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2. 发明授权

US06444946B1 Method and apparatus for welding 有权
标题翻译：焊接方法和设备
公开(公告)号：US06444946B1
公开(公告)日：2002-09-03
申请号：US09563042
申请日：2000-05-01
申请人： Joern Korte
发明人： Joern Korte
IPC分类号： B23K2600
CPC分类号： B29C65/1654 , B29C65/1412 , B29C65/1416 , B29C65/1435 , B29C65/1454 , B29C65/1461 , B29C65/1464 , B29C65/1477 , B29C65/1616 , B29C65/1635 , B29C65/1661 , B29C65/1664 , B29C65/1674 , B29C65/1677 , B29C65/7802 , B29C65/7841 , B29C66/112 , B29C66/114 , B29C66/1222 , B29C66/1224 , B29C66/1226 , B29C66/12443 , B29C66/12463 , B29C66/322 , B29C66/5221 , B29C66/5229 , B29C66/52292 , B29C66/53247 , B29C66/5344 , B29C66/542 , B29C66/73365 , B29C66/73921 , B29C66/8242 , B29C66/8322 , B29C66/863 , B29C66/91411 , B29C66/91443 , B29C66/92211 , B29C66/9231 , B29C66/9241 , B29C66/9261 , B29C66/92651 , B29C66/934 , B29C66/96 , B29C66/961 , B29C66/9672 , B29C2035/0822 , B29K2995/0027
摘要： For joining two faces (41, 42) of thermoplastics in a penetration beam welding method the covered face (42) is multiply scanned and thus incremently heated by a laser beam (10) directed through the covering face (41). This preheating is repeated until the melting temperature is attained. In the region of the covered face (42) a melt thus materializes simultaneously over the full seam length which wets the covering face (41) and thus also transfers this face into melt by heat conduction. On completion of material softening the faces (41, 42) are mutually moved until abutting. Thus the two faces (41, 42) weld in principle as if they had been plasticized simultaneously over the full seam length which significantly enhances the seal and strength of the seam, whilst the expenditure the apparatus is low.
摘要翻译：为了以穿透束焊接方法接合热塑性塑料的两个表面（41,42），被覆面（42）被多次扫描，并且因此被引导通过覆盖面（41）的激光束（10）增量地加热。重复该预热直到达到熔融温度。在覆盖面（42）的区域中，熔体因此在覆盖覆盖面（41）的整个接缝长度上同时实现，从而也通过热传导将该表面转化为熔体。在完成材料软化时，面（41,42）相互移动直到邻接。因此，两个面（41,42）原则上焊接，就好像它们已经在整个接缝长度上同时塑化，这显着增强了接缝的密封和强度，同时装置的耗费较低。

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