coil mounted in a groove thereon
GB2157439A (en) * 1984-04-11 1985-10-23 Pa Inc Method and apparatus for measuring defects in ferromagnetic tubing
GB2204699A (en) * 1987-05-06 1988-11-16 Ca Atomic Energy Ltd Ferromagnetic eddy current probe
GB2204699B (en) * 1987-05-06 1991-06-26 Ca Atomic Energy Ltd Ferromagnetic eddy current probe
GB2262346A (en) * 1991-12-13 1993-06-16 Nippon Kokan Kk Detecting defects in steel material
GB2262346B (en) * 1991-12-13 1995-05-31 Nippon Kokan Kk Method and apparatus for detecting defects of a steel material

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees