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:
Feb. 05, 2019
Filed:
May. 03, 2016
Atlas Copco Secoroc Ab, Fagersta, SE;
Tomas Rostvall, Stockholm, SE;
Christian Heydeck, Fagersta, SE;
EPIROC DRILLING TOOLS AKTIEBOLAG, Fagersta, SE;
Abstract
A cutting tool is provided. The cutting tool comprises a tip, a body and a shank. The tip has a tip radius and a tip length. The body has a body radius and a body length between the shank and a recess portion along a longitudinal axis of the body. The recess portion comprises a wall which forms a recess with a depth into the body for retaining a major part of the tip length within the recess. The body radius at half the depth of the recess does not exceed two tip radiuses. The tip is made of a hard metal alloy with a hardness of at least 1300 HV50 and the body is made of a steel alloy with a hardness of at least 450 HV30.