发明名称 |
Verfahren zur Herstellung eines mehrschichtigen Filterkoerpers aus koernigem Material |
摘要 |
<PICT:0896682/IV (a)/1> A filter bed for a melt-spinning apparatus provides a filter surface at the interface 10 between a body 8 of fine grain material, e.g. sand, and a body 7 of coarser material. The body 8 is in the form of an upright tube closed at the top and this is filled and surrounded by the coarser material. On top of the whole system there is provided a layer 9 of especially coarse material. The Specification describes a mould for making the filter. |
申请公布号 |
DE1142155(B) |
申请公布日期 |
1963.01.10 |
申请号 |
DE1959N017515 |
申请日期 |
1959.11.12 |
申请人 |
N. V. ONDERZOEKINGSINSTITUUT RESEARCH |
发明人 |
HEIJNIS JAMES WATT IJSBRAND |
分类号 |
B01D35/02;B01D39/14;B01D46/30;B29C47/68;D01D1/10 |
主分类号 |
B01D35/02 |
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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