METHOD FOR THE MANUFACTURE OF AN ALUMINIUM ALLOY PLATE PRODUCT HAVING LOW LEVELS OF RESIDUAL STRESS - Patent 2379765

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EP 2 379 765 A1

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(43)	Date of publication:
	26.10.2011 Bulletin 2011/43

(21)	Application number: 10700994.6

(22)	Date of filing: 15.01.2010

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International Patent Classification (IPC):

C22F 1/04^(2006.01)

(86)	International application number:
	PCT/EP2010/050479

(87)	International publication number:
	WO 2010/081889 (22.07.2010 Gazette 2010/29)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

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Priority:

16.01.2009 EP 09150734
16.01.2009 US 145258 P

(71)	Applicant: Aleris Aluminum Koblenz GmbH
	56070 Koblenz (DE)

(72)	Inventors:
	KRÖPFL, Ingo Günther 56751 Polch (DE) HASZLER, Alfred Johann Peter 56179 Vallendar (DE)

(74)	Representative: Schinkel, Reta et al
	Müller Schupfner & Partner Patentanwälte Bavariaring 11 80336 München 80336 München (DE)

(54)	METHOD FOR THE MANUFACTURE OF AN ALUMINIUM ALLOY PLATE PRODUCT HAVING LOW LEVELS OF RESIDUAL STRESS