发明名称 Sealing gussets together through apertures in multi-wall paper and woven polypropylene packages or bags
摘要 Reclosable gusseted packages or bags have improved resistance to leaking or spilling through the gussets by sealing the gussets together through apertures in the gusset walls, by sealing the zipper flanges together through apertures passing through the gussets in the package or bag, or by sewing the gussets shut in areas proximate to the zipper.
申请公布号 US2008267539(A1) 申请公布日期 2008.10.30
申请号 US20070789262 申请日期 2007.04.24
申请人 ILLINOIS TOOL WORKS INC. 发明人 HOWELL CLIFTON R.;OWEN KEVIN
分类号 B65D33/24 主分类号 B65D33/24
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