A METHOD FOR MANUFACTURING AN ULTRA-HIGH-TENSILE, STRETCH FORMED OR STRETCH BENT SHEET METAL PRODUCT OF STEEL - Patent 1490187

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EP 1 490 187 A1

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(43)	Date of publication:
	29.12.2004 Bulletin 2004/53

(21)	Application number: 03708789.7

(22)	Date of filing: 13.03.2003

(51)	International Patent Classification (IPC)⁷: B21D 11/02, C21D 7/02

(86)	International application number:
	PCT/SE2003/000422

(87)	International publication number:
	WO 2003/076100 (18.09.2003 Gazette 2003/38)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

13.03.2002 SE 0200764

(71)	Applicant: Avestapolarit AB
	774 80 Avesta (SE)

(72)	Inventors:
	CARLSSON, Leif S-465 91 Nossebro (SE) GROTH, Hans S-774 61 Avesta (SE)

(74)	Representative: Strandin, Heléne
	Bergenstrahle & Lindvall AB,P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)

(54)	A METHOD FOR MANUFACTURING AN ULTRA-HIGH-TENSILE, STRETCH FORMED OR STRETCH BENT SHEET METAL PRODUCT OF STEEL