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US 12,325,217 B2Granted
Combined material honeycomb core
AssigneeThe Boeing Company
InventorsKishora Shetty, Vishnuraj Linga Raj, Jayakumar Palani, Vigneshwaramoorthy Kannaian
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Abstract
A combined material honeycomb core and methods of manufacture are presented. The combined material honeycomb core comprises a plurality of cells arranged in columns and rows formed of multiple materials, the multiple materials comprising a metallic material and either a second metallic material or a non-metallic material.
Claims20
A method of manufacturing a combined material honeycomb core, the method comprising:
- printing adhesive lines onto a sheet of a metallic material and a sheet of a meta-aramid material;
- cutting the sheet of the metallic material and the sheet of the meta-aramid material into portions;
- stacking the portions to form a stack comprising alternating layers of adjacent sheets of the metallic material and the meta-aramid material;
- curing the adhesive in the stack to form an adhered stack;
- and
- forming, by expanding the adhered stack, the combined material honeycomb core.
3 more elements
A method of manufacturing a combined material honeycomb core, the method comprising:
- corrugating a plurality of sheets of a metallic material and forming a first plurality of sheets of corrugated material;
- corrugating a plurality of sheets of a meta-aramid material and forming a second plurality of sheets of corrugated material;
- adhering the first plurality of sheets of corrugated material and the second plurality of sheets of corrugated material in a stack of sheets comprising alternating adjacent sheets from the metallic material to the meta-aramid material and forming a honeycomb having an array of cells;
- and
- curing the adhesive joining the array of cells of the honeycomb and forming the combined material honeycomb core.
2 more elements
Dependencies are inferred from the claim text.