CAVITIED ABRADING DEVICE WITH LAYERED GRIT - Patent 0479973

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EP 0 479 973 A1

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(43)	Date of publication:
	15.04.1992 Bulletin 1992/16

(21)	Application number: 91907212.0

(22)	Date of filing: 15.03.1991

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International Patent Classification (IPC):

B24D 3/ 00^{( . )}
B24D 18/ 00^{( . )}

B24D 3/ 06^{( . )}

(86)	International application number:
	PCT/US1991/001772

(87)	International publication number:
	WO 1991/016175 (31.10.1991 Gazette 1991/25)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

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Priority:

18.04.1990 US 19900511393

(71)	Applicant: B & J MANUFACTURING COMPANY
	Glenwood Illinois 60425 (US)

(72)	Inventor:
	Stanfield, Charles K. Crete, Illinois 60417 (US)

(74)	Representative: Newby, John Ross, et al
	J.Y. & G.W. Johnson Furnival House 14/18 High Holborn London WC1V 6DE London WC1V 6DE (GB)

(54)	CAVITIED ABRADING DEVICE WITH LAYERED GRIT