发明名称 COMPOSITE CONSTRUCTION BEAM
摘要 A composite construction beam comprising a first chord and a second chord connected by a web, wherein the first and second chords are made of wood or a wood product and the web is made of a material other than wood or a wood product such as polymer or aluminum. A method of constructing a composite beam includes forming a web from a material other than wood or a wood product and securing it to a first and second chords, which are made of wood or a wood product.
申请公布号 US2009249742(A1) 申请公布日期 2009.10.08
申请号 US20070817294 申请日期 2007.05.11
申请人 INTERNATIONAL CONTRACTORS SERVICES LLC 发明人 LIDDELL WILLIAM D.;SENGEL GUENTER W.
分类号 E04C3/292;B21D47/01;E04B1/30 主分类号 E04C3/292
代理机构 代理人
主权项
地址