Guiding head

Details Guiding head Guiding head

E - Fixed Constructions

21

B

255/71

E21B 10/00 (2006.01) E21B 7/26 (2006.01) E21B 7/28 (2006.01) E21B 10/02 (2006.01)

Patent

CA 1111410

ABSTRACT OF THE DISCLOSURE In an apparatus for forming horizontal subterranian holes there is described a guide head for attachment to a broach- ing head comprising a central elongate shaft adapted at one end thereof for releasable connection to the broaching head and a plurality of radial fin members disposed about the shaft to provide directional stability during the pushing of the broaching head through the ground.

373865

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