Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1979-05-25
1980-08-26
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
B08B 902
Patent
active
042188032
ABSTRACT:
An implement for cleaning storm sewers and culverts having a tubular configuration has a carriage assembly with radially extending cutting means at a forward end and a corresponding radially extending plunger means in spaced relationship therewith at a rearward end, together with means for wetting dirt in the culvert in advance of the cutting means and further means for wetting the dirt in advance of the plunger means.
REFERENCES:
patent: 1132691 (1915-03-01), Sieben
patent: 1344249 (1920-06-01), Stewart
Fishel Grace J.
Roberts Edward L.
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