FIELD: machine building.
SUBSTANCE: grid fibrous composite structure contains grid out of multi-cell modules containing at least three u-shape ribs made out of fibrous composite layer, and foam core ensured inside each cell-module to support u-shape ribs. The foam core along the base is located in line with one flat covering section. At least one layer of straps is ensured outside flat covering section, and outside plate is secured by one side to the cell-modules in line with one flat covering sections.
EFFECT: creation of the composite structure for local force application with additionally improved stiffness and high ratio strength to weigh.
14 cl, 17 dwg
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Authors
Dates
2015-06-10—Published
2013-12-13—Filed