发明名称 Method of making gusseted bags from plastic sheet
摘要 The method for producing a bag (1) with folded sides out of a section of a flat hose foil consists of: (a) cutting or perforating an end of the foil so that in the folded state of the foil the bottom wall (2) extends beyond the top wall (4); (b) providing the layers (2, 3) with an appropriate adhesive; (c) folding the bottom wall about the line (5); and (d) pressing it against the front wall.
申请公布号 EP1228857(A3) 申请公布日期 2003.04.09
申请号 EP20010129808 申请日期 2001.12.14
申请人 WINDMOELLER & HOELSCHER KG 发明人 KOEHN, UWE
分类号 B31B19/60 主分类号 B31B19/60
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