发明名称 |
Method and apparatus for measuring properties of paper web |
摘要 |
A method and an apparatus for measuring properties of a paper web, whereby at least one property of the paper web is measured at least at two locations in the cross direction of the paper web simultaneously. Adjacent measuring devices are calibrated by traversing a reference sample in the cross direction such that the reference sample is impinged by the measuring beam from each of the measuring devices.
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申请公布号 |
US2002085201(A1) |
申请公布日期 |
2002.07.04 |
申请号 |
US20010997714 |
申请日期 |
2001.11.29 |
申请人 |
METSO PAPER AUTOMATION OY |
发明人 |
SHAKESPEARE JOHN;MANTY MARKKU;KUKKURAINEN MATTI |
分类号 |
G01N21/89;(IPC1-7):G01N21/84 |
主分类号 |
G01N21/89 |
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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