E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
61/4.6
E02F 5/22 (2006.01)
Patent
CA 1334481
Backfilling apparatus adapted to be moved along a pipeline trench includes a hopper to receive backfilling material, a conveyor carrying backfilling material to an elevated position, an inclined vibrating screen, a shredder positioned to receive the conveyor discharge and discharge the shredded material onto the vibrating screen, discharge chutes adapted to discharge material passing through the screen and material passing over the screen, in that order, onto the pipe in the trench, a grizzly at the mouth of the hopper and a discharge chute to discharge material passing over the grizzly into the trench on top of the material from the screen.
600760
Klamar Ed
Smart & Biggar
LandOfFree
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