Champion International Corporation Limited

Other

Robert J Rudt

Thomas M Neider

Leonard F Fiore

Kenneth D Grapes

Anne Callender

This invention relates to a system for monitoring a process which includes a plurality of monitoring means such as video camera which collects data relative to the process. The collected data is converted into a digital format and the digitized data stored in digital data storage device such that as new data is stored earlier stored data is removed to maintain about the same volume of stored data. The system also includes a control such as a computer which communicates with the digital data storage device. In the event of a deviation from a process parameter, the control is adapted to extract and display the digitized data corresponding to the deviation.

System for monitoring a continuous manufacturing process

A hot soft nip calender apparatus is provided for a paper mill. The apparatus includes at least one heated calender roller and a finishing belt which is moved in proximity to the heated calender roller by a plurality of drive rollers and at least one pressure roller. Thus, a heated calender nip is defined between the heated calender roller and the finishing belt. A web of paper is passed through the nip, such that one surface of the web of paper is contacted by the heated calender roller, while the opposed surface of the web is contacted by the finishing belt. The finishing belt has an extremely smooth surface for contacting the web of paper so as to impart appropriate smoothness and gloss characteristics to that surface. The finishing belt can readily be changed when worn or damaged or to alter the characteristics being imparted to a web of paper.

System for finishing surface of a web of paper having an improved continuous finishing belt

A system is provided for the detection and control of a paper machine profile. The system is adapted to observe a physical characteristic of a moving, continuous paper web. For example, the system can observe a change in moisture content in the web, as represented by a 'wet line'. In response to observations of the physical characteristic, the system can also be adapted to adjust process controls and/or the physical composition of the web in an attempt to achieve a desired profile of the physical characteristic.

System for the detection and control of paper machine profiles

A hot soft nip calendar apparatus is provided for a paper mill. The apparatus includes at least one heated calendar roller and a finishing belt which is moved in proximity to the heated calendar roller by a plurality of drive rollers and at least one pressure roller. Thus, a heated calendar nip is defined between the heated calendar roller and the finishing belt. A web of paper is passed through the nip, such that one surface of the web of paper is contacted by the heated calendar roller, while the opposed surface of the web is contacted by the finishing belt. The finishing belt has an extremely smooth surface for contacting the web of paper so as to impart appropriate smoothness and gloss characteristics to that surface. The finishing belt can readily be changed when worn or damaged or to alter the characteristics being imparted to a web of paper.

Continuous finishing belt capable of finishing surface of a web of paper

A system for continuously monitoring a process such as a paper making process wherein a plurality of video cameras are positioned at various positions along the process to monitor one or more pre-determined characteristics of the process. The system further includes device for converting the monitored characteristics into digital format and a digital data storage device, such as a circular memory, for storage of such data such that as new data is stored earlier stored data is removed. The system includes a control device such as a computer which is capable of communicating with the data storage device and with a detector for detecting deviations from the monitored predetermined characteristic such that on receipt of a deviation signal the control device extracts from the digital data storage device digitized data corresponding to the deviation and displays such extracted deviation digitized data as for example on a video monitor.

The invention is a system for monitoring a process in which process data relating to a predetermined characteristic of the process is collected and stored in digital format and extracted based upon a predetermined criterion for display. A plurality of monitors are strategically positioned at various locations of interest to observe the predetermined characteristic. Data obtained by the monitors are converted into digital format and stored. A central control is provided for retrieving the digital data in accordance with a predetermined criterion and transmitting the retrieved data to a display unit. The predetermined criterion for display may be specified as a deviation from the predetermined characteristic, and a plurality of deviation detectors may be coupled to the system for obtaining and relaying information relating to such deviations. Upon deviation, the central control may be adapted to retrieve digital data based on time and location of the deviation.

Apparatus for finsihing a continuous sheet of paper

A coating installation is provided for a paper mill to apply a coating to at least one surface of a continuous web of paper. To reduce catastrophic damage to the web of paper passing through the coating installation, a continuous support belt is provided for supporting the web entirely through and beyond the location at which the coating is applied to the web. The continuous support belt is formed from a smooth dimensionally stable material exhibiting appropriate stiffness and compressibility for a particular coating application.

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Highland Mills, NY, United States of America

Robert J Rudt