发明名称 Tear resistant bag
摘要 <p>It is an object of the present invention to provide a bag which is free from development of tears around a hole formed therein when pierced with tubular or hollow needle suction means. In accordance with the present invention, there is provided a bag (1) for containing a liquid or powdery material, the bag comprising a penetrable portion to be pierced with tubular or hollow needle suction means (11) for delivering the material out of the bag, the penetrable portion comprising a laminated sheet (5) having an outer layer including at least one of a calendered film (e.g., aluminum foil) and a stretched film, and an inner layer of an unstretched film, wherein a peeling strength between the outer layer and the inner layer is 0.0490 to 3.4323 N/15mm width. &lt;IMAGE&gt;</p>
申请公布号 EP1078861(A2) 申请公布日期 2001.02.28
申请号 EP20000202959 申请日期 2000.08.25
申请人 DAIWA GRAVURE CO., LTD. 发明人 SHIBATA, YUKIHIKO
分类号 B65D83/76;B05B11/00;B32B15/20;B65D33/36;B65D33/38;B65D65/40;B65D75/00;B65D75/26;B65D77/04;B65D83/00;(IPC1-7):B65D30/08 主分类号 B65D83/76
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