发明名称 |
Single-layer or multi-layer headbox for wide flow range. |
摘要 |
<p>A single- or a multi-layer headbox of a paper or a board machine intended for consistencies of 0.7 - 2.2% and provided with a flow ratio adjustment device. The adjustment device operates by removing a part of the stock flow from the slice chamber (8) out of the headbox in a manner that does not change the speed or turbulence of the flow going to the slice at any point of the headbox. <IMAGE></p> |
申请公布号 |
EP0434304(A1) |
申请公布日期 |
1991.06.26 |
申请号 |
EP19900313589 |
申请日期 |
1990.12.13 |
申请人 |
VALMET-KARHULA INC. |
发明人 |
KESKIIVARI, JUHA;NYMAN, TAPANI;WARIS, TAPIO |
分类号 |
D21F1/02;D21F1/06 |
主分类号 |
D21F1/02 |
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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