METHOD OF CONTROLLING THE RATE OF HEAT EXTRACTION IN MOULD CASTING - Patent 0498808

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EP 0 498 808 A1

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(43)	Date of publication:
	19.08.1992 Bulletin 1992/34

(21)	Application number: 90915073.0

(22)	Date of filing: 19.10.1990

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International Patent Classification (IPC):

B22C 9/ 06^{( . )}
B22D 27/ 04^{( . )}

B22D 11/ 124^{( . )}

(86)	International application number:
	PCT/CA1990/000357

(87)	International publication number:
	WO 1991/006386 (16.05.1991 Gazette 1991/11)

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

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Priority:

01.11.1989 US 19890430303
10.10.1990 US 19900595197

(71)	Applicant: ALCAN INTERNATIONAL LIMITED
	Montreal Quebec H3A 3G2 (CA)

(72)	Inventor:
	DOUTRE, Don, Allen Kingston, Ontario K7P 2V6 (US)

(74)	Representative: Gaunt, Robert John, et al
	Stevens, Hewlett & Perkins 1 Serjeants' Inn Fleet Street London EC4Y 1LL London EC4Y 1LL (GB)

(54)	METHOD OF CONTROLLING THE RATE OF HEAT EXTRACTION IN MOULD CASTING