| 发明名称 |
Process for bonding several layers of plastic film |
| 摘要 |
A process for bonding several layers of plastic film, particularly plastic bags, into a block, where it is supposed to be possible to remove the plastic films or plastic bags form the block individually; the plastic films or plastic bags are bonded together in an edge strip by means of ultrasonic welding. |
| 申请公布号 |
US7022197(B2) |
申请公布日期 |
2006.04.04 |
| 申请号 |
US20030389645 |
申请日期 |
2003.03.14 |
| 申请人 |
HUHTAMAKI FORCHEIM ZWEIGNIEDERLASSUNG DER HUHTAMAKI DEUTSCHLAND GMBH & CO. KG |
发明人 |
SITZMANN STEFAN |
| 分类号 |
B29C65/08;B65B61/00;B29C65/02;B29C65/74;B29C65/78;B29L22/00;B31B1/64;B65D30/10;B65D33/00 |
主分类号 |
B29C65/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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