Composite Core with Adhesively Bonded Tubes

The patent uses composite materials by embedding discrete fibers (such as carbon, glass, or aramid fibers) within the core material matrix. This creates a composite core structure that combines the light weight of the base core material with the high strength of the embedded fibers, thereby improving mechanical strength without significantly increasing weight.

The patent applies local quality by concentrating reinforcement fibers specifically at critical locations within the core where stress and load concentrations occur. Rather than uniformly distributing material throughout the core, fibers are placed locally at cell nodes and along cell walls to provide targeted strength enhancement where most needed, maintaining overall weight efficiency.

The patent applies local quality by concentrating reinforcement fibers specifically at critical locations within the core where stress and load concentrations occur. Rather than uniformly distributing material throughout the core, fibers are placed locally at cell nodes and along cell walls to provide targeted strength enhancement where most needed, maintaining overall weight efficiency.

The patent changes the parameters of the core structure by varying fiber orientation angles, fiber density, and fiber type in different regions of the core. This allows optimization of load-carrying capability in specific directions and regions, achieving higher strength-to-weight ratio by matching material properties to local stress states rather than using a uniform heavy construction.

The patent applies local quality by concentrating reinforcement fibers specifically at critical locations within the core where stress and load concentrations occur. Rather than uniformly distributing material throughout the core, fibers are placed locally at cell nodes and along cell walls to provide targeted strength enhancement where most needed, maintaining overall weight efficiency.

The patent uses composite materials by embedding discrete fibers (such as carbon, glass, or aramid fibers) within the core material matrix. This creates a composite core structure that combines the light weight of the base core material with the high strength of the embedded fibers, thereby improving mechanical strength without significantly increasing weight.

The patent applies local quality by varying fiber orientation and density in different regions of the core to achieve uniform overall properties. By strategically placing fibers at specific angles and concentrations in different cell walls and nodes, the design compensates for the directional bias introduced by ribbon stacking, creating a more isotropic structural response.

The patent uses asymmetry by intentionally varying fiber orientation angles and densities in different regions of the core to counterbalance the inherent asymmetry of stacked ribbons. This asymmetric reinforcement strategy ensures that stiffness and strength are more evenly distributed across different directions, overcoming the directional weakness of the ribbon stacking approach.

The patent changes parameters by carefully controlling fiber orientation angles, tow spacing, and resin content during the layup process. By optimizing these parameters, the design achieves the desired flexibility and tailoring capability while maintaining dimensional stability and preventing distortion during curing.

The patent applies preliminary action by pre-configuring the fiber reinforcement pattern and properties before final assembly and curing. This includes pre-tensioning fibers, pre-positioning reinforcement layers, and pre-establishing proper layup sequences to prevent distortion and ensure dimensional accuracy before the structure is locked in place during curing.