| 发明名称 |
Composite films for deep-drawn packings |
| 摘要 |
The invention relates to composite packing films shrinkable by deep drawing and consisting of at least one copolyamide layer containing at least 50% by weight of epsilon -caprolactam units and at least one heat-sealable layer, and optionally, an adhesion-promoting layer.
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| 申请公布号 |
US4420516(A) |
申请公布日期 |
1983.12.13 |
| 申请号 |
US19820360307 |
申请日期 |
1982.03.22 |
| 申请人 |
WOLFF WALSRODE AKTIENGESELLSCHAFT |
发明人 |
ERMERT, WOLFGANG;FUNK, HANS W.;KLEIN, RUDI |
| 分类号 |
B32B27/08;(IPC1-7):B65D3/28;B32B27/10 |
主分类号 |
B32B27/08 |
| 代理机构 |
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