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:
Jun. 05, 2007
Filed:
Aug. 13, 2002
Arno Friedrichs, Kulmbach, DE;
Arno Friedrichs, Kulmbach, DE;
Other;
Abstract
The invention relates to a rod-shaped tool made of sintered material that is used to machine a workpiece. Said tool comprises a rod center axis (), a shaft area () and a chip space area () adjacent thereto in the direction of the rod center axis (). The tool has at least one outside chip space (), which encircles the rod center axis (), in the chip space area () but not in the shaft area (). The chip space () is situated at a minimum distance (a) from the rod center axis (). A central recess () extends in the direction of the rod center axis () over the shaft area () whereby leading up and into the chip space area (). The central recess has, in the chip space area (), a non-circular cross-section and is situated at a maximum distance (A) from the rod center axis (), said maximum distance being at least as large as the minimum distance (a)