GB774739A - Improvements relating to demagnetising apparatus - Google Patents

Improvements relating to demagnetising apparatus

Info

Publication number
GB774739A
GB774739A GB584155A GB584155A GB774739A GB 774739 A GB774739 A GB 774739A GB 584155 A GB584155 A GB 584155A GB 584155 A GB584155 A GB 584155A GB 774739 A GB774739 A GB 774739A
Authority
GB
United Kingdom
Prior art keywords
feb
coils
flux
poles
magnetic
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
GB584155A
Inventor
Robert Symington
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.)
Simon Carves Ltd
Carves Simon Ltd
Original Assignee
Simon Carves Ltd
Carves Simon 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 Simon Carves Ltd, Carves Simon Ltd filed Critical Simon Carves Ltd
Priority to GB584155A priority Critical patent/GB774739A/en
Publication of GB774739A publication Critical patent/GB774739A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material

Abstract

774,739. Demagnetizing. SIMON-CARVES, Ltd. Feb. 14, 1956 [Feb. 28, 1955], No. 5841/55. Class 35. Finely divided magnetic material suspended in water is demagnetized by passing it through an alternating field of gradually diminishing strength. As shown, the liquid is passed through a non-magnetic, high-resistance tube 1 traversed by flux from laminated poles 8 energized by coils 3. The laminations are divided into groups of progressively smaller size by non- magnetic layers 9, so that the flux gets weaker and weaker in the direction of flow. Modifications are described in which the poles diverge from the tube or are tapered. The coils may be oil-cooled.
GB584155A 1955-02-28 1955-02-28 Improvements relating to demagnetising apparatus Expired GB774739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB584155A GB774739A (en) 1955-02-28 1955-02-28 Improvements relating to demagnetising apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB584155A GB774739A (en) 1955-02-28 1955-02-28 Improvements relating to demagnetising apparatus

Publications (1)

Publication Number Publication Date
GB774739A true GB774739A (en) 1957-05-15

Family

ID=9803629

Family Applications (1)

Application Number Title Priority Date Filing Date
GB584155A Expired GB774739A (en) 1955-02-28 1955-02-28 Improvements relating to demagnetising apparatus

Country Status (1)

Country Link
GB (1) GB774739A (en)

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