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:
May. 29, 2012

Filed:

Mar. 09, 2009
Applicants:

Luis Fernando Garcia, Chur, CH;

Alfred Lammer, Mels, CH;

Klaus-peter Bohn, Gams, CH;

Till Cramer, Gams, CH;

Peter Mugg, Nueziders, AT;

Steven Moseley, Feldkirch-Tisis, AT;

Inventors:

Luis Fernando Garcia, Chur, CH;

Alfred Lammer, Mels, CH;

Klaus-Peter Bohn, Gams, CH;

Till Cramer, Gams, CH;

Peter Mugg, Nueziders, AT;

Steven Moseley, Feldkirch-Tisis, AT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

A segmental hard material insert for a working tool has a planar polycrystalline diamond layer () having, in its layer plane, a main cutting element () and a contact edge () located opposite the main cutting element, with the main cutting element () having two, facing outwardly, convex cutting sections () and a smooth, facing outwardly, concave transitional region () connecting the two convex cutting sections (), and with the apex () of the transitional region () being located on a central line of the main cutting element ().


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