Ram boring device

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United States of America Patent

PATENT NO 9016404
APP PUB NO 20120228031A1
SERIAL NO

13391989

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Abstract

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The invention relates to a ram boring device for creating horizontal boreholes, having an impact piston which moves in an oscillatory manner within a casing of the ram boring device and of which the impact frequency or impact intensity can be varied by displacing the center position of the impact piston inside the casing.

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Patent Owner(s)

Patent OwnerAddress
TRACTO-TECHNIK GMBH & CO KGPAUL-SCHMIDT-STRASSE 2 LENNESTADT 57368

International Classification(s)

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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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