DIE CASTING FROM DIES HAVING COATED EXPENDABLE CORES

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(11)

EP 0 495 969 A1

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(43)	Date of publication:
	29.07.1992 Bulletin 1992/31

(21)	Application number: 91915219.0

(22)	Date of filing: 12.08.1991

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International Patent Classification (IPC):

B22C 1/ 00^{( . )}
B22C 9/ 10^{( . )}
B22D 17/ 22^{( . )}

B22C 3/ 00^{( . )}
B22D 17/ 00^{( . )}

(86)	International application number:
	PCT/US1991/005725

(87)	International publication number:
	WO 1992/003238 (05.03.1992 Gazette 1992/06)

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

13.08.1990 US 19900565809

(71)	Applicant: DOEHLER-JARVIS LIMITED PARTNERSHIP
	Toledo, Ohio 43612 (US)

(72)	Inventor:
	DOWNING, Robert, E. Toledo, OH 43615 (US)

(74)	Representative: Strehl Schübel-Hopf Groening & Partner
	Maximilianstrasse 54 D-80538 München D-80538 München (DE)

(54)	DIE CASTING FROM DIES HAVING COATED EXPENDABLE CORES