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. 05, 2000
Filed:
Mar. 10, 1999
Applicant:
Inventors:
Peter Ostermeier, Diessen, DE;
Rudolf Reitberger, Munich, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ; B23B / ;
U.S. Cl.
CPC ...
408 56 ; 408 57 ;
Abstract
A drilling tool including a chuck (10) for receiving a drill (2), a cooling medium delivery conduit (3) for delivering a cooling medium to the drill (2), and a first valve (5) for controlling flow of the cooling medium through the delivery conduit (3) and having an inlet (50) and an outlet (51) a cross-section of which can be reduced to zero.