Patent ID: 9493950
Filing Date: 2016-11-15
CPC Classification: E04C,Y10S,Y10T

Claim Text:
1. A composite I-beam member to provide support to a structure, comprising: a confined top flange comprising a wooden core and a metal jacket wrapped around an outer perimeter of the wooden core and two opposing inner side walls of a rectangular channel slotted within the wooden core, wherein the metal jacket is pre-stressed to confine the wooden core, providing a two-way lateral interaction normal to an interface between the metal jacket and the wooden core and, when subjected to compression, providing an amount of support to the confined top flange surpassing the sum of amount of support provided by the metal jacket and the wooden core when being used separately; a confined bottom flange comprising substantially a mirror image of the confined top flange; and a web board, made of wooden materials with a top edge portion inserted into and locked with the confined top flange and a bottom edge portion inserted into and locked with the confined bottom flange, wherein a metal connector penetrates the two side walls of the slotted rectangular channel and four layers of metal including each of the metal jackets on the outer perimeter of the confined top flange and the confined bottom flange and each of the metal jackets on the inner side walls of the slotted rectangular channel of the confined top and bottom flange, and the metal connectors penetrate the web board engaged within the slotted rectangular channel of the confined top and bottom flange.