Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1983-11-23
1986-05-27
Roberts, Edward L.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
15 93R, 151041R, 15236B, 15242, F23J 302
Patent
active
045913897
ABSTRACT:
Flue-cleaning apparatus having longitudinal springs mounted transversely on a flexible shaft at one end, the other end of the shaft being adapted to be clamped by the chuck of a hand-held drill.
REFERENCES:
patent: 1338917 (1920-05-01), Hall
patent: 1903520 (1933-04-01), Sturgis
patent: 4353143 (1982-10-01), Beaudoin
patent: 4433449 (1984-02-01), Rainey
Roberts Edward L.
Timbie Donald N.
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