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:
Apr. 02, 1996
Filed:
Nov. 14, 1994
Minoru Nakano, Itame, JP;
Katsuya Uchino, Itame, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
Coated cemented carbides used for cutting tool and having improved resistance to chipping without sacrificing resistance to wear. They comprise a substrate comprising WC, at least one iron-family metal forming a binder phase and a hard phase in which a hard phase comprising at least one element selected from the group consisting of carbides, nitrides and carbonitrides of metal containing Zr and/or Hf as a main component coexists with a hard phase comprising at least one element selected from the group consisting of carbides, nitrides and carbonitrides of metal containing Ti as a main component, and at least one coating layer formed on said substrate, said coating layer comprising at least one element selected from the group consisting of a carbide, nitride, oxide and boride of a metal that belongs to the IVa, Va and VIs groups and aluminum oxide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile