| 发明名称 |
Filter exchange device for an extrusion molding machine. |
| 摘要 |
<p>A filter exchange device in a molten resin passage in an extrusion molding machine, comprising: at least one filter casing (51, 52) for airtightly enclosing a spare filter (51a, 52a) and having port means (64, 65) for exhausting air out of the filter casing (51, 52) and filling the interior thereof with a gas inactive to molten resin. Fish eyes contained in the molded product after filter exchange is reduced.</p> |
| 申请公布号 |
EP0291985(A2) |
申请公布日期 |
1988.11.23 |
| 申请号 |
EP19880108053 |
申请日期 |
1988.05.19 |
| 申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
HAMAMURA, KEN C/O FUJI PHOTO FILM CO., LTD.;KAWAHARA, SEI C/O FUJI PHOTO FILM CO., LTD.;GOTO, MITSUHIRO C/O FUJI PHOTO FILM CO., LTD. |
| 分类号 |
B01D29/03;B01D36/00;B29C47/68 |
主分类号 |
B01D29/03 |
| 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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