发明名称 Self opening bag stack and method of making same
摘要 A plurality of stacked polyethylene film bags comprising about 40-48 wt. % high density, high molecular weight polyethylene, 12-20 wt. % high density, medium molecular weight polyethylene, 20-30 wt. % linear low density polyethylene, 0-8 wt. % color concentrate, are releasably adhered together in substantial registration. Each of the bags includes front and rear polyethylene film walls and each of the front and rear walls have first and second side edges, a top edge and a bottom edge. The front and rear walls are integrally joined at their first and second side edges and secured together at their bottom edges. An open mouth portion is defined adjacent the top edges of the bag. At least an upper portion of the outer surface of the front and rear walls of each of the bags has been corona treated. T-shirt style bags using the above formulation are also described.
申请公布号 US2005041890(A1) 申请公布日期 2005.02.24
申请号 US20030644435 申请日期 2003.08.19
申请人 TAN DANIEL BRIAN 发明人 TAN DANIEL BRIAN
分类号 B65D30/00;B65D33/00;(IPC1-7):B65D30/00 主分类号 B65D30/00
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