Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2008-10-13
2011-12-20
Turner, Archene (Department: 1784)
Stock material or miscellaneous articles
Composite
Of inorganic material
C204S192100, C204S192120, C204S192150, C204S192380, C428S704000
Reexamination Certificate
active
08080324
ABSTRACT:
Disclosed is a hard coating excellent in wear resistance, insusceptible to seizure, and excellent sliding property even after use over the long term, and a method capable of forming the hard coating excellent in sliding property in a short time. The hard coating is a hard coating expressed by chemical formula MxBaCbNc, wherein M is at least one kind of metallic element selected from the group consisting of elements in the groups 4A, 5A, and 6A of the periodic table, and Si, Al, the hard coating having chemical composition satisfying respective formulas expressed by 0≦a≦0.2, 0≦c≦0.2, 0<x−a−c, x−a−c<b≦0.9, 0.05≦x<0.5, and x+a+b+c=1, where x, a, b, and c denote respective atomic ratios of M, B, C, and N.
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Office Action issued Mar. 10, 2011, in German Patent Application No. 10 2008 056 189.4 (with English-language translation).
(Kobe Steel, Ltd.)
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Turner Archene
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