发明名称 PROCESS FOR MANUFACTURING A CLINCH NUT, AND CLINCH NUT THUS OBTAINED.
摘要 The method involves cutting a metallic crude piece (1) and deforming the piece by cold striking to obtain an outline (2) with a recessing zone (3). The outline undergoes heat treatment by annealing cold striking operation to form a boring (8) that is tapped and repressed to form an internal threading (10) in the boring. The outline undergoes heat treatment after and before formation of the zone and boring, respectively. An Independent claim is also included for an embedded nut.
申请公布号 MXPA04001990(A) 申请公布日期 2005.02.17
申请号 MX2004PA01990 申请日期 2004.03.02
申请人 BOLLHOFF OTALU S.A. 发明人 PATRICE BRUN
分类号 F16B37/04;B21K1/60;B21K1/70;B23P15/00;F16B33/06;F16B37/06;(IPC1-7):B21K1/70 主分类号 F16B37/04
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