发明名称 Process and device for preparing a packaging blank and packaging prepared by such blank
摘要 Packaging, particularly for a carton of cigarette packs, includes opening structure permitting easy access to one or more of the objects or packs of cigarettes which it contains. The opening structure includes a line of pre-weakened resistance, comprising pre-cuts, either passing completely through the material constituting the packaging or incompletely through the thickness of that material. Individual pre-cuts may be separated by interconnected attachment portions. The line of weakened resistance may partially or completely surround a surface disposed on one, two, or three faces of the packaging. Structure for starting the opening may be provided. A process and a device permitting such packaging are also disclosed.
申请公布号 US6234943(B1) 申请公布日期 2001.05.22
申请号 US19970946425 申请日期 1997.10.07
申请人 PHILIP MORRIS INCORPORATED 发明人 COPIN MAURICE
分类号 B26D3/08;B26D1/36;B26D5/32;B26D5/34;B26F1/20;B26F1/22;B31B1/14;B31B1/20;B31B1/74;B65D75/58;B65D85/10;(IPC1-7):B31B1/10;B26D7/26 主分类号 B26D3/08
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