发明申请
US20100056284A1 NUT, FEMALE THREAD MACHINING DEVICE AND FEMALE THREAD MACHINING METHOD
有权
NUT，母螺纹加工装置和母螺纹加工方法
- 专利标题： NUT, FEMALE THREAD MACHINING DEVICE AND FEMALE THREAD MACHINING METHOD
- 专利标题（中）： NUT，母螺纹加工装置和母螺纹加工方法
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申请号： US12547001申请日： 2009-08-25
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公开(公告)号： US20100056284A1公开(公告)日： 2010-03-04
- 发明人: Yota Eguchi , Hiroki Fujiuchi , Naoki Takahashi , Toshihiro Murakawa
- 申请人： Yota Eguchi , Hiroki Fujiuchi , Naoki Takahashi , Toshihiro Murakawa
- 申请人地址： JP Tokyo
- 专利权人： HONDA MOTOR CO., LTD.
- 当前专利权人： HONDA MOTOR CO., LTD.
- 当前专利权人地址： JP Tokyo
- 优先权： JP2008-217937 20080827; JP2008-217942 20080827; JP2008-217946 20080827
- 主分类号： B21K1/64
- IPC分类号： B21K1/64 ; F16B39/28
摘要：
There is provided a nut having a thread portion having a female thread, a metallic plate portion having a base segment, and a hardness gradient portion provided between the thread portion and the metallic plate portion. The thread portion, metallic plate portion and the hardness gradient portion are monolithic each other, a metallographic structure of the metallic plate portion differs from a metallographic structure of the thread portion and a hardness of the hardness gradient portion is lower than a hardness of the thread portion and lowers from the thread portion toward the metallic plate portion.
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