METHOD FOR PRODUCING WHEEL DISC FORMS ON FLOW-FORMING MACHINES, VEHICLE WHEEL HAVING A WHEEL DISC FORM OF SAID TYPE, AND SPINNING MANDREL FOR FLOW-FORMING MACHINES FOR PRODUCING CORRESPONDING WHEEL DISC FORMS - Patent 3131690

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EP 3 131 690 A1

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(43)	Date of publication:
	22.02.2017 Bulletin 2017/08

(21)	Application number: 15728148.6

(22)	Date of filing: 15.04.2015

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International Patent Classification (IPC):

B21D 22/16^(2006.01)

B21D 53/26^(2006.01)

(86)	International application number:
	PCT/IB2015/052742

(87)	International publication number:
	WO 2015/159231 (22.10.2015 Gazette 2015/42)

(84)	Designated Contracting States:
	AL 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 RS SE SI SK SM TR
	Designated Extension States:
	BA ME
	Designated Validation States:
	MA

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Priority:

15.04.2014 DE 102014105400

(71)	Applicant: Maxion Wheels Germany Holding GmbH
	53639 Königswinter (DE)

(72)	Inventors:
	GRUETGEN, Matthias 53639 Königswinter (DE) LOPES, Carlos Eduardo 12514-740 Cruzeiro (BR) GRAZIANI, Marcelo Yumoto 12514-740 Cruzeiro (BR)

(74)	Representative: Althaus, Arndt
	Patentanwälte, Buschhoff Hennicke Althaus Kaiser-Wilhelm-Ring 24 50672 Köln 50672 Köln (DE)

(54)	METHOD FOR PRODUCING WHEEL DISC FORMS ON FLOW-FORMING MACHINES, VEHICLE WHEEL HAVING A WHEEL DISC FORM OF SAID TYPE, AND SPINNING MANDREL FOR FLOW-FORMING MACHINES FOR PRODUCING CORRESPONDING WHEEL DISC FORMS