Metal treatment – Stock – Copper base
Reexamination Certificate
2005-12-13
2005-12-13
Ip, Sikyin (Department: 1742)
Metal treatment
Stock
Copper base
C420S472000
Reexamination Certificate
active
06974509
ABSTRACT:
Brass consists essentially of Cu, Sn, Bi, Fe, Ni and P in weight ratios respectively of 58.0-63.2%, 0.3-2.0%, 0.7-2.5%, 0.05-0.3%, 0.10-0.50% and 0.05-0.15% plus the balance of Zn and unavoidable impurities to exhibit excellent tolerance for dezincification, hot forgeability and machinability.
REFERENCES:
patent: 5487867 (1996-01-01), Singh
patent: 5614038 (1997-03-01), King et al.
patent: 5653827 (1997-08-01), Kramer et al.
patent: 7317804 (1995-12-01), None
patent: 8-120369 (1996-05-01), None
patent: 9316570 (1997-12-01), None
patent: 2000169919 (2000-06-01), None
Hansen, Max, Constitution of Binary Alloys, 2ndEdition, McGraw-hill Book Company, Inc., New York, 1958, pp. 648-655.
Hagiwara Koichi
Hirabayashi Mitsuhide
Hirata Yoshihiro
Ito Kozo
Yamazaki Masaru
Ip Sikyin
Kitz Corporation
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