The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2015
Filed:
Jan. 11, 2013
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Frank Barry Battaglia, Latrobe, PA (US);
Crystal Jane Nestor, Greensburg, PA (US);
Peter Rudolf Leicht, Latrobe, PA (US);
Kent Lewis Reiner, Latrobe, PA (US);
Charles Graham McNerny, Greensburg, PA (US);
Assignee:
Kennametal Inc., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01); B23P 13/00 (2006.01); B23P 15/28 (2006.01);
U.S. Cl.
CPC ...
B23B 27/148 (2013.01); Y10T 29/49995 (2015.01); Y10T 407/27 (2015.01); B23P 13/00 (2013.01); B23P 15/28 (2013.01);
Abstract
CVD coated cutting tools are provided. A coated cutting tool described herein, in some embodiments, comprises a PcBN substrate and a polished coating adhered to the substrate including one or more layers of AlOdeposited by chemical vapor deposition, wherein the coating has a surface roughness (R) less than about 600 nm in an area of the cutting tool for contacting a workpiece.