发明申请
US20120070103A1 BAG AND A METHOD OF MANUFACTURING A BAG 审中-公开
袋和制造袋的方法

BAG AND A METHOD OF MANUFACTURING A BAG
摘要:
A method of making a bag by engaging an inverted zipper assembly with a first panel of a polymeric tube, bonding the first panel and the zipper assembly to form a seal therebetween, folding over a stepped end of the tube onto the zipper assembly; and bonding the stepped end and the zipper assembly to form a seal therebetween.
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