发明名称 Hang bags having hanger portion of reinforcing member of non-shrink film laminated between two layers of shrink film
摘要 A hang bag comprises a body portion 1 and a hanger portion 2. The body portion 1 is formed of face and rear panels 3 and 4 of shrinkable film sealingly joined together at the end 6, for instance by folding. It may be a double-side weld bag. The hanger portion 2 comprises (a) face and rear layers 10 and 11 of heat shrinkable film laminated or otherwise securely extending from, respectively, the face and rear panels 3 and 4 and (b) non-shrink film reinforcing material laminated between the layers 10 and 11, and the hanger portion (2) is provided, or capable of being provided, with a perforation 13 by which the bag may be hung from a peg. Generally all laminated surfaces are corona treated in order to improve lamination.
申请公布号 US4764028(A) 申请公布日期 1988.08.16
申请号 US19860946339 申请日期 1986.12.24
申请人 W. R. GRACE & CO. 发明人 WOOD, JOHN C.;SLADOWSKI, KRZYSTJAN P.
分类号 B65D33/14;(IPC1-7):B65D33/14 主分类号 B65D33/14
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