发明名称 Molded stand-off
摘要 A self-clinching stand-off to be embedded into thin sheeted material. The stand-off comprises a base produced on a "screw machine" and an extension molded thereto. The extension is formed from a material which is softer than that of the base. Further, the extension may vary in length for a given base.
申请公布号 US4130138(A) 申请公布日期 1978.12.19
申请号 US19770802116 申请日期 1977.05.31
申请人 PENN ENGINEERING & MANUFACTURING CORP. 发明人 SWANSTROM, KENNETH A.
分类号 F16B9/00;(IPC1-7):F16B37/04 主分类号 F16B9/00
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