COMPOSITE STRUCTURE FORMING ON COEFFICIENT OF THERMAL EXPANSION MISMATCHED TOOLING
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Mar 23, 2012
filing date -
Mar 23, 2012
priority date (Note) -
Abandoned
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Abstract
A mandrel used with forming composite parts includes an outer surface on which composite material is placed, and a groove in which splice material is filled. The groove may be positioned on the outer surface along the length of the mandrel. A method for forming composite parts includes the steps of providing a mandrel that includes a groove aligned with its longitudinal axis, filling the groove with splice material, cutting the composite material to match the shape and the size of the mandrel, placing the composite material around the outer surface of the mandrel, and curing the composite material and the mandrel.
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