E - Fixed Constructions – 03 – F
Patent
E - Fixed Constructions
03
F
E03F 5/24 (2006.01)
Patent
CA 2266920
An apparatus for depositing fill material over a pipeline. A wide-track carriage is provided for straddling the pipeline trench, and this includes a shaker screen mechanism for screening aggregate fill material, such as excavated native spoils. The screened fill material is fed into the trench via a pivoting conveyor which is controlled by means of a pivotable and extensible boom. A mix auger is also provided for mixing water and cement with the fill material to form a cementitious Controlled Low Strength Material fill in those installations where this is needed.
Askin Jerry B.
Nelson Joseph P.
Schleining Gregory L.
Askin Jerry B.
Barnard Construction Company Inc.
Borden Ladner Gervais Llp
Nelson Joseph P.
Schleining Gregory L.
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