Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1976-05-21
1977-08-30
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
137268, B08B 904
Patent
active
040444180
ABSTRACT:
A scrubbing apparatus comprising an outer cylinder and a rod which is longer than the cylinder and which slidably and sealingly fits within the outer cylinder. The rod has a transverse through-hole for insertion of a scrubbing element.
REFERENCES:
patent: 2755742 (1956-07-01), Vincent
patent: 2893028 (1959-07-01), Scaramucci
patent: 3000028 (1961-09-01), Buie et al.
patent: 3063080 (1962-11-01), Bergman et al.
patent: 3146477 (1964-09-01), Bergman et al.
patent: 3283354 (1966-11-01), Simmons
patent: 3883431 (1975-05-01), Ishii
Ishii Masaichi
Mihara Kazuo
Daicel LTD.
Roberts Edward L.
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