发明名称 |
Method and apparatus for controlling a headbox in a paper machine |
摘要 |
Method and apparatus for controlling the mixing proportions of feed streams being supplied to a headbox, using devices for sampling two or more of the feed streams upstream of the headbox and devices for measuring concentration of constituents in or other properties of those samples. A method of regulating one or more properties of a moving web, and especially a paper web during manufacture, employing the aforesaid method and apparatus are also disclosed.
|
申请公布号 |
US2002011319(A1) |
申请公布日期 |
2002.01.31 |
申请号 |
US20010908264 |
申请日期 |
2001.07.18 |
申请人 |
SHAKESPEARE JOHN FRANCIS;KNIIVILA JUHA ANTERO;NYBERG PETRI |
发明人 |
SHAKESPEARE JOHN FRANCIS;KNIIVILA JUHA ANTERO;NYBERG PETRI |
分类号 |
D21F1/02;D21F1/08;D21F7/06;D21G9/00;(IPC1-7):D21F1/08;D21F7/00 |
主分类号 |
D21F1/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|