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:
Jan. 23, 2001
Filed:
Sep. 01, 1998
Applicant:
Inventors:
Åke {umlaut over (O)}stlund, H{umlaut over (a)}gersten, SE;
Jeanette Persson, Nacka, SE;
Björn Ljungberg, Enskede, SE;
Assignee:
Sandvik AB, Sandviken, SE;
Primary Examiner:
Int. Cl.
CPC ...
C23C 1/630 ; B23B 2/714 ;
U.S. Cl.
CPC ...
C23C 1/630 ; B23B 2/714 ;
Abstract
A coated milling insert particularly useful for milling in low and medium alloyed steels with or without raw surface zones during wet or dry conditions. The insert is characterized by a WC-Co cemented carbide with a low content of cubic carbides and a highly W alloyed binder phase and a coating including an inner layer of TiC,N,O,with columnar grains, a layer of &kgr;-Al,O,and, preferably, a top layer of TiN. The layers are deposited by using CVD methods.