Patent ID: 11884794
Assignee: TEXTRON INNOVATIONS INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 14:
15. A method for providing a component, the method comprising:
preparing a pourable foam, comprising:
combining a barium sulfate powder component with a first resin component;
controlling energy attenuating properties of the pourable foam by selecting a proportion of the barium sulfate component in the foam to create a foam cell size in the range of 0.006 to 0.017 inches; and
mixing the combination of the first resin component and the barium sulfate powder with a second resin component to create the pourable foam;

depositing the pourable foam in a void region between an upper skin and a lower skin of a composite component; and
allowing the pourable foam to cure in the void region.