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发明名称
抽管加工用插塞及使用该插塞之管制造方法
摘要
本发明相关的抽管加工用插塞1,是直部11和斜部12由曲面部13连接形成。其特征为,曲面部13是于包括插塞1中心轴的剖面,具有曲率中心位于直部11及斜部12之外方的指定曲率半径R,其与直部11成连接之连接点131附近的倾斜是和直部11的倾斜大致相同的同时,其与斜部12成连接之连接点132附近的倾斜是和斜部12的倾斜大致相同。
申请公布号
TW200804011
申请公布日期
2008.01.16
申请号
TW096113515
申请日期
2007.04.17
申请人
住友金属工业股份有限公司
发明人
别府研一;黑田浩一;奥井达也
分类号
B21C3/16(2006.01);B21C1/02(2006.01)
主分类号
B21C3/16(2006.01)
代理机构
代理人
林志刚
主权项
地址
日本
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