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:
Sep. 27, 2005
Filed:
May. 10, 2004
Applicants:
Mattias Svensson, Skärblacka, SE;
Mikael Grönquist, Norrköping, SE;
Johnny Bruhn, Våsterfårnebo, SE;
Inventors:
Mattias Svensson, Skärblacka, SE;
Mikael Grönquist, Norrköping, SE;
Johnny Bruhn, Våsterfårnebo, SE;
Assignee:
Seco Tools AB, Fagersta, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B051/06 ;
U.S. Cl.
CPC ...
Abstract
A drill for chip removing machining includes a front cutting end, a rear securing portion, and a shank extending therebetween. The cutting end includes at least one cutting edge. The drill has at least one internal chip channel and at least one internal flush channel formed in a longitudinal pillar portion of the drill. All portions of the drill are formed of the same material, such as cemented carbide, wherein the chip channel has a surface roughness no greater than 0.5 μm.