Alloys or metallic compositions – Magnesium base – Aluminum containing
Reexamination Certificate
2005-06-23
2010-02-23
Mayes, Melvin C (Department: 1793)
Alloys or metallic compositions
Magnesium base
Aluminum containing
C420S402000, C420S411000, C164S462000
Reexamination Certificate
active
07666351
ABSTRACT:
The invention offers (a) a method of producing a magnesium-alloy material, the method being capable of obtaining a magnesium-alloy material having high strength, (b) a magnesium-alloy material having excellent strength, and (c) a magnesium-alloy wire having high strength. A molten magnesium alloy is supplied to a continuous casting apparatus provided with a movable casting mold to produce a cast material. The cast material is supplied to between at least one pair of rolls to perform an area-reducing operation (a rolling operation). The rolling operation is performed such that pressure is applied to the cast material using the rolls from at least three directions in the cross section of the cast material. A magnesium-alloy material obtained through the above-described production method has a fine crystal structure and is excellent in plastic processability.
REFERENCES:
patent: 4044586 (1977-08-01), Properzi
patent: 2004/0084173 (2004-05-01), Nishikawa et al.
patent: 25 37 825 (1976-04-01), None
patent: 0 257 904 (1988-03-01), None
patent: 2004-206646 (1992-07-01), None
patent: 2000-212607 (2000-08-01), None
patent: 2004-124152 (2004-04-01), None
patent: 2004-124152 (2004-04-01), None
patent: 2004-124154 (2004-04-01), None
patent: 2004-183062 (2004-07-01), None
patent: 2004-217951 (2004-08-01), None
patent: WO 02/083341 (2002-10-01), None
Supplementary European Search Report issued in European Patent Application No. EP 05753488.5 PCT/JP2005011524, dated on Jan. 4, 2008.
Chinese Office Action, with Partial English Translation, issued in Chinese Patent Application No. CN 2005800291542, dated on Feb. 29, 2008.
Zhang, Qing-lai et al., “Press Forming in AZ31B Wrought Magnesium Alloy,” Light Alloy Net Forming National Engineering Research Center, Shanghai China, vol. 32, No. 1, 2004.
T. Nishikawa et al., “Characteristics of magnesium alloy wire rod obtained by continuous casting,” (Collected Abstracts of the 2005 Spring Meeting of the Japan Institute of Metals, p. 169 (177) Mar. 29, 2005) and its English translation.
Nakai Yoshihiro
Nishikawa Taichiro
Mayes Melvin C
McDermott Will & Emery LLP
Oudenaren Sarah Van
Sumitomo Electric Industries Ltd.
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