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Title:
METHOD FOR MANUFACTURING A TUBULAR METAL PART
Document Type and Number:
WIPO Patent Application WO/2011/061444
Kind Code:
A3
Abstract:
The method for manufacturing the metal part (10) from a hollow ingot (10A) includes: axially stretching (100) the hollow ingot (10A) by means of forging; horning (120) the stretched ingot (10B) on the forging press (12) in order to form a generally tubular intermediate preform (10C); rolling (130) the intermediate preform (10C) on a circular rolling mill (16), thus enabling formation of a blank (10D); and machining (140) the blank (10D) so as to provide it with the size and shape of the finished metal part (10).

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Inventors:
BONAUD CLAUDE (FR)
Application Number:
PCT/FR2010/052441
Publication Date:
August 18, 2011
Filing Date:
November 17, 2010
Export Citation:
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Assignee:
CREUSOT FORGE (FR)
BONAUD CLAUDE (FR)
International Classes:
B21H1/06; B21B23/00; B21D53/06; B21D53/10; B22F5/10
Foreign References:
JP2006289394A2006-10-26
EP0852525B11999-12-29
JPH04182005A1992-06-29
Other References:
KOPP R ET AL: "QUALITAETSORIENTIERTE RINGWALZTECHNOLOGIE", 14 October 1998, STAHL UND EISEN, VERLAG STAHLEISEN, DUSSELDORF, DE, PAGE(S) 61 - 66,142, ISSN: 0340-4803, XP000791717
Attorney, Agent or Firm:
DOMENEGO, Bertrand et al. (2 Place d'Estienne d'Orves, Paris Cedex 09, FR)
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