Drilling head for a percussive displacement ground drilling device and use of a drilling head for a percussive displacement ground drilling device

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United States of America Patent

PATENT NO 11767716
SERIAL NO

17404072

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Abstract

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A drilling head for a percussive displacement ground drilling device with a first drilling head section and a second drilling head section, the first drilling head section having discharge ducts, and the second drilling head section having a cross section that increases in the longitudinal direction, wherein the second drilling head section includes a plurality of step-shaped areas.

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Patent Owner(s)

Patent OwnerAddress
TRACTO-TECHNIK GMBH & CO KGREIHERSTRASSE 2 57368 LENNESTADT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Püttmann, Franz-Josef Lennestadt, DE 22 69

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