发明名称 Bolted metal joist and method of manufacturing the same
摘要 A joist (10) comprises an upper chord (12), a lower chord (14) and a plurality of compression and tension webs (16/18) extending between the chords (12/14) and secured thereto by means of bolts (50). A single bolt (50) per connection or nodal point is used to secure the compression and tension webs (16/18) to the chords (12/14). The metal joist (10) can easily be assembled in a shop or directly on site without highly qualified labor.
申请公布号 AU4279000(A) 申请公布日期 2000.11.10
申请号 AU20000042790 申请日期 2000.04.20
申请人 BOLMETCO INC. 发明人 GEORGES GOSSELIN;VLADIMIR GOCEVSKI
分类号 B21D47/04;E04C3/04;E04C3/08;E04C3/09 主分类号 B21D47/04
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