发明名称 Method of forming a filled pouch
摘要 A method of forming a flexible pouch which includes a sealed product-containing pocket, and which pouch also incorporate integral collar-forming structure adapted to enable the pouch to be suspended from an object, such as a bottle neck or the like. More particularly, the invention provides for a method of continuously forming a sequence of pouches, wherein the pouches are produced through successive process steps from two superimposed flexible sheet material webs having pocket-forming seals and collar structure formed therein. Additionally, there are provided flexible pouches incorporating sealed product-containing pockets and integral collar-forming structure through the inventive method.
申请公布号 US4706439(A) 申请公布日期 1987.11.17
申请号 US19860903738 申请日期 1986.09.04
申请人 BARTON, LEWIS 发明人 BARTON, LEWIS
分类号 B31B23/00;B65D21/02;(IPC1-7):B65D30/00 主分类号 B31B23/00
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