发明名称 |
METHOD AND APPARATUS FOR THE MANUFACTURE OF BIAXIALLY ORIENTATION-STRETCHED PLASTIC FILM AND FILM PRODUCED THEREBY |
摘要 |
Method and apparatus for the manufacture of oriented plastic film, in particular polyester film, by the inflation in two steps of an extruded seamless tube of plastic material and laminate manufactured in accordance with the method. |
申请公布号 |
DE3068792(D1) |
申请公布日期 |
1984.09.06 |
申请号 |
DE19803068792 |
申请日期 |
1980.07.17 |
申请人 |
TETRA PAK DEVELOPPEMENT SA |
发明人 |
PETERSEN-HOJ, PETER |
分类号 |
B29C47/00;(IPC1-7):B29D7/24 |
主分类号 |
B29C47/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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