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专利名称：Splined fastener
发明人：Anthony Joseph Tyson,Roger Andrew
Williams
申请号：US14114023申请日：20120425公开号：US09217454B2公开日：20151222
专利附图：
摘要：A fastener () for securing a workpiece comprising a plurality of workpiecemembers, said fastener comprising a shank () and a radially enlarged head (), wherein thefastener further comprises axial voids () and splines () provided on the internal wall of the
bore of the fastener, such that when the fastener is installed into a workpiece by amandrel, breakstem or pin, once the shank of the fastener has contacted with the wallsof the workpiece apertures, the crests of the splines are deformed by the mandrel,breakstem or pin, and material of the crests is displaced into the voids.
申请人：Anthony Joseph Tyson,Roger Andrew Williams
地址：Dunstable Bedfordshire GB,Bushey Hertfordshire GB
国籍：GB,GB
代理机构：Hahn, Loeser & Parks LLP
代理人：Arland T. Stein
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