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. 18, 2007
Filed:
Aug. 12, 2003
Dietmar Berger, Lechaschau, AT;
Rudolf Rofner, Heiterwang, AT;
Remus Venturini, Rosshaupten, DE;
Ceratizit Austria GES. m.b.H., Reutte, AT;
Abstract
The invention relates to a cutting tool for rotating and drilling into solid blocks, comprising a drill shank () and a cutting head () on one end. The cutting head () has a straight, front-face cutting edge () extending approximately crosswise in relation to the drill axis (). The cutting head () also comprises a section () protruding from the shank of the drill () at a height (h) ranging from at least 5% to a maximum of 40% of the diameter (d) of the drill and at a width (b) ranging from at least 5% to a maximum of 40% of the diameter (d) of the drill. The section () comprises a straight, lateral cutting edge () which merges into a straight, rear-sided cutting edge () extending in an approximately parallel manner in relation to the front-faced cutting edge ().