Method and apparatus for forming corrugated materials using...

Details Method and apparatus for forming corrugated materials using... Method and apparatus for forming corrugated materials using...

B - Operations, Transporting

29

C

154/53.1, 154/72

B29C 33/44 (2006.01) B29C 33/48 (2006.01) B29C 61/00 (2006.01) B29C 70/44 (2006.01) B29C 43/12 (2006.01)

Patent

CA 1286582

ABSTRACT OF THE DISCLOSURE A base layer of fabric sheets impregnated with bonding material is deposited on a mold form. A plurality of parallel spaced hollow cores, fabricated from memory metal alloy, are positioned on the base layer. An overlying layer is then positioned over the cores and the base layer, the overlying layer also being impregnated with bonding material. The assembly is subjected to heat and temperature to cure all the layers. The core is then subjected to a critical temperature causing the core to shrink and permitting its easy removal. The result is a base layer to which the overlying layer is bonded, the overlying layer characterized by corrugations which stiffen the entire structure and increase its structural strength.

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