发明授权
- 专利标题： Strengthened folder with inserted elements and system for element interchangeability
- 专利标题（中）： 加强的文件夹，插入元素和系统元素互换性
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申请号： US12034403申请日： 2008-02-20
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公开(公告)号： US08104669B2公开(公告)日： 2012-01-31
- 发明人: Duane Christensen , Michael Lasky
- 申请人： Duane Christensen , Michael Lasky
- 申请人地址： US MN Hastings
- 专利权人： Smead Manufacturing Company
- 当前专利权人： Smead Manufacturing Company
- 当前专利权人地址： US MN Hastings
- 代理机构： Altera Law Group, LLC
- 主分类号： B65D27/00
- IPC分类号： B65D27/00 ; B42D1/00 ; B42F13/00
摘要：
A folder system with an accordion spine 16, and a method of making same is disclosed. The folder may have a plurality of insert elements 52, 60 either at manufacture or by a stub system which are bound into the spine at the valleys 32 of the web which forms the spine. The web is made of outer zig-zag web 40, with the inner web 42, 44, 46 joining adjacent insert elements and the outer web, to create a strong spine of web and inserts.
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