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:
Feb. 21, 2006
Filed:
Sep. 30, 2002
Applicants:
Bernhard Moser, Altshausen, DE;
Rainer Widmann, Langenargen, DE;
Marco Lang, Ravensburg, DE;
Inventors:
Assignee:
Hawera Probst GmbH, Ravensburg, DE;
Primary Examiner:
Int. Cl.
CPC ...
B23B 51/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a drilling tool (), in particular for working concrete, rock, masonry and suchlike materials, having a single- or multi-edge tool head with at least one cutting body () which comprises a central region () which is designed in a roof shape, has rake faces and flanks and is defined laterally by two outer regions () set back in the effective direction of the drill. In this case, the ground surfaces of the central region () form a pyramidal point () while avoiding the formation of a chisel edge.