Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolfgang Paul0
Dirk Heidemann0
Maciej Barcikowski0
Date of Patent
September 28, 2010
0Patent Application Number
104845490
Date Filed
July 23, 2002
0Patent Primary Examiner
Patent abstract
A drive apparatus for a drill stem, in particular for de-coking systems, has a feeder (4) connected to a water supply (8) via a first interface (6) and connected to a drill stem (12) via a second interface (10), as well as a drive (14) and a gearbox (16) for rotatably driving said feeder (4) and said drill stem (6), characterized in that said feeder (4) has a first section (20) connected to the water supply (8) and a second section (40) connected to the drill stem (12) and the first (20) and second (40) sections are releasably connected to each other.
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