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
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Feb 24, 2022
app pub date -
Aug 17, 2021
filing date -
Aug 17, 2021
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Abstract
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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