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.

Date of Patent:
Mar. 13, 2001

Filed:

Sep. 01, 1998
Applicant:
Inventors:

Per Lindskog, Älvsjö, SE;

Per Gustafson, Huddinge, SE;

Björn Ljungberg, Enskede, SE;

Åke Östlund, Hägersten, SE;

Assignee:

Sandvik AB, Sandviken, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 2/714 ; C23C 1/630 ;
U.S. Cl.
CPC ...
B23B 2/714 ; C23C 1/630 ;
Abstract

A coated turning insert particularly useful for turning in stainless steel is disclosed. The insert is characterized by a WC—Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a coating including an inner layer of TiC,N,O,with columnar grains followed by a layer of fine-grained &kgr;-Al,O,and a top layer of TiN. The layers are deposited by using CVD-methods.


Find Patent Forward Citations

Loading…