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Title:
METHOD FOR THE PRODUCTION OF MOULDED METAL PIECES
Document Type and Number:
WIPO Patent Application WO2002092261
Kind Code:
A3
Abstract:
The invention relates to a method for the production of moulded metal pieces, in particular of weight-reduced moulded pieces made from metallic materials. A metallic body with a closed all-encompassing surface and an internal hollow structure as a core is placed in a casting mould and a liquid melt poured in around the above. The surface region of the metal body has an average density higher then the interior of the metal body by a factor of 1.5 to 20.

Inventors:
KNOTT WILFRIED
NIEDERMANN BENNO
RECKSIK MANFRED
WEIER ANDREAS
Application Number:
PCT/EP2002/004866
Publication Date:
May 27, 2004
Filing Date:
May 03, 2002
Export Citation:
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Assignee:
GOLDSCHMIDT AG TH (DE)
BUEHLER DRUCKGUSS AG (CH)
International Classes:
B22D17/00; B22D17/14; B22D17/24; B22D19/00; B22D25/02; (IPC1-7): B22D7/04; B22D19/16; B22D17/00; B22D17/14; B22D17/24; B22D19/00; C22C1/08
Domestic Patent References:
WO1999039923A11999-08-12
Foreign References:
DE19929761A12001-01-04
DE19926573A12000-12-21
DE19650613A11998-06-10
DE19501508C11996-04-25
Other References:
FEITH, MAT. -WISS. U. WERKSTOFFTECH., vol. 31, 2000, pages 407 - 408, XP002274724
HEINRICH ET AL, MAT. -WISS. U. WERKSTOFFTECH., vol. 31, 2000, pages 428 - 431, XP002274725
EUROMAT 99, vol. 5, 1999, pages 63 - 67, XP002274726
MAT.RES. SYMP. PROC., vol. 521, 1998, Warrendale, pages 151 - 157, XP009027703
CELLULAR METALS AND FOAMING TECHNOLOGY, 18 June 2001 (2001-06-18), pages 147 - 154, XP009027704
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