Cleaning elements for inside cleaning of the tubes of tube-type heat exchangers and method of manufacturing same
AssigneeTaprogge Gesellschaft mbH
InventorGunther Schmitz
Life of this patent
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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.
Claims10
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, comprising a sphere with a center foamed in a closed mold, said sphere being formed of an open-cell sponge rubber core being condensed toward the surface of said sphere into a gradually denser open-pore water-permeable skin integral with said core.
Dependencies are inferred from the claim text.