发明授权
US07552610B2 Thread forming method, thread forming device, and thread forming tool
失效
螺纹成型方法，螺纹成型装置和螺纹成型工具
- 专利标题： Thread forming method, thread forming device, and thread forming tool
- 专利标题（中）： 螺纹成型方法，螺纹成型装置和螺纹成型工具
-
申请号： US11555269申请日： 2006-10-31
-
公开(公告)号： US07552610B2公开(公告)日： 2009-06-30
- 发明人: Hiroki Fujiuchi , Toshihiro Murakawa , Naoki Takahashi
- 申请人： Hiroki Fujiuchi , Toshihiro Murakawa , Naoki Takahashi
- 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
- 代理机构： Rankin, Hill & Clark LLP
- 优先权： JP2005-318271 20051101
- 主分类号： B21C37/29
- IPC分类号： B21C37/29 ; B21H3/02 ; B21J13/02
摘要：
A thread forming device 10a is provided with a thread forming tool 32 for forming a thread portion 14 at a frame 12, a first motor 38 for controlling to rotate the thread forming tool 32, and a second motor 40 for controlling to extract and retract the thread forming tool 32. Further, the thread forming tool 32 is provided with a pilot hole forming portion 86 provided with a spiral groove 80b at a front end portion 80 in a taper shape, and a thread forming portion 84 constituted continuously to the pilot hole forming portion 86 and provided with a spiral groove 84b.
公开/授权文献
信息查询
