发明名称 METHOD TO BUILD FRAMEWORK CONSTRUCTIONS
摘要 Method to build space framework constructions with a triangular cross section designed above all for unstayed towers, stayed masts and as components in large power-line pylons. As frame girders you use a section of rolled steel having flanges which are plane and of equal size. The intermediate web connecting the flange edges is about twice as thick as the flanges.
申请公布号 WO8704204(A1) 申请公布日期 1987.07.16
申请号 WO1986SE00593 申请日期 1986.12.30
申请人 SSAB SVENSKT STAOL AB 发明人 JOHANSSON, ALF, GUNNAR, GOTTFRID
分类号 E04B1/24;E04B;E04B1/19;E04B1/58;E04C3/04;E04H12/10;(IPC1-7):E04B1/24 主分类号 E04B1/24
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