Cleaning member for cleaning the interior of heat exchanger tubes

US4383346A · kind A · utility

Assignee

• Taprogge Gesellschaft mbH · DE

Inventors

• Rolf Bochinski · Duisburg, DE
• Klaus Eimer · Ratingen, DE
• Hans-Werner Schildmann · Heiligenhaus, DE
• Gunther Schmitz · Odenthal, DE

Key dates

• Filing date: Jun 9, 1981
• Grant date: May 17, 1983
• Expiry date: Jun 9, 2001

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F28G1/12
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

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.