Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1998-12-28
2000-08-08
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
239261, 239DIG13, B08B 9053
Patent
active
060986425
ABSTRACT:
A counter-rotating sewer cleaning nozzle to provide improved efficient cleaning of interior surfaces of sewer lines. The counter-rotating sewer cleaning nozzle is comprised of a hose connector on one end and nose cone on the opposite end and retaining between them counter-rotating sleeves fitting over a cylindrical conduit. Each of the sleeves has spray jets in communication with a passageway connecting the cylindrical conduit to the hose connector for receiving water at high pressure from a high-pressure hose or pipe. The jets in the counter-rotating sleeves are at an oblique angle to the radius of the sleeves and the cylindrical conduit. The spray jets are angled in opposite directions in the forward and rear rotatable sleeves to provide counter rotation. When water is forced at high pressure through the sewer cleaning nozzle, the nozzle jets rotate the respective counter-rotating sleeves in opposite directions to provide efficient cleaning of crevices and irregular surfaces on interior surfaces of sewer lines.
REFERENCES:
patent: 2601691 (1952-07-01), Harris et al.
patent: 4361282 (1982-11-01), DiVito
patent: 4799554 (1989-01-01), Clapp et al.
patent: 5518379 (1996-05-01), Harris et al.
Coe Philip R.
O'Reilly David
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