发明名称 Packaging system for plastic bags
摘要 A bag package forming system including a continuous strip of multiple serverable T-shirt or handle bags wherein the mouth defined between the laterally spaced handles of each bag includes a pair of overlying foldable lips formed as integral extensions of the overlying sheets of the bag. The lips are of a height of fold over the mouth of the associated bag and define a closure for the mouth to preclude the entry of air thereto and the ballooning of the bag.
申请公布号 US4807754(A) 申请公布日期 1989.02.28
申请号 US19880161821 申请日期 1988.02.29
申请人 SONOCO PRODUCTS COMPANY 发明人 ROWE, E. R.
分类号 B65D33/00;(IPC1-7):B65D33/10 主分类号 B65D33/00
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