Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1994-10-04
1996-05-21
Coe, Philip R.
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 24, 134167R, 239227, 2392633, 239265, B08B 302, B08B 912
Patent
active
055185533
ABSTRACT:
An improved apparatus and method for cleaning and stripping residue, contaminants, and debris from all of the interior surfaces in a storage tank and the like. The present invention may be conveniently inserted into a tank through its manway and, after quick assembly thereof, hydraulically positioned vertically and then maneuvered and articulated to clean and strip interior storage tank surfaces. A means is provided which inherently coordinates and synchronizes hydraulically driven rotation of the vertical pole on the tank floor with the hydraulically driven rotation of a spray bar disposed at the remote end of a boom assembly. Close proximity of the spray to the surfaces is controlled by hydraulically operated cylinders contained on a rotor assembly.
REFERENCES:
patent: 2800366 (1957-07-01), Scruggs
patent: 3477178 (1969-11-01), Hulbert
patent: 3985572 (1976-10-01), Petermann et al.
patent: 4163455 (1979-08-01), Hebert et al.
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