发明名称 Packing bag made from a film tube
摘要 A packing bag (1), which is open-ended for filling purposes, is made from a film tube and has a removable film tab (10) at its open end (4). The tab is connected to the flat side (5) of the bag by a weld seam. The tab is provided with two wicket perforations (6, 7) and has an additional score line (12) between the wicket perforations and weld seam (9).
申请公布号 US4988213(A) 申请公布日期 1991.01.29
申请号 US19890367941 申请日期 1989.06.19
申请人 M & W VERPACKUNGEN MILDENBERGER & WILLING GMBH & CO. 发明人 MATTLE, HELMUT
分类号 B65D33/00 主分类号 B65D33/00
代理机构 代理人
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