发明名称 PULL BEAD AND GUIDE RAILS FOR EASY OPEN FLEXIBLE CONTAINERS
摘要 IMPROVED PULL BEAD AND GUIDE RAILS FOR EASY OPEN FLEXIBLE CONTAINERS An easy-open container having a membrane forming the top edge of the container and hermetically sealing the contents thereof.. The membrane is disposed inward from the mouth of the bag, leaving portions of the bag walls extending upward beyond the container top edge to form guide rails which facilitate opening of the container to gain access to the bag contents. A membrane for sealing the mouth opening of a bag-like structure. A method for making a membrane as aforesaid and a method for making an easy-open container having the structure aforesaid are also provided.
申请公布号 CA2052328(A1) 申请公布日期 1992.04.10
申请号 CA19912052328 申请日期 1991.09.26
申请人 ILLINOIS TOOL WORKS INC. 发明人 LAPIERRE, FRANK;MCDONALD, DANIEL P.
分类号 B31B1/90;B65D33/25 主分类号 B31B1/90
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