Tracto-technik Gmbh & Co. Kg

Volker Boike

Dieter Wurm

Stefan Hermes

Tobias Klein

The invention relates to a rod section of a ground drilling rod, wherein the rod section is configured at the end to form a plug connection and has (a) a male connector or (b) a female connector at at least one end, wherein the male connector has at least one circular portion and at least one more straight-line-like portion in cross section on the outside, or the female connector has at least one circular portion and at least one more straight-line-like portion in cross section on the inside.

Rod section of a ground drilling rod

A ground drilling device for cable-guided drilling comprising a drive for connecting and/or moving rod sections of a drill string along a drill string axis, wherein a cable reserve for receiving a cable with a length of at least two rod sections is provided and a contact device for electrical contacting of one end of the cable of the cable reserve is provided.

Ground drilling device for cable-guided drilling, method for cable-guided ground drilling , and use during cable-guided drilling

A double drill rod section has an outer drill rod section and an inner drill rod section. The inner drill rod section has at least one conductor. In order to bring about an electrical connection of the conductor, the inner drill rod section has an essentially annular outer contact, and, in the annular space between the outer drill rod section and the inner drill rod section, a pick-up is in contact with the annular outer contact of the inner drill rod section.

Double drill rod section, double drill rod length and method of producing an electrically conductive connection in a double drill rod section

A transmitter housing for a drilling device having a drilling fluid feed line comprises a collector space formed in the interior of the transmitter housing for accommodating a pressure sensor of a locating probe.

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Lennestadt, Germany

Volker Boike