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1. 发明专利

JP2003326369A Welded nut 审中-公开
标题翻译：焊接螺母
公开(公告)号：JP2003326369A
公开(公告)日：2003-11-18
申请号：JP2002139917
申请日：2002-05-15
申请人： Sugiura Seisakusho Co Ltd , 株式会社杉浦製作所
发明人： NOMURA KEIJI , WATANABE TAIZO
IPC分类号： F16B37/06 , B23K11/14
摘要： PROBLEM TO BE SOLVED: To improve the adhesivity between a nut body and a member to be welded by reducing a gap developed between both materials caused by uneven fusion of molten metal of mainly a projection developed at the welding time of a welded nut.
SOLUTION: The welded nut composed of an integral metallic material is provided with a shaft part and a flange part projected to the outer part from the end part at the one side of the shaft part, and the shaft part is formed as a hollow cylindrical state and a female screw is formed on the inner peripheral surface. Further, on the surface under contacting with the welding surface on the flange part, a plurality of projections for welding are disposed. A concave part for inserting the melting part of the projection with the welding is formed to the outer peripheral end edge of the flange part from the shaft part along this projection. In this way, the molten metal is made to flow into the concave part and the adhesivity between the nut body and the member to be welded, can be improved.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：通过减少在焊接螺母的焊接时间产生的主要熔融金属的熔融金属的不均匀熔合引起的两种材料之间形成的间隙，从而提高螺母体和待焊接部件之间的粘合性。解决方案：由整体金属材料构成的焊接螺母设置有从轴部的一侧的端部向外侧突出的轴部和凸缘部，轴部形成为在内周面上形成中空圆筒状和内螺纹。此外，在与凸缘部上的焊接面接触的表面上，设置有多个用于焊接的突起。通过该突起，从轴部向凸缘部的外周端缘形成有用于将焊接部的熔融部插入的凹部。以这种方式，使熔融金属流入凹部，并且可以提高螺母体与待焊接部件之间的粘接性。版权所有（C）2004，JPO

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