Trench-filling method and device

Details Trench-filling method and device Trench-filling method and device

E - Fixed Constructions

02

F

E02F 5/12 (2006.01) E02F 5/22 (2006.01) E02F 7/02 (2006.01) E02F 7/06 (2006.01) E02F 9/02 (2006.01)

Patent

CA 2275067

A method for filling a trench (14), involving (i) towing with the aid of a hydraulic shovel (1) parallel to trench (14) a frame (3) mounted on wheels or crawlers (4) which supports a loading hopper (12) fitted with a grid (16) in the bottom; (ii) filling the said hopper (12) with filling material with the aid of hydraulic shovel (1); (iii) transferring the filling material by gravity through grid (16) onto a vibrating screen installed beneath hopper (12), and then onto a continuous conveyor (17) installed beneath the vibrating screen on frame (3), transversely to its direction of movement, the vibrating screen and the conveyor being driven by motor systems fitted to the frame; and (iv) tipping the backfill material laterally into trench (14) with the aid of the conveyor.

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