Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1975-02-12
1976-06-01
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
134167C, B08B 902
Patent
active
039598403
ABSTRACT:
In a pipe cleaning apparatus with a rotatable lapped coil spring for insertion into a pipe to be cleaned, a flexible tube is accommodated in the coil spring throughout a length thereof which at its one end is connected to an injection nozzle in communication with an end of the flexible tube which at its opposite end is connected to a high pressure water supply source.
REFERENCES:
patent: 2244735 (1941-06-01), Silverman
patent: 2608421 (1952-08-01), Schnepp
patent: 2758917 (1956-08-01), Popp
patent: 3370599 (1968-02-01), Ciaccio
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