Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1979-04-03
1980-08-12
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
B08B 902
Patent
active
042165610
ABSTRACT:
A machine operated implement for cleaning box culverts and other drains and waterways which are generally rectangular in cross section has an elongated body with a plow means at a forward end and a plunger means at a rearward end together with means for wetting dirt in the culvert in advance of said plow means and further means for wetting the dirt in advance of said plunger means.
REFERENCES:
patent: 1344249 (1920-06-01), Stewart
Fishel Grace J.
Roberts Edward L.
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