E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
61/4.6
E02F 5/10 (2006.01) F16L 1/032 (2006.01)
Patent
CA 1129217
ABSTRACT OF THE DISCLOSURE A trench is dug and pipe is laid in the trench by an apparatus including a plow attached to a towing vehicle and a pipe laying element attached to the plow and the towing vehicle, the plow forming the trench and the pipe laying element pushing earth out of the trench and laying the pipe. The pipe laying element is defined by a large frame supported by large diameter wheels which are mounted on arms, the arms forming part of levers which raise and lower the frame relative to the ground level, i.e. move the frame between the upper, transport position and the lower, pipe laying position. A first chute and rollers in the frame guide the pipe into position in the trench, and a second chute guides pipe weights onto the pipe to hold the latter in position.
332659
Dunsmuir George H.
Spade Construction Ltd.
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