An elongate strutural member comprising a structural outer shell and at least one arcuate or diagonal reinforcing member within, for use in structural, semi-structural or cladding applications to carry floor loading, walkway loading, wheeled loading, pressure loading in buildings, bridges and other loading...http://www.google.fr/patents/US20010032430?utm_source=gb-gplus-shareBrevet US20010032430 - Reinforced structural member
Numéro de demande: 09/801,047 Numéro de publication: US 2001/0032430 A1 Date de dépôt: 8 mars 2001 Brevet délivré: US6735916 ( Date de délivrance 18 mai 2004)