A structural member formed from a billet, each member comprising a plurality of corrugated paperboard sheets bonded together with an adhesive and disposed between a core fibre layer, each core fibre layer comprising at least one ply of a fibreboard sheet, a pair of caps of a solid fibreboard...http://www.google.com/patents/US5685234?utm_source=gb-gplus-sharePatent US5685234 - Structural member and pallet made therewith and method
