Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1980-11-10
1982-06-29
Bashore, Jr., S. Leon
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 24, 151043R, B08B 904
Patent
active
043370969
ABSTRACT:
An implement and method for cleaning sanitary, industrial or the like drains, said implement having a carriage hub with radially extending cutting means and a correspondingly radially extending plunger means, together with means for wetting the debris in the drain in advance of the cutting means, said plunger means comprising a plurality of fan shaped elements pivoted between said radially extending cutting means and which are folded backwardly when the implement is pulled forwards through a drain in a direction parallel to the axis of the hub and which are expanded into a plate when the implement is pulled backwards in an opposite direction. Depending on the configuration of the fan shaped elements, the implement is capable of cleaning drains of various configurations including box culverts and tubular pipes. When the radially extending cutting means are circular segments and the fan shaped elements are circular sectors, said implement preferably further including a circumferentially extending scraping means with transverse circumferentially extending knives affixed thereto.
REFERENCES:
patent: 494427 (1893-03-01), LaCroix et al.
patent: 713077 (1902-11-01), Dubois
patent: 1972402 (1934-09-01), Jones
patent: 2201680 (1940-05-01), Haynes
patent: 2328060 (1943-08-01), Crane et al.
patent: 3600223 (1971-08-01), Parmelee
Bashore, Jr. S. Leon
Fishel Grace J.
Goldman Michael L.
Pierce, Jr. John T.
Pratt Paul L.
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