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Article: German Inventors Develop Bulk Material Layer Treatment Apparatus
- Article from:
- US Fed News Service, Including US State News
- Article date:
- July 12, 2008
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ALEXANDRIA, Va., July 12 -- Thomas Staak and Archibald Wallace, both of Hamburg, Germany, Hartmut Meyer of Buxtehude, Germany, and Helmut Wallis of Henstedt-Ulzburg, Germany, have developed an apparatus for cooling hot bulk material.
According to the U.S. Patent & Trademark Office: "The invention includes a method and an apparatus for treating, in particular cooling, a layer of bulk material by means of a stream of gas passed through it on a grate. The grate includes a plurality of elongated planks which extend in a conveying direction and are driven in advancing and return strokes in the conveying direction in such a manner that at least two adjacent planks are moved forwardly ...