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1. 发明申请

WO2018057593A1 SELF-DRILLING, SELF-COUNTERSINKING FASTENER 审中-公开
标题翻译：自钻，自攻紧固件
公开(公告)号：WO2018057593A1
公开(公告)日：2018-03-29
申请号：PCT/US2017/052457
申请日：2017-09-20
申请人： SFS INTEC HOLDING AG , SCHEERER, Daniel , COLE, James
发明人： SCHEERER, Daniel , COLE, James
IPC分类号： F16B23/00 , F16B39/282
摘要： A self-drilling, self-countersinking fastener is provided that includes a shaft, a countersunk head located at a first end of the shaft, and a tapered point located at an opposite end of the shaft. A thread integrally extends from the shaft and extends along at least a portion of a length thereof. The countersunk head includes a frustoconical region having a first, smaller diameter in a shaft connection region and a second, larger diameter at a second end defining an edge area of the head. A plurality of radially extending ribs are located on the frustoconical region and extend from an area of the first, smaller diameter to a respective radially outer rib end spaced radially inwardly by a distance X from the edge area of the head. A respective cutting edge is located on each of the ribs.
摘要翻译：提供一种自钻式自沉孔紧固件，其包括轴，位于轴的第一端处的沉头以及位于轴的相对端处的锥形点。螺纹从轴整体延伸并沿其长度的至少一部分延伸。沉头包括截头圆锥形区域，其具有在轴连接区域中的第一较小直径和在限定头部的边缘区域的第二端部处的第二较大直径。多个径向延伸的肋位于截头圆锥形区域上，并且从第一较小直径的区域延伸到相应径向外肋端，该端部径向向内与头部的边缘区域间隔距离X。各自的切削刃位于每个肋条上。

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