| 发明名称 |
METHOD AND APPARATUS FOR JOINTING TWO SHEETS OF POLYMER MATERIAL * OVERLAPPING EACH OTHER |
| 摘要 |
A cylindrical lens system is used to focus a laser beam into a line upon thermoplastic sheets in their area of contact thereby linearly welding the sheets together. By this method flattened thermoplastic tubing may be converted into bags with either straight or curved linear seals. |
| 申请公布号 |
JPS52152474(A) |
申请公布日期 |
1977.12.17 |
| 申请号 |
JP19770066807 |
申请日期 |
1977.06.08 |
| 申请人 |
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发明人 |
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| 分类号 |
C09J5/00;B23K26/073;B29C53/00;B29C65/00;B29C65/02;B29C65/16;B29C65/78;C09J5/06 |
主分类号 |
C09J5/00 |
| 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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