| 摘要 |
PURPOSE: A space frame combining joint expands welded area and improves rigidity of a space frame. CONSTITUTION: A joint comprises a body(21) and a reinforcing part(22). The body is inserted into the members(11, 12) of a space frame. The reinforcing part(22) is formed on the outer surface of the body(21). The contacting point between the members(11, 12) and the body(21) or the reinforcing part(22) is welded. At least a part of the reinforcing part(22) is extended over the bottom surface of the body(21). Penetrating holes(22a) are formed on the reinforcing part(22). More than one reinforcing walls(22b) are formed inside the reinforcing part(22).
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