发明名称 IMPROVEMENTS IN OR RELATING TO PACKAGING FOIL AND TO METHODS OF MANUFACTURING IT
摘要 <p>A packaging foil for foods and other everyday goods, the foil being composed of two or more barrier layers as well as plastic coatings between the barrier layers and which form the outer surfaces of the foil; in addition, the invention provides for a method of manufacturing the foil. With the object of achieving a thin, stiff and accordingly advantageous foil, the packaging foil has been formed by joining together and sealing sheets containing one barrier layer, one side of said sheets having been covered with a layer of plastic intended for the protection of the inner layer and outer layer and the other side with a layer of plastic intended for separating and insulating the barrier layers.</p>
申请公布号 IE55913(B1) 申请公布日期 1991.02.14
申请号 IE19840002786 申请日期 1984.10.30
申请人 PRINTAL OY 发明人
分类号 B32B15/08;B32B27/06;B65D65/40;(IPC1-7):B32B15/08 主分类号 B32B15/08
代理机构 代理人
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