发明名称 Integral card and method of making
摘要 A business form incorporates an improved multi-layer integral card utilizing microperforations to form ties which retain the card during machine handling and printing. The method employs a flexible steel die or engraved die cylinder with microperforations. The die penetrates all layers but the bottom laminate and the microperforations form ties to secure the card until removed for use. The combination and method of forming allows convenient removal of the card by an end user with edges on the removed card being smooth to sight and touch.
申请公布号 US6533325(B1) 申请公布日期 2003.03.18
申请号 US20000595567 申请日期 2000.06.14
申请人 TAMARACK PRODUCTS, INC. 发明人 STEIDINGER DAVID J.
分类号 B65D65/28;G09F3/02;(IPC1-7):B42D15/00 主分类号 B65D65/28
代理机构 代理人
主权项
地址