INJECTION UNIT FOR A HYDRAULIC DIE-CASTING MACHINE, PROVIDED WITH A DEVICE FOR THE ELIMINATION OF PRESSURE PEAKS AT INJECTION - Patent 0530244

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EP 0 530 244 A1

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(43)	Date of publication:
	10.03.1993 Bulletin 1993/10

(21)	Application number: 91909466.0

(22)	Date of filing: 15.05.1991

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International Patent Classification (IPC):

B22D 17/ 20^{( . )}

(86)	International application number:
	PCT/EP1991/000913

(87)	International publication number:
	WO 1991/017850 (28.11.1991 Gazette 1991/27)

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

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Priority:

22.05.1990 IT 19900020394

(71)	Applicant: INTERNATIONAL PRESS DEVELOPMENT ESTABLISHMENT
	FL-9490 Vaduz (LI)

(72)	Inventor:
	BRAGASTINI, Roberto I-37100 Verona (IT)

(74)	Representative: Mittler, Enrico
	c/o Marchi & Mittler s.r.l. Viale Lombardia, 20 I-20131 Milano I-20131 Milano (IT)

(54)	INJECTION UNIT FOR A HYDRAULIC DIE-CASTING MACHINE, PROVIDED WITH A DEVICE FOR THE ELIMINATION OF PRESSURE PEAKS AT INJECTION