Steered-head ram drilling tool

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United States of America Patent

PATENT NO 6352128
SERIAL NO

09469845

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Abstract

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In a ram drilling tool having a steering element, for example a steering head, which is mounted in the tool casing such that it can move, for example rotate, the tool casing is connected to a pressure-medium line such that it cannot rotate and to a sleeve pipe such that it can rotate; it may therefore be adjusted with low friction by means of rotation with the aid of the pressure-medium line with respect to the steering element, which is firmly held by the ground.

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Patent Owner(s)

Patent OwnerAddress
TRACTO-TECHNIK PAUL SCHMIDT SPEZIALMASCHINEN57368 LENNESTADT

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Puttmann, Franz-Josef Lennestadt, DE 39 248

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