发明名称 CONCEALED RIVET ELEMENT AND SETTING METHOD FOR RING BINDER CONSTRUCTION AND THE LIKE
摘要 A multi-layered article having a dual layer base element and adjacent element which elements are fastened together employing (1) an anvil located in the dual layer base element and (2) a deformable fastener. The deformable-end fastener is driven against the base anvil to deform the fastener-end which grips a layer of the base element once deformed.
申请公布号 CA2032161(A1) 申请公布日期 1990.11.09
申请号 CA19902032161 申请日期 1990.05.07
申请人 ACCO WORLD CORPORATION 发明人 COOPER, EDWARD W.;DEWBERRY, PETER
分类号 B42F13/16;F16B19/10;(IPC1-7):B42F13/00 主分类号 B42F13/16
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