Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1988-07-15
1990-05-22
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
428371, B08B 902
Patent
active
049265180
ABSTRACT:
A plastic drain auger made from plastic, such as polypropylene or polybutylene, extruded to provide an elongated member having an outward appearance similar to a helical coil. Extrusion of the plastic produces a structure having improved torsional and tensile strength which is essential so the auger can withstand fairly severe forces created as it is pushed and pulled through a drain pipe. The use of a helical coil form for the auger provides the flexibility necessary for the auger to be rotated, twisted and contorted within a drain pipe system.
REFERENCES:
patent: 3950934 (1976-04-01), Irwin
patent: 4376321 (1983-03-01), Dudley
Roberts Edward L.
Twentieth Century Companies, Inc.
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