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.
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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 |
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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