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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.:

US 8535407 B1

PDFFull Text
Expired
Date of Patent:
Sep. 17, 2013

Filed:

Sep. 15, 2009

Hard-metal

Applicants:

Igor Yuri Konyashin, Burghaun, DE;

Bernd Heinrich Ries, Burghaun, DE;

Frank Friedrich Lachmann, Burghaun, DE;

Inventors:

Igor Yuri Konyashin, Burghaun, DE;

Bernd Heinrich Ries, Burghaun, DE;

Frank Friedrich Lachmann, Burghaun, DE;

Assignee:

Element Six GmbH, Burghaun, DE;

Attorney:

Bryan Cave LLP

Primary Examiner:

Roy King

Assistant Examiner:

Ngoclan T Mai

Int. Cl.
CPC ...
C22C 26/00 (2006.01); C22C 29/02 (2006.01); C22C 29/14 (2006.01); C22C 1/05 (2006.01); C22C 32/00 (2006.01); B22F 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a hard-metal comprising at least 13 volume % of a metal carbide selected from the group consisting of TiC, VC, ZrC, NbC, MoC, HfC, TaCl WC or a combination thereof, a binder phase comprising one or more of iron-group metals or alloy thereof and 0.1 to 10 weight % Si and 0.1 to 10 weight % Cr and having a liquidus temperature at 1280 degrees C. or lower and 3 to 39 volume % of diamond or cBN grains coated with a protective coating or a mixture thereof and a process for making the hard-metal.

Find Patent Forward Citations

Konyashin, Igor. (2013). Hard-metal (U.S. Patent No. 8535407). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8535407

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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