Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt
Reexamination Certificate
2006-02-07
2006-02-07
Ip, Sikyin (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
With casting or solidifying from melt
Reexamination Certificate
active
06994759
ABSTRACT:
In a process to reduce the susceptibility to dross-forming of an aluminium alloy melt with a content of at least 2.5 w. % magnesium, to the melt is added 0.02 to 0.15 w. % vanadium and less than 60 ppm beryllium. By the addition of vanadium, the beryllium addition can be reduced and at the same time the dross-forming resistance of the melt increased.
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Patent Abstracts of Japan, vol. 095, No. 011, Dec. 26, 1995 & JP 07 197177A (Sky Alum Co Ltd) Aug. 1, 1995.
Aluminium Rheinfelden GmbH
Bachman & LaPointe P.C.
Ip Sikyin
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