Importance

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Abstract

Solid panels, composite panels, sandwich panels, tabletops, countertops, and doors made with any type of inner core material tend to warp, bend, or twist during the service life of the product. Prior solutions included adding, inserting, or embedding steel rods, steel frames, even steel pipes in an effort to reduce warping, but this adds considerable weight to the end product introducing a whole new set of problems. Aluminum tubes or extrusions are a lighter weight alternative to steel but also come with its own set of challenges, especially for sanding and gluing. This invention will address these issues while remaining lightweight, increasing strength, and preventing and tendencies to warp.

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First Claim