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:
Oct. 16, 2018
Filed:
Apr. 20, 2015
Applicant:
Kennametal Inc., Latrobe, PA (US);
Inventors:
Rodrigo A. Cooper, Latrobe, PA (US);
Zhenyu Liu, Greensburg, PA (US);
Peter R. Leicht, Latrobe, PA (US);
Yixiong Liu, Greensburg, PA (US);
Assignee:
KENNAMETAL INC., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/40 (2006.01); C23C 16/44 (2006.01); C23C 16/34 (2006.01); C23C 16/30 (2006.01); C23C 16/36 (2006.01); C23C 28/04 (2006.01); C23C 28/00 (2006.01); C23C 30/00 (2006.01);
U.S. Cl.
CPC ...
C23C 16/403 (2013.01); C23C 16/30 (2013.01); C23C 16/34 (2013.01); C23C 16/36 (2013.01); C23C 16/44 (2013.01); C23C 28/042 (2013.01); C23C 28/044 (2013.01); C23C 28/42 (2013.01); C23C 30/005 (2013.01);
Abstract
A coated cutting insert for a chipforming material removal operation wherein the coated insert has a substrate and a coating scheme on the substrate. The coating scheme includes a CVD transition coating layer. The coating scheme further includes a CVD multi-layered coating scheme having a plurality of coating sets. Each one of the coating sets has an aluminum oxide coating layer and a nitrogen-containing coating layer.