发明名称 |
Verfahren zur Herstellung eines Dachventilatorgehäuses |
摘要 |
In a process for prodn. of a plastic roof ventilator housing the complete housing is rotationally cast and then separated into an upper part (7) with a flange (2) at the lower edge and a lower part (8) with a flange (2) at the upper edge. Inlet (21) and outlet (20) openings are cut into both housing parts (7,8). The roof ventilator housing (7,8) made by the process is claimed. |
申请公布号 |
DE19529400(C2) |
申请公布日期 |
1997.05.15 |
申请号 |
DE1995129400 |
申请日期 |
1995.08.10 |
申请人 |
FUNKEN & CO. GMBH, 53773 HENNEF, DE |
发明人 |
SEVERYNS, HORST WILLY, 53844 TROISDORF, DE |
分类号 |
B29C41/06;F04D29/02;F04D29/42 |
主分类号 |
B29C41/06 |
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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