Process for producing tubular ceramic structures of non-circular cross section
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United States of America Patent
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Feb 18, 2014
Grant Date -
Mar 7, 2013
app pub date -
Sep 1, 2011
filing date -
Sep 1, 2011
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Abstract
Tubular ceramic structures of non-circular cross section, e.g., anode components of tubular fuel cells of non-circular cross section, are manufactured by applying ceramic-forming composition to the external non-circular surface of the heat shrinkable polymeric tubular mandrel component of a rotating mandrel-spindle assembly, removing the spindle from said assembly after a predetermined thickness of tubular ceramic structure of non-circular cross section has been built up on the mandrel and thereafter heat shrinking the mandrel to cause the mandrel to separate from the tubular ceramic structure of non-circular cross section.
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