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. 22, 2008
Filed:
Nov. 12, 2004
Helmut Duscha, Ravenburg, DE;
August Haussmann, Ravensburg, DE;
Helmut Duscha, Ravenburg, DE;
August Haussmann, Ravensburg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The present invention relates to a multi-purpose drilling tool with a boring head, a drill twist connected thereto and a downstream clamping shank, a cutting element () being provided on the working side of the boring head. The cutting element () has a face () with a rake angle (γ) having a value of γ≧0° b, the cutting element () having a flank () with a lip clearance angle (α) having a value of 5°≦α≦15° and, in particular, α≈10°.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile