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1. 发明授权

US06712938B1 Method for calendering 有权
标题翻译：压延方法
公开(公告)号：US06712938B1
公开(公告)日：2004-03-30
申请号：US10110571
申请日：2002-04-12
申请人： Helena Leppäkoski , Pekka Koivukunnas , Kari Hasanen , Timo Torvi , Petteri Venetjoki
发明人： Helena Leppäkoski , Pekka Koivukunnas , Kari Hasanen , Timo Torvi , Petteri Venetjoki
IPC分类号： D21G100
CPC分类号： D21G9/0045 , D21G1/00 , D21G1/0046 , D21G1/0253
摘要： The present invention relates to a method for calendering a moving web (1) of paper or board. The web (1) is passed to a calender (2) and calendered therein. At least one quality of the calendered web (1) is measured at a first measurement point (3) adapted at a location downstream from the calender (2). Additionally, at least one quality of the web (1) entering the calender (2) is measured at a second measurement point (4) adapted at a location between the calender (2) and the preceding section of the line. A control variable (6) affecting the calendering effect on the calender (2) is controlled by a feedback control scheme based on the measurement result obtained from said first measurement point (3) and a control variable (9) affecting the processability of the web (1) to be calendered is controlled by a feedback control scheme based on the measurement result obtained from said second measurement point (4).
摘要翻译：本发明涉及一种用于压延纸或纸板的移动幅材（1）的方法。将幅材（1）送入砑光机（2）并在其中压延。在适于在压延机（2）下游的位置处的第一测量点（3）处测量压延卷材（1）的至少一种质量。此外，进入砑光机（2）的幅材（1）的至少一个质量在适于在压光机（2）和线的前一部分之间的位置处的第二测量点（4）处被测量。通过基于从所述第一测量点（3）获得的测量结果和影响幅材的可加工性的控制变量（9）的反馈控制方案来控制影响压延机（2）的压延效果的控制变量（6）（1）由基于从所述第二测量点（4）获得的测量结果的反馈控制方案来控制。

2. 发明授权

US06905573B2 Method and equipment for cleaning and maintaining rolls 失效
标题翻译：滚筒清洗和维护方法和设备
公开(公告)号：US06905573B2
公开(公告)日：2005-06-14
申请号：US10363799
申请日：2001-09-06
申请人： Tapio Mäenpää , Timo Vuorimies , Pekka Koivukunnas , Aaron Mannio , Olli-Pekka Väkevä , Kari Hasanen , Tarja Hanska , Pekka Linnonmaa , Markku Kyytsönen , Helena Leppäkoski , Markus Laitila , Markku Kojo , Toni Seppänen , Marjaana Toppila
发明人： Tapio Mäenpää , Timo Vuorimies , Pekka Koivukunnas , Aaron Mannio , Olli-Pekka Väkevä , Kari Hasanen , Tarja Hanska , Pekka Linnonmaa , Markku Kyytsönen , Helena Leppäkoski , Markus Laitila , Markku Kojo , Toni Seppänen , Marjaana Toppila
IPC分类号： D21G1/00 , D21G3/00 , D21G3/02 , D21G9/00 , D21F1/32
CPC分类号： D21G9/0045 , D21G1/0073 , D21G1/0093 , D21G3/005 , D21G3/02
摘要： The surface of a web is monitored by a fault detection system (20), a machine condition monitoring system, a quality measurement system, a web moisture measurement and/or a web temperature measurement and the soiled part of the surface of the roll is detected and localized by means of a soiling monitoring apparatus (31, 35; 60). A control system (41) controls a cleaning device (40) to remove the detected soiling. As a web (W) travels in a paper or board production or finishing process or in finishing machinery the web and/or the surface of the roll is monitored and after a detected deviation the surface thereof is momentarily spread with a liquid while machinery is running at the same time as the web (W) travels over said roll surface.
摘要翻译：纸张的表面由故障检测系统（20），机器状态监测系统，质量测量系统，纸幅湿度测量和/或纸幅温度测量进行监控，并且检测辊的表面的污染部分并通过污染监测装置（31,35; 60）进行定位。控制系统（41）控制清洁装置（40）以去除检测到的污物。当纸（W）在纸或纸板生产或整理过程中或在整理机械中行进时，纸幅和/或辊的表面被监测，并且在机器运行之后，在检测到偏差之后，其表面瞬间被液体摊开在网（W）在所述辊表面上行进的同时。

3. 发明授权

US06840165B1 Method and assembly for opening calender nips 失效
标题翻译：打开压延机的方法和装配
公开(公告)号：US06840165B1
公开(公告)日：2005-01-11
申请号：US10088457
申请日：2000-09-22
申请人： Helena Leppäkoski , Pekka Koivukunnas , Kari Hasanen
发明人： Helena Leppäkoski , Pekka Koivukunnas , Kari Hasanen
IPC分类号： D21G1/00 , D21G9/00 , B30B15/28
CPC分类号： D21G1/002 , D21G9/0009
摘要： The present invention relates to a method and assembly for opening the nips (9,10) of a calendar comprising at least two elements (1, 2; 3, 4) brought to a nip contact with each other, especially for performing the nip opening at a break or damage occurring in the web (5) being calendered. The tension of the web (5) being calendered is measured at multiple points over the cross-machine width of the web (5) and the calender nips (9,10) are opened when the measured web tension at a preset number of points over the cross-machine width of the web (5) has fallen to a limit value that by a decision-making algorithm monitoring the tension profile of the web (5) is interpreted to indicate a web break situation or other damage on the web (5) requiring opening the nips (9,10).
摘要翻译：本发明涉及一种用于打开包括至少两个彼此夹紧接触的元件（1,2; 3,4）的日历的压区（9,10）的方法和组件，特别是用于执行压区开口在被压延的网（5）中发生的断裂或损坏。在幅材（5）的跨机器宽度上的多个点处测量被压延的幅材（5）的张力，并且当测量的幅材张力在预设的数量点上时打开压延辊隙（9,10）幅材（5）的跨机器宽度已经下降到限制值，即通过监视卷筒纸（5）的张力分布的决策算法被解释为指示纸幅断裂情况或纸幅上的其他损坏（5 ）（9,10）。

4. 发明授权

US07001485B2 Arrangement for measuring properties of a moving paper web 失效
公开(公告)号：US07001485B2
公开(公告)日：2006-02-21
申请号：US10047054
申请日：2002-01-14
申请人： Pekka Koivukunnas , Helena Leppäkoski , Matti Kukkurainen , Sakari Kauppinen
发明人： Pekka Koivukunnas , Helena Leppäkoski , Matti Kukkurainen , Sakari Kauppinen
IPC分类号： D21F1/36 , D21G9/00 , G01N21/86
CPC分类号： D21G9/0009 , D21F1/36 , D21G9/00 , G01B21/08 , G01N33/34
摘要： An arrangement for measuring properties of a moving paper web. The arrangement comprises measuring means for measuring paper properties, in connection with which a plane-like support surface is arranged. The plane-like support surface supports the paper web and extends substantially over the whole width of the paper web in the cross-direction relative to the direction of travel of the paper web. An opening arrangement formed by at least one opening is arranged on the support surface for measuring properties of the paper web.

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