COMPOSITE TUBE, METHOD OF PRODUCING FOR A COMPOSITE TUBE, AND USE OF A COMPOSITE TUBE
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United States of America Patent
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app pub date -
Feb 12, 2007
filing date -
Aug 12, 2004
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Abandoned
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Abstract
To provide a tube which is particularly well matched to the specific demands imposed in special application areas, such as for example hydropyrolysis, the invention proposes a composite tube having a first part-tube and a second part-tube, in which--one part-tube is arranged in the other part-tube,--the first part-tube is a centrifugally cast tube, and--the second part-tube has been produced by pressure treatment from a powder.
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