F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 1/00 (2006.01) E21B 7/20 (2006.01) H02G 1/06 (2006.01) H02G 9/06 (2006.01) H02G 1/08 (2006.01)
Patent
CA 2348708
The apparatus for underground directional pressing and pipe - laying operations comprises a stationary frame portion , a hydraulic or pneumatic ram between the sta- tionary frame portion and the part of the apparatus effecting the relative movement. The invention provides a method of directional pipe installation along an intended path underground. The method consists of providing a pit at a location starting the intended path underground and gradually pressing the movable portion of the apparatus which consists of a ridgid pipe filled with a continuous supply of water , valve manifold for control thereof and the forward cone section with a hole drilled through the cone into the ground by means of a hydraulic or a pneumatic ram.
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