Patent ID: 8609226

Claim:
A high strength low density panel having an upper face opposite a lower face, said panel comprising: a. a plurality of substantially hollow sections, each said substantially hollow section having a shored face opposite a second face and four corners extending between said shored face and said second face; b. each said substantially hollow section having four sidewalls of substantially continuous material, each said sidewall extending from each corner to an adjacent corner; each said sidewall further extending from a shored border substantially coplanar with said shored face to a second border substantially coplanar with said second face; wherein each border has a midpoint and wherein each corner has a midpoint; c. each said substantially hollow section having a buttress comprising a rectangular sheet of material positioned substantially coplanar with said shored face, wherein said rectangular sheet has four corners and wherein each corner of said rectangular sheet joins one of said shored borders at about the midpoint of said shored border; each buttress further comprising a plurality of braces, each brace extending from two adjacent corners of said rectangular sheet to the one of said section corners positioned between said adjacent corners of said rectangular sheet.