发明申请
- 专利标题: Clinch Pin Fastener
- 专利标题(中): 针扣紧固件
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申请号: US12757480申请日: 2010-04-09
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公开(公告)号: US20110097172A1公开(公告)日: 2011-04-28
- 发明人: Michael J. Maloney
- 申请人: Michael J. Maloney
- 申请人地址: US DE Wilmington
- 专利权人: PEM MANAGEMENT, INC.
- 当前专利权人: PEM MANAGEMENT, INC.
- 当前专利权人地址: US DE Wilmington
- 主分类号: F16B13/06
- IPC分类号: F16B13/06
摘要:
A clinch-type fastener is formed by simultaneously creating an undercut during the same forging that creates the head and displacer of the fastener. A fastener blank is compressed end-to-end between top and bottom dies whereby the axial compression of a blank causes the outward bulging of the shank at its midline. Simultaneously, a tapered end point and a tangential interference band are formed provided by a curvilinear-shaped bulge in the shank. As the bulge is formed an undercut is created between the bulge and a shoulder which extends downwardly from a head of the fastener. This method of formation and the fastener produced thereby are particularly suited to the manufacture of small clinch pins having a diameter in the range of 1.0 mm.
公开/授权文献
- US08297899B2 Clinch pin fastener 公开/授权日:2012-10-30