Systems and methods for washing-out concrete pouring equipment

Cleaning and liquid contact with solids – Apparatus – With movable means to cause fluid motion

Reexamination Certificate

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Details

C134S060000, C134S061000, C134S084000, C134S109000, C134S117000

Reexamination Certificate

active

07913704

ABSTRACT:
A system for washing-out concrete pouring equipment includes a bin for receiving waste materials washed with water from the concrete pouring equipment. The bin includes openings allowing liquid to drain into a base unit that includes sidewalls defining a receptacle for receiving the bin and a sloped bottom for conveying liquid drained from the bin to a sump. A filtering system filters particulate matter from liquid provided from the sump to recover the water.

REFERENCES:
patent: 5127740 (1992-07-01), DeBoer
patent: 5460431 (1995-10-01), McWilliams
patent: 5685978 (1997-11-01), Petrick et al.
patent: 5695280 (1997-12-01), Baker et al.
patent: 6802964 (2004-10-01), Preisser et al.
patent: 2004/0074903 (2004-04-01), Klempner
patent: 2004/0124190 (2004-07-01), Beyer

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