METHOD FOR PRODUCING PATTERNS ON A FIBER FELTING SCREEN - Patent 0215904

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EP 0 215 904 A1

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(43)	Date of publication:
	01.04.1987 Bulletin 1987/14

(21)	Application number: 86902148.0

(22)	Date of filing: 04.03.1986

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International Patent Classification (IPC):

D21J 1/ 00^{( . )}
D21F 11/ 00^{( . )}

D21F 1/ 00^{( . )}

(86)	International application number:
	PCT/US1986/000492

(87)	International publication number:
	WO 1986/005220 (12.09.1986 Gazette 1986/20)

(84)	Designated Contracting States:
	DE FR GB NL SE

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Priority:

06.03.1985 US 19850708855

(71)	Applicant: USG Corporation
	Chicago Illinois 60606 (US)

(72)	Inventors:
	IZARD, David, Graham Wauconda, IL 60084 (US) MAYERS, Thomas, Michael Arlinton Height, IL 60005 (US)

(74)	Representative: Johnson, Terence Leslie, et al
	Edward Evans & Co. Chancery House 53-64 Chancery Lane London WC2A 1SD London WC2A 1SD (GB)

(54)	METHOD FOR PRODUCING PATTERNS ON A FIBER FELTING SCREEN