SYNCHRONIZER RING AND METHOD AND PRESS TOOL FOR ITS MANUFACTURE - Patent 1373748

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EP 1 373 748 A1

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(43)	Date of publication:
	02.01.2004 Bulletin 2004/01

(21)	Application number: 02707366.7

(22)	Date of filing: 12.03.2002

(51)	International Patent Classification (IPC)⁷: F16D 23/02, B21K 1/30, B22F 5/08

(86)	International application number:
	PCT/SE2002/000441

(87)	International publication number:
	WO 2002/077480 (03.10.2002 Gazette 2002/40)

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

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Priority:

26.03.2001 SE 0101090

(71)	Applicant: Volvo Lastvagnar AB
	405 08 Göteborg (SE)

(72)	Inventor:
	HEDMAN, Anders S-440 30 Marstrand (SE)

(74)	Representative: Fröhling, Werner
	Volvo Technology Corporation,Corporate Patents,06820, M1.7 405 08 Göteborg 405 08 Göteborg (SE)

(54)	SYNCHRONIZER RING AND METHOD AND PRESS TOOL FOR ITS MANUFACTURE