发明名称 |
Self-locking internally threaded fastener & method of manufacture |
摘要 |
The present invention is directed to an internally threaded prevailing-torque type self-locking fastener which employs a patch of fused thermoplastic material as the locking element and which satisfies the functional torque requirements of both IFI 100/107 (1987) and IFI 101 (1987). In accordance with the present invention the fastener comprises a metal body having a bore extending to its opposing ends, the bore having a threaded surface; a patch of polymeric material applied and fused to a portion of the threaded surface; and the fastener meeting the prevailing-torque characteristics specified in both IFI 100/107 (1987) and IFI 101 (1987). The invention is also directed to a process wherein an internally threaded fastener is processed by first applying and fusing a polymeric resin material to at least a portion of the fastener's threaded surface and thereafter conditioning the frictional properties of the fastener such that its prevailing torque performance characteristics meet both IFI 100/107 (1987) and IFI 101 (1987).
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申请公布号 |
US2001046428(A1) |
申请公布日期 |
2001.11.29 |
申请号 |
US20010924706 |
申请日期 |
2001.08.08 |
申请人 |
DUFFY RICHARD J.;SESSA EUGENE D. |
发明人 |
DUFFY RICHARD J.;SESSA EUGENE D. |
分类号 |
F16B39/22;F16B39/282;F16B39/34;(IPC1-7):F16B39/22 |
主分类号 |
F16B39/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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