SYNOPSIS
The present invention relates to a
ground drilling machine such as earth drilling (boring) machine for drilling a
bore in earth for embedding, without open-cut operation to the earth, gas pipe,
electric cable, signal cable sheath tube, fiber cable, water-supply pipe, sewer
(sewage) pipe and the like, and a crawler drill for boring an earth to insert
an explosive for blasting use, and also relates to a rod exchanger utilized for
such ground drilling machine.
The
GROUND DRILLER is one which can be used to drill or holes the earth to
our requirements. The drill head is mounted on the drilling machine. The drill head spindle is inserted in to the
machine spindle.
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