专利名称：Friction stir welding method
发明人：Masakuni Ezumi,Kazushige Fukuyori,Tetsuya
Matsunaga
申请号：US09644050申请日：20000823公开号：US06354483B1公开日：20020312
专利附图：
摘要：The abutted face plates of frame members are joined using friction stir welding.Next, a connection member is mounted on seats formed in the frame members, while aprojection of one end of the connection member is inserted into a groove of an end
portion of a face plate of the frame member. Next, the other end of the connectionmember is temporarily welded to the face plate of the hollow frame member. With thiscondition, an abutted portion of the face plate and the connection member are joinedusing friction stir welding. Then, the overlapped portion between the other end of theconnection member and the frame member is joined by friction stir welding. When thehollow frame members are welded from one side, a temporary welding of the connectionmember can be reduced.
申请人：HITACHI, LTD.
代理机构：Antonelli, Terry, Stout & Kraus, LLP
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