B - Operations – Transporting – 28 – C
Patent
B - Operations, Transporting
28
C
B28C 5/42 (2006.01) B01F 13/00 (2006.01) B01F 15/00 (2006.01) B03B 9/06 (2006.01) B08B 9/00 (2006.01) B08B 9/08 (2006.01) B28C 9/04 (2006.01) B60P 3/16 (2006.01)
Patent
CA 2267582
This application relates to an apparatus for containing and filtering rinse water, sediment and aggregate resulting from washing the hopper and discharge chute components of a concrete truck at a construction site following use, The apparatus comprises a container removably mountable on the end of the discharge chute, the container having an open upper end, a screen removably positionable within the container and an outlet located in a lower portion of the container below the screen. The apparatus further includes a pump mountable on the truck, the pump having a suction hose extending between the container outlet and the pump; and a discharge hose extending from the pump to an open end discharging into the mixing drum. When the pump is operating, rinse water and relatively small particle size sediment flushed down the chute and into the container is automatically conveyed through the suction and discharge hoses into the mixing drum. The screen has openings approximately 1/4 inches in diameter to trap relatively large particle size aggregate thereby preventing clogging of the pump fittings. The apparatus avoids the need for a designated truck wash-off station at the construction site and prevents contamination of the site or adjoining waterways with cementitious debris.
Ocean Construction Supplies Limited
Oyen Wiggs Green & Mutala Llp
LandOfFree
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