发明名称 Multi-layered bag and method of manufacture
摘要 The present invention relates to a multi-layered bag which includes an inner bag located within the interior of an outer bag, where the outer bag including a first and second region of weakness. The inner bag includes a region of weakness adjacent to the outer bag's second region of weakness. The multi-layer bag has the inner and outer bags sealed closed and together adjacent to the outer bag's second region of weakness. A method of manufacturing such a multi-layered or composite bag is also disclosed.
申请公布号 US2004022462(A1) 申请公布日期 2004.02.05
申请号 US20030398163 申请日期 2003.07.16
申请人 MARKHAM MICHAEL CLEMENTS 发明人 MARKHAM MICHAEL CLEMENTS
分类号 B65D30/08;(IPC1-7):B65D30/08 主分类号 B65D30/08
代理机构 代理人
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