发明名称 |
Suction roll for transferring a web away from a press section |
摘要 |
A paper-machine press section having structure for transferring a web away from the press section toward the drying section of the machine. The press section includes a press roll with which a transfer structure cooperates for transferring a web from this press roll away from the latter and toward the drying section. This transfer structure includes at least a transfer suction roll having an outer shell formed with perforations through which suction is transmitted to a web. A suction chamber communicates with these perforations while between the suction chamber and the outer shell which has the perforations there is a sealing structure which is capable of providing between the perforated shell and the suction chamber a seal which does not require the use of seal water.
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申请公布号 |
US4016032(A) |
申请公布日期 |
1977.04.05 |
申请号 |
US19750568140 |
申请日期 |
1975.04.14 |
申请人 |
VALMET OY |
发明人 |
KANKAANPAA, MATTI |
分类号 |
D21F2/00;D21F3/04;D21F3/10;(IPC1-7):D21F3/04 |
主分类号 |
D21F2/00 |
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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