Cleaning member for cleaning the interior of heat exchanger tubes
AssigneeTaprogge Gesellschaft mbH
InventorsKlaus Eimer, Felix Kraker, Hans W. Schildmann, Gunther Schmitz, Hans Sonnenschein
Life of this patent
Estimating the term…
Abstract
Cleaning member for cleaning the interior of heat exchanger tubes by rotating, including a sponge rubber element being adapted to suit the diameter of the heat exchanger tube, and abrasive elements connected to the sponge rubber body, the abrasive elements being in the form of bristles each having a bristle shaft, and a bristle base molded into the sponge rubber ball anchoring the bristles.
Claims4
Cleaning member for cleaning the interior of heat exchanger tubes by circulating through the tubes under pressure of liquid in the tubes, comprising a spherical homogeneous element formed of uncoated sponge rubber being directly exposed to the liquid in the tubes for absorbing the liquid and having a cross section adapted to suit the diameter of the heat exchanger tube, and abrasive elements connected to said sponge rubber element, said abrasive elements being in the form of non-metallic bristles each having a bristle shaft freely extending beyond the surface of the sponge rubber element, and a bristle base directly molded into the sponge rubber of said sponge rubber element anchoring said bristles.
Dependencies are inferred from the claim text.