Cleaning elements for inside cleaning of the tubes of tube-type heat exchangers and method of manufacturing same
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United States of America Patent
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Nov 5, 1985
Grant Date -
N/A
app pub date -
May 16, 1983
filing date -
May 14, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cleaning element for cleaning the interior of heat exchanger tubes by being carried along by a cooling water stream and automatically squeezed through the tubes by the cooling water stream, includes a sphere foamed in a closed mold, the sphere being formed of an open-cell sponge rubber core and an open-pore water-permeable skin integral with the core.
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