B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 70/00 (2006.01) B32B 27/02 (2006.01) B29C 70/46 (2006.01)
Patent
CA 2438022
A method for forming composite materials is presented, including providing a composite charge wider than a first surface of a mandrel, and positioning the composite charge across the first surface of the mandrel. The portion of the composite charge overhanging the first surface of the mandrel is supported and urged against the mandrel while supporting the unbent portion of the composite charge substantially parallel to the first surface of the mandrel. The invention also provides a system, using a compression mold of forming bladders and heater plates, to form a composite charge over a mandrel, while supporting the unbent portions of the composite charge during forming substantially parallel to the upper surface of the mandrel. The present invention minimizes the shear zone where plies in the composite laminate charge slide past one another during the forming process reducing or eliminating out-of-plane fiber buckling.
Harris Christopher G.
Van West Barry P.
Willden Kurtis S.
Smart & Biggar
The Boeing Company
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