Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1993-05-19
1994-08-09
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15 17, 15 3, 15 931, B08B 908
Patent
active
053353951
ABSTRACT:
A movable oil and oil sludge removal apparatus which can be inserted into the manhole of a storage and process tank, the apparatus including a platform, a pump connected to the platform, two track assemblies connected to the platform, tracks connected to each track assembly to drive the track assemblies, a motor for driving the track assemblies, and an auger apparatus connected to the track assemblies for cutting the sludge and channeling the sludge to the pump intake.
REFERENCES:
patent: 4162680 (1979-07-01), Coch
patent: 4223622 (1980-09-01), Mazzucato
patent: 4407035 (1983-10-01), Lindqvist
patent: 4407678 (1983-10-01), Furness et al.
patent: 4469143 (1984-09-01), Vazin
patent: 4685974 (1987-08-01), Furness et al.
patent: 4770711 (1988-09-01), Deal, III et al.
patent: 4777971 (1988-10-01), Tribout et al.
patent: 5001800 (1991-03-01), Parenti et al.
Ray David L.
Roberts Edward L.
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