发明申请
- 专利标题： Method and apparatus for making spiral separators
- 专利标题（中）： 制造螺旋分离器的方法和装置
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申请号： US11594682申请日： 2006-11-08
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公开(公告)号： US20080105995A1公开(公告)日： 2008-05-08
- 发明人: Thomas J. Grey
- 申请人： Thomas J. Grey
- 专利权人： Outokumpu Technology Oyj a public limited company of Finland
- 当前专利权人： Outokumpu Technology Oyj a public limited company of Finland
- 主分类号： B29C39/38
- IPC分类号： B29C39/38 ; B29C39/02
摘要：
An aluminum mold for the interior surfaces of one or more spirals is rotated at a temperature sufficient to melt a weldable plastic such as LLDP or HDP plastic in a predetermined amount sprinkled thereon. Plastic powder not melted is recovered and redeposited until all the plastic powder is melted. The mold or molds are then cooled and the formed spiral is removed.
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