| 摘要 |
A space frame is provided to simplify the whole composition and to connect pipe strongly by improving a connecting structure of pipes. A space frame(300) comprises a pipe(310), a connector(320) connecting many pipes, a cone member(330) fixed to the end of the pipe and coupled with the connector, and a temporary coupling member(340) coupling the cone member to the connector temporarily and including a fastening bolt(341) and a fastening nut(342), wherein the connector and the cone member are coupled temporarily to each other by the fastening bolt and the fastening nut, and then joined to each other by welding.
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