Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1981-06-09
1983-05-17
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
B08B 904
Patent
active
043833462
ABSTRACT:
Cleaning member for cleaning the interior of heat exchanger tubes by rotating, including a sponge rubber body having a given diameter, an adhesive film disposed on the sponge rubber body, and an abrasive layer formed of granular abrasive elements being fastened on the sponge rubber body by the adhesive film, the granular abrasive elements having an average linear dimension being smaller than the given diameter of the sponge rubber body, and the granular abrasive elements being disposed in a loose packing causing the abrasive layer to be deformable together with the sponge rubber body.
REFERENCES:
patent: 3204274 (1965-09-01), Knapp
patent: 4016620 (1977-04-01), Powers
patent: 4077079 (1978-03-01), Knapp
Bochinski Rolf
Eimer Klaus
Schildmann Hans W.
Schmitz Gunther
Greenberg Laurence A.
Lerner Herbert L.
Roberts Edward L.
Taprogge Gesellschaft mbH
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