Method of forming a composite structure
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United States of America Patent
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Jul 20, 2010
Grant Date -
Apr 30, 2009
app pub date -
Oct 27, 2008
filing date -
Oct 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a composite structure including a plurality of sheets and a radius filler. The radius filler is adapted to fill a gap at least partially formed by the sheets of the composite structure. The radius filler includes a plastic material with a first curing temperature. The sheets include a plastic material with a second curing temperature. The method includes arranging the sheets in a desired shape, applying the radius filler material into the gap, exposing the sheets and the radius filler material to the first temperature, whereby the material of the radius filler cures, and exposing the sheets and the radius filler to the second temperature, which exceeds the first temperature, whereby the material of the sheets cures. A radius filler for filling gaps between sheets of a composite structure. The material of the radius filler has a curing temperature which is below the curing temperature of the sheets of the composite structure.
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