| 发明名称 |
A METHOD FOR THE MANUFACTURE OF A PACKING MATERIAL WITH GOOD GAS-TIGHTNESS PROPERTIES |
| 摘要 |
The invention relates to a method for the manufacture of packing material with good gas-tightness properties by coating a web or a sheet of paper with an aqueous solution containing polyvinyl alcohol and a thickener, e.g. carboxymethylcellulose, subsequently the water is boiled away and the coating layer formed is covered with a thin plastic film. |
| 申请公布号 |
DE3364801(D1) |
申请公布日期 |
1986.09.04 |
| 申请号 |
DE19833364801 |
申请日期 |
1983.01.29 |
| 申请人 |
TETRA PAK INTERNATIONAL AB |
发明人 |
RAUSER, JAN;KNUDSEN, GUNNAR |
| 分类号 |
B65D65/40;B29C63/00;B32B27/10;B32B27/30;B32B27/32;B32B37/00;B32B37/15;D21H19/12;D21H19/22;D21H19/82;D21H27/10;D21H27/30;D21H27/32;(IPC1-7):D21H1/34 |
主分类号 |
B65D65/40 |
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