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8422743 |
Surface-reading apparatus, subject verification apparatus and storage medium storing subject verification program
The present invention provides a surface-reading apparatus that includes a subject-flexing mechanism and a surface-reading component. The subject-flexing mechanism causes a subject to flex in one...
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8372245 |
Roll assembly for a fiber-web machine and method of attenuating vibration of a fiber-web machine roll
A roll assembly (10) for a fiber-web machine has at least at one end thereof, with a bearing assembly (20) with a bearing housing, which bearing housing (18) has a flexible and attenuating...
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8349136 |
Method for optimizing the energy balance in forming sections in machines for the production of fibrous webs, and forming section
The invention relates to a method for optimizing the energy balance of a forming section in a machine for producing fibrous webs, in which a fiber suspension, which is fed to the forming section by...
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8337668 |
Doctor blade with sensing system
A blade for doctoring a moving surface or for sizing or creping a fibrous material web produced or finished in a web machine, for example in a paper, board or tissue machine, includes at least one...
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8303773 |
Machine for the production of tissue paper
A method of producing a tissue paper web in a papermaking machine including the steps of forming the web on a skin, selecting a quality of the web, bypassing a dewatering apparatus, passing the...
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8224476 |
Closed-loop monitoring and identification of CD alignment for papermaking processes
Alignment is a critical component for modeling a cross-directional (CD) papermaking process. It specifies the spatial relationship between individual CD actuators to paper quality measurements....
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8219236 |
Method for creating a cutting plan for a strip-like material
A method for creating a cutting plan for a strip-like material for maximizing a quality yield of the process is invented. In the method a cutting plan for a strip-like material is made based on...
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8206554 |
Method and a system for controlling the manufacturing or finishing process of a fiber web
A method and a system for controlling the manufacturing or finishing process of a fiber web at a transition stage of the process. In the method a corrected error profile (PD′k) is formed using an e...
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8187424 |
Time domain spectroscopy (TDS)-based method and system for obtaining coincident sheet material parameters
An in-situ time domain spectroscopy (TDS)-based method (200) for non-contact characterization of properties of a sheet material while being produced by a manufacturing system (700). A time domain...
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8132338 |
Energy-efficient yankee dryer hood system
A paper machine configured as a swing machine capable of producing both light and heavy grades providing a Yankee hood split into a wet end half and a dry end half, at least one hood half being a...
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8133356 |
Method of monitoring microbiological deposits
A method for monitoring one or more deposits including microbiological deposits on a surface immersed in an aqueous medium of a process is disclosed. The method comprises: (a) providing a QCM that...
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8101047 |
Method of correcting gypsum crystal water effect on infrared moisture measurement
Ash composition measurements of calcium carbonate and gypsum in paper is accomplished with a dual X-ray sensor system with one X-ray source that is powered at about 5.9 KV and a second X-ray source...
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8092650 |
Method for producing or treating a fibrous web
This invention relates to a method for producing or treating a fibrous web, in particular a paper web or paperboard web, with which at least one property of the fibrous web, in particular a CD...
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8080131 |
Device and method for measuring the velocity of a moving paper web
Device for measuring the two-dimensional velocity of a moving paper web having opposed first and second surfaces, wherein comprising: at least one light source directed at said first surface and...
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8069859 |
Wrapping paper inspection apparatus and tobacco wrapping machine
A wrapping paper inspection apparatus includes a nozzle arranged in a wrapping-paper discharge path, in which wrapping paper is wound and continuously discharged, for wetting one side of the...
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8052838 |
Functionalizing cellulosic and lignocellulosic materials
Irradiated lignocellulosic or cellulosic materials are provided which contain carboxylic acid groups and/or other functional groups not present in a naturally occurring cellulosic or...
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7972658 |
Control of a coating process
Devices, systems and methods for controlling the coating of a sample are disclosed. The exemplary system may have a manufacturing device for providing a sample with one or more sample...
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7964064 |
System and method to control press section dewatering on paper and pulp drying machines using chemical dewatering agents
The present invention provides an automatic control system, method and paper manufacturing machine using such control system for automatically controlling the amount of press section dewatering via...
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7959763 |
Apparatus and method for correcting basis weight measurements using surface topology measurement data
An apparatus and method for correcting an areal weight measurement of a stretchable web using surface topology measurement data is disclosed. Areal weight may comprise a basis weight or a water...
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7947152 |
Doctor blade for the paper industry
Doctor blade for the paper industry, comprising a scraping plate (1) and holding means (p) for the scraping plate which in turn are held by a frame (a) the ends of which are securely fastened (2)...
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7938935 |
Infrared measurement of paper machine clothing condition
Infrared spectroscopy techniques are employed to measure (i) the moisture level in both the sheet of wet stock and the papermaking machine clothing on which the sheet is supported and (ii) the...
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7909963 |
Method for measuring hydrophobic contaminants in paper pulp
A method is provided for measuring hydrophobic contaminants distributed in paper pulp suspension. The method comprises: adding a fluorescent dye (18) to the paper pulp suspension (12) including...
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7862689 |
Water content estimation apparatus, sheet material processing apparatus, water content estimation method, and sheet material processing method
Information (particularly, water content) of a sheet material which changes during progression of processing is estimated with higher accuracy and information output or (image formation) processing...
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7842165 |
Enhanced method for monitoring the deposition of organic materials in a papermaking process
A method for monitoring the deposition of one or more organic materials dispersed in an aqueous medium in a papermaking process comprising: measuring the rate of deposition of the organic materials...
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7837833 |
Method for characterizing fibrous materials using stokes parameters
An apparatus (200) for determining fiber orientation parameters of a sheet of material during a production process includes a polarized radiation generating system (201, 202) operable for providing...
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7820012 |
Reverse bump test for closed-loop identification of CD controller alignment
A reverse bump test, for identifying the alignment of a sheetmaking system while the system remains in closed-loop control, includes the following steps: (a) leaving the control system in...
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7811414 |
Method and system in a paper machine and software product
The invention comprises a method and a system in a paper machine, and also a software product, allowing one or more tools to be generated for indicating the state of the paper production process in...
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7809462 |
Power savings method for rotating pulp and paper machinery
A power saving method for rotating pulp and paper machinery includes a fiber quality measurement device, a control system and a variable speed drive. The power savings method is applied to either...
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7799171 |
Reeling method and system as well as an measuring apparatus
A method and a system to control a reeling profile of a material web reel (30), when, in the forming of a material web reel (30), a web is reeled around a reeling core and when in an adjustment of...
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7799172 |
Apparatus for measuring tension in paper web
Apparatus for measuring tension or a tension alteration in a paper web. At least one measurement device includes a number of measurement bodies and a number of fluid supply devices, which are...
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7780817 |
Measurement system for improved paper roll runnability
A method for measuring both caliper and tension of a web such as paper wound into a roll. The method may include a standard caliper sensor whose air supply is selectively modified to allow for both...
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7767464 |
Method for detecting counterfeit paper currency
A composition and method of detecting counterfeit paper currency includes applying a test solution to a paper currency having ink printed thereon. If the paper currency is counterfeit, the test...
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7763148 |
Method and apparatus for producing a fibrous web
Disclosed is a method for producing a fibrous web, in particular a paper web, paperboard web or tissue web, with which a material flow of higher consistency and a material flow of lower consistency...
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7695592 |
Method and apparatus for measuring fiber orientation of a moving web
An image-based measurement technique that directly measures the orientation of fibers in a moving web that comprises nonwoven material measures the orientation angles of the individual fibers so...
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7682488 |
Method of making a paper web containing refined long fiber using a charge controlled headbox
A method of forming a cellulosic web is discussed, the product of which may, for example, possess at least one of increased softness, strength, and absorbency. The method measures the total anionic...
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7678233 |
Machine direction sensor system with cross direction averaging
Disclosed is a machine direction measurement system having an increased cross direction sampling area (significantly larger than the natural sensor measurement window) to generate a more...
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7674355 |
Method of measuring macro and micro stickies in a recycled sample containing pulp fibers
A method of measuring macro and micro stickies in a recycled sample containing pulp fibers is disclosed. The method includes forming a slurry of the recycled macro stickies and a liquid and using a...
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7648614 |
Method and apparatus for controlling cross-machine direction (CD) controller settings to improve CD control performance in a web making machine
A web making machine is monitored to identify at least one cross-machine direction (CD) actuator that is developing local mapping problems. The identified CD actuator and a segment of surrounding...
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7635419 |
Shoe press apparatus of a paper machine and paper production method
A shoe press apparatus of a paper machine for pressing wet paper through a nip includes a counter roll, and a shoe module disposed adjacent to the counter roll. The shoe module includes a...
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7608164 |
Fabric-crepe process with prolonged production cycle and improved drying
A method of manufacturing absorbent sheet is directed to a wet-press/fabric-crepe process wherein add-on of adhesive to the Yankee surface is at relatively low levels, yet sheet transfer is...
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7608169 |
Apparatus and method for break recovery in a paper machine or other system
A method includes determining one or more setpoint changes for one or more actuators in a process control system. Determining the one or more setpoint changes includes making larger or more...
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7609366 |
Material measurement system for obtaining coincident properties and related method
A material measurement system (500) includes a THz generator including at least one laser source (111) for emitting optical pulses, the optical pulses coupled to a THz emitter (51) operable for...
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7604712 |
Method for determining chemical pulp kappa number with visible-near infrared spectrometry
A method for the determination of a cellulosic-fibre property, namely, residual lignin content or Kappa number of chemical pulp, with the aid of a spectroscopic technique obtained over a range...
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7582189 |
Method for optimizing production of paper or board
The invention relates to a method in the manufacture of a fiber-based web-like product for optimizing the operation of the process being used, in which method quality factors are defined for the...
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7566382 |
Method and arrangement for controlling short circulation in a paper machine or the like
A method and arrangement for controlling short circulation in a paper machine, in which the control of at least one property of the diluted fiber-containing pulp conducted to the headbox is based...
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7556714 |
Method of operating a papermaking process
A method of operating a papermaking process containing a press section with at least one press nip is disclosed. The method comprises simultaneously performing the following steps: (a) providing a...
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7550062 |
Method and system for controlling the temperature of ceramic elements in a supporting or wiping strip in a paper production facility, and supporting or wiping strip
The temperature of the ceramic elements of a supporting or wiping strip that is assigned to a wire or a felt in a paper production facility, is controlled by guiding a cooling carrier medium or a...
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7531064 |
Machine for the production/processing of a material web and damping device
Machine for the production/processing of a material web, in particular a fibrous web, for example of paper or board, which comprises at least one treatment section in which the material web can...
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7520962 |
Machine for producing a fibrous web
Machine for producing a web includes a system for predefining a quantity of a grade to be produced utilizing a measuring arrangement for measuring quality data during production of the web. The...
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7510629 |
Method and device for analysing surface structure in paper or board
A method for analyzing in real-time in a paper machine or board machine the surface structure of a web (1) of paper or board which method comprises the direction of an imaging system towards a...
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