Brushing – scrubbing – and general cleaning – Implements
Patent
1985-06-19
1987-04-14
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
134166C, B08B 904
Patent
active
046566856
ABSTRACT:
The duct cleaner is formed of a nozzle conduit having connecting members at its opposite ends and spray nozzles intermediate its ends, an end conduit having connecting members at its opposite ends, and a plug member having a connecting member at one end and an eye bolt at its other end. The end conduit is adapted to have a sponge or the like fitted around its exterior for engaging the walls of a duct to be cleaned. The end conduit with its sponge is connected to a hose and to one end of the nozzle conduit and the plug member is connected to the other end of the nozzle conduit and to a rope which is used to pull the duct cleaner and hose through the duct with the spray nozzles ahead of the cleaning member while fluid from the hose is sprayed onto the interior walls of the duct by way of the spray nozzles. At the end of the first pass, the position of the spray nozzles and sponge may be reversed and the tool pulled back through the duct by the hose with fluid from the hose sprayed onto the walls of the duct by the nozzles ahead of the sponge.
REFERENCES:
patent: 1308469 (1919-07-01), Amet
patent: 4184220 (1980-01-01), Coyle
patent: 4349073 (1982-09-01), Zublin
patent: 4441557 (1984-04-01), Zublin
Blackmon Mooring Steamatic Catastrophe, Inc.
Roberts Edward L.
Zobal Arthur F.
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