IMPROVED SCREEN FOR SEPARATING AND CLASSIFYING PARTICULATE MATERIAL AND METHOD OF MAKING SAME

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(11)

EP 0 132 439 A1

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(43)	Date of publication:
	06.02.1985 Bulletin 1985/06

(21)	Application number: 84900781.0

(22)	Date of filing: 16.01.1984

(51)

International Patent Classification (IPC):

B07B 1/ 46^{( . )}
B32B 3/ 10^{( . )}

B26F 3/ 00^{( . )}

(86)	International application number:
	PCT/US1984/000044

(87)	International publication number:
	WO 1984/002879 (02.08.1984 Gazette 1984/18)

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

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Priority:

17.01.1983 US 19830458484

(71)	Applicant: NATIONAL-STANDARD COMPANY
	Niles, Michigan 49120 (US)

(72)	Inventors:
	CARLSON, James, D. Carbondale, PA 18407 (US) COLUCCI, Stephen, L. Mishawaka, IN 46544 (US)

(54)	IMPROVED SCREEN FOR SEPARATING AND CLASSIFYING PARTICULATE MATERIAL AND METHOD OF MAKING SAME