METHOD AND APPARATUS FOR DISCONTINUITY DETECTION IN MAGNETISABLE MATERIAL - Patent 0579807

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EP 0 579 807 A1

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(43)	Date of publication:
	26.01.1994 Bulletin 1994/04

(21)	Application number: 93903253.0

(22)	Date of filing: 05.02.1993

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International Patent Classification (IPC):

G01N 27/ 82^{( . )}

(86)	International application number:
	PCT/GB1993/000264

(87)	International publication number:
	WO 1993/016380 (19.08.1993 Gazette 1993/20)

(84)	Designated Contracting States:
	BE DE DK ES FR GB IT NL

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Priority:

11.02.1992 GB 19920002846

(71)	Applicant: SILVERWING LIMITED
	Swansea SA5 4DL (GB)

(72)	Inventor:
	DRURY, John, Charles 19 Lon Cedwyn Sketty West Glamorgan SA2 0TH (GB)

(74)	Representative: Austin, Hedley William
	Urquhart-Dykes & Lord Alexandra House 1 Alexandra Road Swansea West Glamorgan SA1 5ED Swansea West Glamorgan SA1 5ED (GB)

(54)	METHOD AND APPARATUS FOR DISCONTINUITY DETECTION IN MAGNETISABLE MATERIAL