Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1992-11-13
1994-06-21
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
134169C, 134181, 242107, B08B 302
Patent
active
053220803
ABSTRACT:
A retractable rotating hose device for rotating and helically thrusting a high pressure hose and biased nozzle into a pipe for the purpose of cleaning the interior surface of the pipe. The retractable rotating hose device is powered by converting linear torque from a rotating high pressure hose into linear thrust, forcing the high pressure hose and biased nozzle into the pipe, where the high pressure hose and biased nozzle travel through the pipe in a helical manner. The retractable rotating hose device remains generally stationary during the pipe cleaning operation and includes a spring-operated spool which automatically rewinds the high pressure hose at the termination of pipe cleaning operations. The present invention more effeciently cleans conduit, pipe and other tubular members, by constantly positioning the biased nozzle against the interior surface of the pipe and avoiding the "streaking" effect left by prior art nozzles. The helical pitch of the rotating high pressure hose, speed and direction of travel of the high pressure hose are controlled through the alignment of the drive wheels in the rotary hose drive.
REFERENCES:
patent: 3959840 (1976-06-01), Sato
patent: 3987963 (1976-10-01), Pacht
patent: 4010913 (1977-03-01), Guerster et al.
patent: 4354294 (1982-10-01), Silver
patent: 4687011 (1987-08-01), Masaru
patent: 4691723 (1987-09-01), Mierswa et al.
patent: 5143105 (1992-09-01), Katayama
O'Brian David M.
Payne Alton W.
Stinson Frankie L.
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