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:
Jul. 12, 2005
Filed:
Jun. 01, 2001
Applicants:
Marie-louise Bergholt, Sandviken, SE;
Leif Karlsson, Karlholmsbruk, SE;
Tommy Tukala, Sandviken, SE;
Inventors:
Marie-Louise Bergholt, Sandviken, SE;
Leif Karlsson, Karlholmsbruk, SE;
Tommy Tukala, Sandviken, SE;
Assignee:
Sandvik Aktiebolag, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B051/02 ;
U.S. Cl.
CPC ...
Abstract
A drilling tool includes a drill body having chip channel formed therein and carrying cutting inserts at front ends of respective chip channels. Disposed in the chip channels at a location spaced from the cutting insert are respective damping elements. Each damping element comprises first and second portions formed of respective materials of different rigidity.