DE2935887C2 - - Google Patents

Info

Publication number
DE2935887C2
DE2935887C2 DE2935887A DE2935887A DE2935887C2 DE 2935887 C2 DE2935887 C2 DE 2935887C2 DE 2935887 A DE2935887 A DE 2935887A DE 2935887 A DE2935887 A DE 2935887A DE 2935887 C2 DE2935887 C2 DE 2935887C2
Authority
DE
Germany
Prior art keywords
coil
band
strip
plane
coils
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 - Fee Related
Application number
DE2935887A
Other languages
German (de)
English (en)
Other versions
DE2935887A1 (de
Inventor
Philip Newport Gwent Wales Gb Beckley
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.)
British Steel PLC
Original Assignee
British Steel PLC
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 British Steel PLC filed Critical British Steel PLC
Publication of DE2935887A1 publication Critical patent/DE2935887A1/de
Application granted granted Critical
Publication of DE2935887C2 publication Critical patent/DE2935887C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/1223—Measuring permeability, i.e. permeameters

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • General Induction Heating (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
DE19792935887 1978-09-08 1979-09-05 Vorrichtung zur magnetischen pruefung von stahlblechen oder stahlbaendern Granted DE2935887A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7836146 1978-09-08

Publications (2)

Publication Number Publication Date
DE2935887A1 DE2935887A1 (de) 1980-03-20
DE2935887C2 true DE2935887C2 ( ) 1992-03-26

Family

ID=10499542

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792935887 Granted DE2935887A1 (de) 1978-09-08 1979-09-05 Vorrichtung zur magnetischen pruefung von stahlblechen oder stahlbaendern

Country Status (11)

Country Link
US (1) US4331919A ( )
JP (1) JPS5555271A ( )
AU (1) AU531499B2 ( )
BE (1) BE878679A ( )
CA (1) CA1151732A ( )
DE (1) DE2935887A1 ( )
FR (1) FR2435712A1 ( )
IT (1) IT1121480B ( )
NL (1) NL7906646A ( )
NO (1) NO151385C ( )
SE (1) SE440560B ( )

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4659991A (en) * 1983-03-31 1987-04-21 Ndt Technologies, Inc. Method and apparatus for magnetically inspecting elongated objects for structural defects
US4706021A (en) * 1983-08-08 1987-11-10 The Charles Stark Draper Laboratory, Inc. Crossed wire defect detector employing eddy currents
JPS6061655U (ja) * 1983-10-05 1985-04-30 ティーディーケイ株式会社 金属片判別素子
JPH0778490B2 (ja) * 1986-10-16 1995-08-23 新日本製鐵株式会社 磁粉探傷装置
USRE36986E (en) * 1987-10-02 2000-12-12 Massachusetts Institute Of Technology Apparatus and methods for measuring permeability and conductivity in materials using multiple wavenumber magnetic interrogations
US5414353A (en) * 1993-05-14 1995-05-09 Ndt Technologies, Inc. Method and device for nondestructively inspecting elongated objects for structural defects using longitudinally arranged magnet means and sensor means disposed immediately downstream therefrom
EP1301931A1 (de) * 2000-07-14 2003-04-16 Forschungszentrum Karlsruhe GmbH I-induktor als hochfrequenz-mikroinduktor
DE10105082A1 (de) * 2001-02-05 2002-08-14 Wincor Nixdorf Gmbh & Co Kg Vorrichtung zur Entgegennahme von Banknoten
US7276914B2 (en) * 2006-01-31 2007-10-02 University Of Delaware System and method for guided TDR/TDT computerized tomography
JP7321881B2 (ja) * 2019-10-17 2023-08-07 キヤノンメディカルシステムズ株式会社 検体検査装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999977A (en) * 1958-05-20 1961-09-12 Industrial Nucleonics Corp Nuclear magnetic resonance measuring system
US3156862A (en) * 1961-12-15 1964-11-10 Assembly Products Inc Electrical flaw detector apparatus having null plane positioned as well as electrically balanced coil arrangements
US3359495A (en) * 1964-08-13 1967-12-19 Bell Inc F W Magnetic reaction testing apparatus and method of testing utilizing semiconductor means for magnetic field sensing of an eddy-current-reaction magnetic field
FR1493026A (fr) * 1966-07-12 1967-08-25 Materiel Electromagnetique S I Perfectionnements aux détecteurs de métaux
US3504276A (en) * 1967-04-19 1970-03-31 American Mach & Foundry Printed circuit coils for use in magnetic flux leakage flow detection
DE2044535A1 (de) * 1970-09-09 1972-05-10 Forster F Anordnung zur zerstörungsfreien Fehlerprüfung von Stahlteilen
GB1427703A (en) * 1971-11-26 1976-03-10 British Steel Corp Magnetic testing apparatus
DE2411565C2 (de) * 1974-03-11 1983-10-27 British Steel Corp., London Vorrichtung zur magnetischen Prüfung eines ferromagnetischen Streifens
JPS5146998A (ja) * 1974-10-21 1976-04-22 Nippon Steel Corp Onrainketsushoryudosokuteihoho
SU527676A1 (ru) * 1974-12-08 1976-09-05 Владимирский политехнический институт Устройство дл формировани синусоидальной индукции в ферромагнитных образцах
US4074249A (en) * 1977-02-04 1978-02-14 Knogo Corporation Magnetic detection means

Also Published As

Publication number Publication date
SE7907429L (sv) 1980-03-09
NO151385C (no) 1985-04-03
DE2935887A1 (de) 1980-03-20
NO151385B (no) 1984-12-17
NL7906646A (nl) 1980-03-11
JPS5555271A (en) 1980-04-23
NO792815L (no) 1980-03-11
JPH0341795B2 ( ) 1991-06-25
SE440560B (sv) 1985-08-05
FR2435712A1 (fr) 1980-04-04
IT7968783A0 (it) 1979-09-07
AU4991279A (en) 1980-03-13
BE878679A (fr) 1979-12-31
IT1121480B (it) 1986-04-02
US4331919A (en) 1982-05-25
AU531499B2 (en) 1983-08-25
FR2435712B1 ( ) 1984-12-28
CA1151732A (en) 1983-08-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G01N 27/85

8127 New person/name/address of the applicant

Owner name: BRITISH STEEL PLC, LONDON, GB

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee