Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kay Heemann0
Wolfgang Ludwig0
Uwe Bohn0
Date of Patent
April 3, 2012
Patent Application Number
12587914
Date Filed
October 14, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drilling tool includes a hydraulically driven device (21) for advancing a drilling head (2) in a bore (5), and a flow limiter (30) arranged in a hydraulic conduit (25) of the advancing device (21) for adjusting an advancing speed of the drilling head (2) in the bore (5), with the flow limiter (30) having a pressure-actuated adjusting member (38) for adjusting flow of a hydraulic fluid in the hydraulic conduit means (25) in accordance with a flow volume of a rinsing fluid (7) for rinsing the bore.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
