子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 261 | ACTIVE WEB SPREADING AND STABILIZATION SHOWER | US15493363 | 2017-04-21 | US20170218569A1 | 2017-08-03 | David Drew RAINES; Kenneth C. HENDERSON; Anthony C. JELKS |
| Described herein are methods and systems for reducing, preventing, or eliminating wrinkles in a paper sheet during papermaking. The systems may include a dryer configured to dry a continuous paper sheet having a travel direction. The system may also include at least one roll configured to receive the dried continuous paper sheet. The systems may also include an air spreader located downstream of the dryer and upstream of the at least one roll. The at least one roll may include one or more calendering rolls. The air spreader may include a plurality of nozzles configured to expel a gas toward the dried sheet. The nozzles may be oriented in a direction at least partially opposed to the travel direction of the dried sheet. | ||||||
| 262 | Active web spreading and stabilization shower | US14948721 | 2015-11-23 | US09670616B2 | 2017-06-06 | David Drew Raines; Kenneth C. Henderson; Anthony C. Jelks |
| Described herein are methods and systems for reducing, preventing, or eliminating wrinkles in a paper sheet during papermaking. The systems may include a dryer configured to dry a continuous paper sheet having a travel direction. The system may also include at least one roll configured to receive the dried continuous paper sheet. The systems may also include an air spreader located downstream of the dryer and upstream of the at least one roll. The at least one roll may include one or more calendering rolls. The air spreader may include a plurality of nozzles configured to expel a gas toward the dried sheet. The nozzles may be oriented in a direction at least partially opposed to the travel direction of the dried sheet. | ||||||
| 263 | Paper products and methods and systems for manufacturing such products | US14474859 | 2014-09-02 | US09365981B2 | 2016-06-14 | Marshall Medoff |
| Methods of producing cellulosic or lignocellulosic materials for use in papermaking include treating a cellulosic or lignocellulosic dry feedstock having a first average molecular weight with ionizing radiation, and controlling the dose of ionizing radiation such that the average molecular weight of the feedstock is reduced to a predetermined level. A method of producing an irradiated paper product includes treating a paper product including a first carbohydrate-containing material having a first molecular weight with ionizing radiation, and controlling the dose of ionizing radiation so as to provide an irradiated paper product with a second carbohydrate-containing material having a second molecular weight higher than the first molecular weight. Pulp and paper products are produced. | ||||||
| 264 | PAPER PRODUCTS AND METHODS AND SYSTEMS FOR MANUFACTURING SUCH PRODUCTS | US14474859 | 2014-09-02 | US20150047799A1 | 2015-02-19 | Marshall Medoff |
| Methods of producing cellulosic or lignocellulosic materials for use in papermaking include treating a cellulosic or lignocellulosic dry feedstock having a first average molecular weight with ionizing radiation, and controlling the dose of ionizing radiation such that the average molecular weight of the feedstock is reduced to a predetermined level. A method of producing an irradiated paper product includes treating a paper product including a first carbohydrate-containing material having a first molecular weight with ionizing radiation, and controlling the dose of ionizing radiation so as to provide an irradiated paper product with a second carbohydrate-containing material having a second molecular weight higher than the first molecular weight. Pulp and paper products are produced. | ||||||
| 265 | INSTALLATION FOR PROCESSING A PAPER WEB, IN PARTICULAR A CIGARETTE PAPER WEB | US14487881 | 2014-09-16 | US20150004321A1 | 2015-01-01 | Franz BURGER |
| An arrangement for processing a paper web having a low surface area density not exceeding 70 g/m2, in particular a cigarette paper web, that may include in a conveyance direction: an input side, over which the paper web is fed into the arrangement; an output side, over which the paper web leaves the arrangement; a device downstream of the input side, in particular a printing unit, preferably a gravure printing unit, for applying a liquid printing medium to the paper web; a first drying station following the applying station in direction of conveyance, in particular hot-air drying, for drying the printing medium applied to the paper web; a device following the first drying in direction of conveyance for moistening the paper web and a second drying station following the moistening device in direction of conveyance, by which the moistened paper web is dried. | ||||||
| 266 | Control of an expanded drying section of a paper machine | US13254901 | 2010-01-14 | US08849443B2 | 2014-09-30 | Edgar Fries; Johannes Reinschke; Albrecht Sieber; Friedrich Speth |
| In order to achieve an improved or optimized operation mode of an “expanded drying section” of a paper machine—having the “actual” drying section, separated, if applicable, into pre-drying and post-drying sections with a size press located therebetween, a steam and condensate system, an exhaust air heat recovery system, a wet press and the white water—a model that includes the above system components is proposed, with which mass and energy balances for the system components as well as the specific energy consumption of the drying section are calculated, based on values for parameters relevant for the drying process. | ||||||
| 267 | Paper products and methods and systems for manufacturing such products | US12768482 | 2010-04-27 | US08834676B2 | 2014-09-16 | Marshall Medoff |
| Methods of producing cellulosic or lignocellulosic materials for use in papermaking include treating a cellulosic or lignocellulosic dry feedstock having a first average molecular weight with ionizing radiation, and controlling the dose of ionizing radiation such that the average molecular weight of the feedstock is reduced to a predetermined level. A method of producing an irradiated paper product includes treating a paper product including a first carbohydrate-containing material having a first molecular weight with ionizing radiation, and controlling the dose of ionizing radiation so as to provide an irradiated paper product with a second carbohydrate-containing material having a second molecular weight higher than the first molecular weight. Pulp and paper products are produced. | ||||||
| 268 | METHODS AND APPARATUS FOR FORMING FLUFF PULP SHEETS | US13398144 | 2012-02-16 | US20130213594A1 | 2013-08-22 | JYRKI T. JAAKKOLA; JAMES E. SEALEY |
| Processes for making fluff pulp sheets mechanically eliminate many unwanted fiber-to-fiber bonding (fiber bundles) in the sheet. Pulp slurry is deposited on a moving bottom forming wire to form a stock web. Pulp slurry is brought into contact with a moving top forming wire. The stock web is subjected to up and down dewatering creating separately formed layers to reduce fiber-to-fiber bonding. The stock web can be subjected to strong pulsating shear forces as it is being advanced along the bottom forming wire to break fiber bundles. The pulp slurry can be deposited on the bottom forming wire utilizing a headbox with dilution control to selectively adjust the concentration of the pulp slurry. Shoe presses can be used to dewater the web after it is subjected to the pulsating shear forces. | ||||||
| 269 | Method for producing or treating a fibrous web | US11627630 | 2007-01-26 | US08092650B2 | 2012-01-10 | Rudolf Münch; Jörg Spindler; Ulrich Mailänder; Karl Martin Olf |
| 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 (cross direction) profile, such as the moisture CD profile, is established such that a preselected quality range is adhered to or a predefined quality value is undershot by no more than a predefined deviation, wherein the power consumption of the method, in particular the heat energy input, is reduced therewith by establishing at least one property such that the lowest permissible value of the quality range or the maximum permissible deviation is reached at least approximately on a straight line. | ||||||
| 270 | Control of an Expanded Drying Section of a Paper Machine | US13254901 | 2010-01-14 | US20120004756A1 | 2012-01-05 | Edgar Fries; Johannes Reinschke; Albrecht Sieber; Friedrich Speth |
| In order to achieve an improved or optimized operation mode of an “expanded drying section” of a paper machine—having the “actual” drying section, separated, if applicable, into pre-drying and post-drying sections with a size press located therebetween, a steam and condensate system, an exhaust air heat recovery system, a wet press and the white water—a model that includes the above system components is proposed, with which mass and energy balances for the system components as well as the specific energy consumption of the drying section are calculated, based on values for parameters relevant for the drying process. | ||||||
| 271 | Drier installation for drying web | US10591431 | 2005-02-21 | US07918040B2 | 2011-04-05 | Patrick Lenoir |
| A drier installation (1) for drying web (2), more particularly paper, which installation is provided for drying a maximum web width, the installation (1) comprises gas-heated radiant elements (3) for radiating the web, arranged according to at least one row (4) stretching out in the transversal (5) direction over the substantially entire maximum web width. The installation (1) comprises at least a transversal convective system (7, 36) equipped with suction and blowing devices (8) for sucking at least part of the combustion products produced by the radiant elements (3) by means of a suction duct (13) and for blowing this pa o the combustion products towards the web (2) by means of a blowing duct (14). Both suction (13) and blowing (14) ducts stretch out in the transversal (5) direction of the web (2). The convective system (7, 36 comprising at least a mixing device (12, 22, 28, 37, 46) installed opposite of the passing web (2) in relation to corresponding suction (13) and blowing (14) ducts and arranged so as to suck and/or blow the combustion products. The drier installation as subject of the present invention is characterized in that the vector average of the projections (V1, V2, V3, V5, V6, V7, V8) in a plane (P1) perpendicular to the web ( ) and stretching out in the transversal (5) direction of the web (2), has component (V4) parallel to the web (2) that is smaller than the maximum web width of the web (2), the vectors representing the respective trajectories of the different jets of sucked and/or blown combustion products. | ||||||
| 272 | PAPER PRODUCTS AND METHODS AND SYSTEMS FOR MANUFACTURING SUCH PRODUCTS | US12768482 | 2010-04-27 | US20100206501A1 | 2010-08-19 | Marshall Medoff |
| Methods of producing cellulosic or lignocellulosic materials for use in papermaking include treating a cellulosic or lignocellulosic dry feedstock having a first average molecular weight with ionizing radiation, and controlling the dose of ionizing radiation such that the average molecular weight of the feedstock is reduced to a predetermined level. A method of producing an irradiated paper product includes treating a paper product including a first carbohydrate-containing material having a first molecular weight with ionizing radiation, and controlling the dose of ionizing radiation so as to provide an irradiated paper product with a second carbohydrate-containing material having a second molecular weight higher than the first molecular weight. Pulp and paper products are produced. | ||||||
| 273 | Anti-staining agent for paper machine, and method for preventing stains using the same | US10501303 | 2002-07-29 | US07585393B2 | 2009-09-08 | Kunio Sekiya; Hiroshi Sekiya |
| Provided is a paper machine contamination preventive agent that has high fixability to rolls and the like of a paper machine, that positively finds a silicone oil capable of imparting releaseability and water-repellent properties to the rolls or the like immediately upon being supplied to the rolls or the like, and that uses the silicone oil as a main component. Further provided is a paper machine contamination preventive agent using a silicone oil that permits transfer of less foreign matters from a wet paper web than that in a case where a contamination preventive agent containing a dimethylpolysiloxane base oil is a main component. The paper machine contamination preventive agent is fed to a paper machine and has a sidechain-type modified silicone oil or a sidechain both-termini modification silicone oil as a main component. | ||||||
| 274 | Arrangement in connection with the press and dryer section of a web forming machine | US10919762 | 2004-08-17 | US20080178487A1 | 2008-07-31 | Antti Komulainen; Matti Kurki; Juhani Vestola |
| An arrangement in connection with the press and dryer section of a web-forming machine includes first and second devices for transporting the web. The second device includes a dryer wire and a roll arranged to support it. In the arrangement there is an open gap between the first and second devices, across which the web is arranged to be transferred, so that the web and the dryer wire form a closing throat. The arrangement further includes a deflector before the open gap in the direction of travel of the dryer wire, which is arranged close to the dryer wire, in order to restrict the air layer travelling with the dryer wire, and thus to prevent the formation of an excess pressure in the closing throat. | ||||||
| 275 | Impingement drying unit and a dryer section | US10415863 | 2001-11-06 | US07036242B2 | 2006-05-02 | Antti Komulainen; Matti Kurki; Martti Salminen; Kari Juppi; Juha Kaihovirta; Antti Kuhasalo |
| An apparatus for a dryer section of a paper or board machine has a drying group (R) and an impingement drying unit (10) which is placed above and/or below a row (DSR) of drying cylinders (3). A drying fabric (1) supported paper or board web (2) is conducted past the impingement drying unit (10) having at least one impingement surface (IP1, IP2) the side profile of which is straight, changeably curved in its radius of curvature, in the shape of a broken line or a selectable combination of these, and that the impingement surface or a tangent line to the impingement surface or a line passing via the beginning and the end of the impingement surface or an extension of the line forms on the impingement side an angle with a horizontal plane parallel to the machine level, which angle is ≦120°, advantageously 120°–60°, most advantageously about 90°. | ||||||
| 276 | Method for controlling the moisture of a web in machine direction on a coating machine | US09914657 | 2000-03-02 | US06863919B1 | 2005-03-08 | Tapio Mäenpää; Eero Suomi; Vilho Nissinen |
| The invention relates to a method by means of which the machine-direction moisture of a web being coated can be controlled in an optimal manner that takes into account moisture content changes along the entire path of the coating and drying process. Advantageously, all the dryers the coater section are controlled in an integrated manner in order to obtain a controlledly processed product which is optimized in regard to energy consumption and product quality. Each process section and unit contributing to the drying of the web is identified by means of a mathematical submodel describing the specific evaporation rate in the respective process section/unit and, by chaining these submodels, a composite model is compiled for the entire process, whereby the composite model makes it possible to manage the drying operation in the process so that the individual units are controlled as a portion of the overall process. | ||||||
| 277 | Method for minimizing tension variation in a paper web induced by drying of the web in a paper machine | US10381489 | 2001-10-01 | US06860033B2 | 2005-03-01 | Hannu Lätti; Antti Heikkinen; Heikki Kettunen |
| Tension variations in the paper web on a paper machine are caused by successive draws and moisture fluctuations. Good strength properties require optimization of the draws. In addition, the tension variation induced by moisture must be minimized. The analysis of local modulus and the strain components can be used for determining optimal locations for profiling actuators in order to achieve good tension profile. Longitudinal strain components of the web, i.e. reversible elastic strain, permanent plastic strain and frozen-in strain relievable with water are continuously measured and determined and the variation of said longitudinal components is minimized by correcting the moisture content of the paper web in a dryer section of the paper machine and/or by optimizing the draws between dryer groups in the dryer section. | ||||||
| 278 | Method for minimizing tension variation in a paper web induced by drying of the web in a paper machine | US10381489 | 2003-08-06 | US20040050518A1 | 2004-03-18 | Hannu Latti; Antti Heikkinen; Heikki Kettunen |
| The invention relates to a method for minimizing tension variation in a paper web induced by drying of the web in a paper machine. Tension variations in the paper web are caused by successive draws and moisture fluctuations. Good strength properties require optimization of the draws. In addition, the tension variation induced by moisture must be minimized. The analysis of local modulus and the strain components can be used for determining optimal locations for profiling actuators in order to achieve good tension profile. In the method according to the invention, longitudinal strain components of the web, i.e. reversible elastic strain, permanent plastic strain and frozen-in strain relievable with water are continuously measured and determined and the variation of said longitudinal components is minimized by correcting the moisture content of the paper web in a dryer section of the paper machine and/or by optimizing the draws between dryer groups in the dryer section. | ||||||
| 279 | Reel shaft and reel-up for reeling a paper web | US10331112 | 2002-12-27 | US20030141403A1 | 2003-07-31 | Soren Sven Eriksson; Tord Gustav Gustavsson; Anders Tommy Linden |
| A reel shaft for reeling a paper web in a reel-up, which reel-up includes at least one unit that is mobile in the longitudinal direction of the paper machine and supports a pair of opposite engagement members each of which includes an engagement part, which engagement parts are arranged for rotatably carrying and detachably engaging the reel shaft during reeling. In accordance with the invention, the reel shaft is free of a support shaft and has a self-supporting, tubular sleeve substantially formed of fiber-reinforced plastic, which sleeve has an envelope surface on which the initial wrapping of the paper web shall be performed, and also an internal surface defining an axial channel terminating in axial openings at the ends of the reel shaft. The invention also relates to a reel-up for such reel shafts. | ||||||
| 280 | Drying section and a smoothing apparatus for such a drying section | US10273160 | 2002-10-17 | US20030110660A1 | 2003-06-19 | Jens Muller |
| A drying section of a machine for the manufacture of a material web, in particular of a paper or of a board web, comprises a smoothing nip which is extended in the web running direction and is formed between two pressing areas lying opposite one another of which at least one is formed by a shoe roll, with at least 70%, and preferably at least 90%, of the outer shoe roll diameter lying above the machine base. In a method for the combined drying and smoothing of a material web, in particular of a paper web or of a board web, in a drying section, the following steps are provided: the material web is first dried to a pre-settable drying content>60%, in particular >65%, and preferably >70%; the material web having this pre-settable drying content is guided through a smoothing nip which is extended in the web running direction and is formed between two pressing surfaces lying opposite one another of which at least one is formed by a rotating belt and of which at least one is heated; the pressing time resulting in the extended smoothing nip is selected >0.8 ms; and the material web is further dried after the smoothing nip. | ||||||
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