초록

A composite truss structure employs a sandwich-in-sandwich construction in which a composite fluted core is sandwiched between two facesheets, and at least one structural foam stiffener is sandwiched within the core or between the facesheets and/or the core.

대표청구항 ▼

What is claimed is: 1. A method of making a composite truss panel, comprising:forming a plurality of composite flutes;placing the flutes between the first and second facesheets;joining the flutes to the first and second facesheets; and,sandwiching at least one structural foam stiffener between first

What is claimed is: 1. A method of making a composite truss panel, comprising:forming a plurality of composite flutes;placing the flutes between the first and second facesheets;joining the flutes to the first and second facesheets; and,sandwiching at least one structural foam stiffener between first and second planar facesheets, said first and second planar face sheets separate from one another, said at least one structural foam stiffener between sidewalls of adjacent flutes or between at least one of a respective top and bottom wall of said flutes and a respective first or second facesheet.