Rigidized resinous foam core sandwich structure

Details Rigidized resinous foam core sandwich structure Rigidized resinous foam core sandwich structure

B - Operations, Transporting

32

B

154/117, 154/70.

B32B 5/00 (2006.01) B29C 70/08 (2006.01) B29C 70/24 (2006.01) B32B 5/24 (2006.01) B32B 7/04 (2006.01) E04C 2/24 (2006.01)

Patent

CA 1124164

ABSTRACT OF THE DISCLOSURE An improved rigidized resinous foam core sandwich structure is formed by the following method: Threading a length of high tensile strength fiber through the fiber glass sheets placed contiguous the oppo- site longitudinal faces of a flexible open-celled foam sheet and through the foam sheet in a manner to provide a contin- uous series of fiber segments which interconnect the fiber glass sheets; Impregnating the flexible open-celled foam sheet and the fiber glass sheets with a settable resin containing a curing agent; and Molding the foam core sandwich into the desired shape and holding it in place while the resin cures.

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