The Boeing Company

Shane Frank Cuda

Mark Ronald McLaughlin

Lyle Ray Deobald

Thomas Joseph Kennedy

David Bruce Smith

Michael Robert Rush

Nihar Ashokkumar Desai

Colin Lee Farr

J Steve Mills

Joshua Amory Ross

Jeff C Unger

Bevan R Whitaker

Mark Ronald Mclaughlin

A stiffened panel comprises a composite panel, and a stiffener including a base flange on the composite panel. The base flange is tapered towards the panel. The stiffened panel further comprises a composite overwrap layer on only the composite panel and a tapered surface of the base flange.

Stiffened composite panels

Methods and apparatus are provided for a composite structural material. A non-solid composite section that is filled with a structural foam that reduces the weight of the composite structural material. A solid composite section that is coupled to the non-solid composite section. The solid composite section is an area for structural attachment for the composite structural material. A region adjoining the non-solid composite section to the composite section is radiused to reduce stress when the structural foam is bonded to the region. The radius in the region prevents delamination and cracking of the structural foam when a load is placed on the composite structural material.

Composite structural material and method therefor

Growing community of inventors

Long Beach, CA, United States of America

Shane Frank Cuda