Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Reexamination Certificate
2006-06-22
2011-12-20
Turner, Archene (Department: 1784)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
C428S325000, C428S336000, C428S472000, C428S697000, C428S698000, C428S699000, C428S701000, C428S702000
Reexamination Certificate
active
08080312
ABSTRACT:
A coated body that includes a substrate and a coating scheme on the substrate. The coating scheme includes a CVD titanium carbonitride coating layer containing titanium carbonitride grains that are of a pre-selected grain size. The coating scheme further includes a first titanium/aluminum-containing coating layer containing first titanium/aluminum-containing grains applied so as to be farther away from the substrate than the titanium carbonitride coating layer. The first titanium/aluminum-containing grains are of a pre-selected grain size. The coating scheme also includes a CVD alumina coating layer containing alumina grains applied so as to be farther away from the substrate than the first titanium/aluminum-containing coating layer. The alumina grains are of a pre-selected grain size.
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Gates, Jr. Alfred S.
Leicht Peter R.
McNerny Charles G.
Mehrotra Pankaj K.
Gordon Matthew W.
Kennametal Inc.
Turner Archene
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