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WO/2021/214128A1 |
Known infrared irradiation devices for drying a material for irradiation (3) that is moved through a process chamber (31) have a radiator unit (22) with at least one infrared radiator (24) for emitting infrared radiation and have a count...
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WO/2021/170278A1 |
The invention relates to a method and a device for drying a pulp web (1), comprising press-dewatering and conveying of the pulp web (1) directly on the press sleeve (4) to a first transfer region (5) for delivering the pulp web (1) onto ...
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WO/2021/141586A1 |
Disclosed is a through-air dryer shower assembly disposed within the through-air dryer and enables efficient cleaning of the through-air dryer without having an operator enter the dyer. The shower may comprise an elongated shower conduit...
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WO/2021/137133A1 |
A method for the production of tissue paper (90) with a grammage of less than 100 g/m2 using a single-cylinder machine (10) that comprises a Yankee cylinder or dryer cylinder (2), which comprises: - a distribution step of at least one li...
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WO/2021/124250A1 |
A method of identifying a defect in a wet film comprises conveying said wet film (20), in a wet state, on a conveyor (10), providing a laser projection (1511) onto the wet film, acquiring a series of images, each depicting an area of the...
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WO/2021/120912A1 |
A prefabricated Yankee cylinder section and a manufacturing method for a Yankee cylinder. The manufacturing method comprises: performing welding to internally connect first reinforcement flanges (101, 201) of two prefabricated Yankee cyl...
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WO/2021/124251A1 |
The present document discloses a method of determining thickness of a wet film, in particular of microfibrillated cellulose. The method comprises conveying said film (20) in a wet state on a conveyor (10) having a conveyor width, the wet...
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WO/2021/123497A1 |
According to an example aspect of the present invention, there is provided a drying unit for a web, particularly a tissue or non-woven web, comprising: an entry for transferring the web to the drying unit, an exit for transferring the we...
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WO/2021/069127A1 |
The invention relates to a tissue machine for producing a fiber web (1), in particular a tissue or hygiene paper web, comprising at least one press unit, which comprises a press element and a drying cylinder (3), in order to form a press...
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WO/2021/063563A1 |
The invention relates to an applicator, a machine, and a method for applying process air to a running fiber web, in particular a paper or tissue web, comprising an outer wall with at least one air inlet and at least one outlet opening. T...
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WO/2021/040709A1 |
The disclosure is directed towards a through-air drying system comprising a hood and a rotatable cylinder with a porous cylindrical deck. The system includes a seal, and more particularly a seal along the lateral edges of the system. The...
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WO/2021/016150A1 |
A machine or apparatus for producing structured tissue or towel using a press section.
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WO/2020/263157A1 |
The invention relates to a method and system for improving the application of a coating on a Yankee cylinder (CR) in tissue paper machines. The invention implements a moisture-controlled environment (12) in an area of the exposed Yankee ...
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WO/2020/256626A1 |
The present invention relates to an arrangement (1) for measuring the temperature of a web. The arrangement (1) comprises a plurality of sensors (3) for contactless measuring of the temperature, an elongated housing (5) intended for exte...
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WO/2020/246926A1 |
The invention relates to a machine (1) for making tissue paper which machine (1) comprises a Yankee (2) with a shell (3) which has an outer surface (4). The Yankee (2) is rotatable about an axis of rotation (A) in a direction of rotation...
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WO/2020/233898A1 |
The invention relates to a process and a system for producing paper or pulp. In said process, used production air is dehumidified by adsorption as it is passed through an adsorber (11).
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WO/2020/202704A1 |
[Problem] To provide a contamination preventing agent composition capable of effectively preventing pitch contamination in a dry part. [Solution] The present invention relates to a contamination preventing agent composition for preventin...
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WO/2020/194360A1 |
Method for manufacturing a steel Yankee drier comprising a cylindrical steel mantle (15) with two end heads (13, 14) on each of which a corresponding pin (2, 6) is arranged, the cylindrical mantle having an external surface and an intern...
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WO/2020/194358A1 |
Yankee drier comprising a cylindrical mantle (15) to which two end heads (13, 14) are connected, on each of which a corresponding pin (2, 6) is arranged, wherein the cylindrical mantle (15) has an external surface and an internal surface...
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WO/2020/183354A1 |
Handling bar for laminated or film supports, such as paper and comprising: - a hollow tubular body (1) provided with an inner cavity (2) and an outer side surface (3); - a plurality of through holes (4), arranged on said tubular body so ...
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WO/2020/148304A1 |
The invention relates to a Yankee drying hood arrangement (1) which has a first temperature main supply conduit (9, 9') for a fluid such as hot air, or hot air and steam and/or water vapour, at a first temperature T1 and a second tempera...
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WO/2020/114820A1 |
The invention relates to a steam condensate removal system in a steam-heated Yankee drying cylinder (3) for fiber webs. According to the invention is a continuous steam condensate catching groove (7) arranged in the inner surface with a ...
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WO/2020/109657A1 |
According to an example aspect of the present invention, there is provided amethod for foam assisted drying of nano-and microfibrillated cellulose, which is easily up- scalable and cost-efficient.
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WO/2020/106193A1 |
The invention relates to a drying section and comprises one or more through air drying cylinders 3, 5 and a permeable fabric 9 that runs in a loop and wraps part of the circumference of each through air drying cylinder. The loop of the f...
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WO/2020/079326A1 |
The invention relates to an air re-circulation system (1) and an air re-circulation method for a dryer section of a board or paper machine (2). The system (1) comprises at least three air re-circulation parts (5a-c) connected to a dryer ...
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WO/2020/080988A1 |
The invention relates to a method of transferring a tissue web with residual moisture to a Yankee cylinder and final removal of the dried tissue web from the Yankee cylinder using a doctor blade and collecting the dried web on a reel-up ...
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WO/2020/077424A1 |
The subject matter described consists in a connection for turbulence-bar arch segments designed for joining two arch segments in such a way as to form the arch that supports the turbulence bars. These segments have to make the connection...
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WO/2020/076204A1 |
A tissue machine (1) has a Yankee (3) and a shoe roll (4) that forms a nip with the Yankee (3). The nip has a maximum extension from an entry point (7) to an exit point (8). A flexible belt (9) forms an outer circumference of the roll (4...
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WO/2020/068091A1 |
Disclosed are woven papermaking fabrics having a machine direction (MD) axis and a cross-machine direction (CD) axis, a machine contacting surface and a web contacting surface. The web contacting surface comprises a plurality of MD and C...
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WO/2020/068092A1 |
Disclosed are woven papermaking fabrics useful in the manufacture of fibrous structures, particularly wet-laid tissue products that allow the web contacting surface of the fabric to be woven with three-dimensional topography comprising p...
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WO/2020/064738A1 |
The present invention relates to a method of determining the moisture content of a web (3) of cellulose pulp arriving at a pulp dryer (1). The method comprises measuring, at several instants during a predetermined time interval, the mois...
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WO/2020/035318A1 |
The invention relates to a paper machine for producing a paper or paperboard web (1) comprising a headbox (2), a shaper (3) for sheet formation, a press section for dewatering and a drying section for drying the web (1), wherein the web ...
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WO/2020/030509A1 |
The invention relates to a pressing arrangement for dewatering a paper or cardboard web (1) with a weight per unit area of between 60 and 250 g/m2 and at a machine speed of up to 1800 m/min, consisting of four pressing rollers (2, 3, 4, ...
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WO/2020/005236A1 |
Methods of improving the drying rate of a cellulosic web, such as a tissue web, by providing an apparatus having two noncompressive dewatering devices, such as two through-air driers, where the temperature of the drying medium supplied t...
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WO/2019/231502A1 |
Systems and methods for drying or bonding materials are described. A material to be dried or bonded may be passed through a through air dryer (TAD) or through air bonder (TAB). Some air output by the TAD/TAB may be recirculated to be pas...
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WO/2019/224425A1 |
The invention relates to a grooved and perforated turn roll of a fiber web machine. The turn roll (12) includes a shell (20) and grooves (22) formed on the surface (21) of the shell (20). Suction holes (23) extending through the shell (2...
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WO/2019/219267A1 |
A method for manufacturing a Yankee drying cylinder (1) made from steel, said method comprises the steps of: - welding at least one shell section (17) to form at least one cylinder section (18), which cylinder section (18) forms a cylind...
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WO/2019/219484A1 |
The present invention relates to a method for producing an object, the method comprising the drying of the object or of a precursor thereof, wherein: the object or a precursor thereof is dried at least in part in at least one drying devi...
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WO/2019/220016A1 |
The application relates to a method and an arrangement for conditioning moist exhaust air. The arrangement (1) comprises a heat exchanger unit (3), a washing unit (4) and an air mixing chamber (5). The air mixing chamber (5) comprises at...
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WO/2019/209164A1 |
The invention relates to a Yankee drying cylinder (1) for drying a wet fibrous web (W) which has a shell (6) that is made of steel and has a circular cylindrical form with a central axis (A) around which the shell (6) is symmetrical. The...
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WO/2019/198040A1 |
The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers and/or nanocellulose, applying the fi...
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WO/2019/187152A1 |
As a method for spraying a chemical solution whereby it is possible to, with respect to a dryer roll rotating at high speed, spray a chemical solution at the surface of the dryer roll while moving a nozzle device back and forth along the...
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WO/2019/189712A1 |
As a method for spraying a chemical solution whereby it is possible to, with respect to a dryer roll rotating at high speed, spray a chemical solution at the surface of the dryer roll while moving a nozzle device back and forth along the...
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WO/2019/189713A1 |
As a method for spraying a chemical solution whereby it is possible to, with respect to a dryer roll rotating at high speed, spray a chemical solution at the surface of the dryer roll while moving a nozzle device back and forth along the...
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WO/2019/159469A1 |
According to the present invention, in a heating step for heating an object to be heated with steam via a metal material, to improve the efficiency of heating with steam by adding a condensed-water film formation-inhibiting amine, the am...
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WO/2019/138349A1 |
The machine (10) comprises a Yankee cylinder (35), having a cylindrical side surface (35S), rotating around an axis (35A) thereof, and a continuous flexible member (17) comprising a first surface (17A) suitable to receive a layer of cell...
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WO/2019/133875A1 |
Provided are papermaking belts comprising a plurality of 3-D printed modules comprising first and second machine direction extending arms that may be interdigitated with one another and joined by a linkage pin. The 3-D printed modules ge...
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WO/2019/101520A1 |
In a method for controlling and/or regulating a process air system of a drying hood (12), which is assigned to a drying cylinder (14), of a machine for producing a fibrous web, feed air is fed to a wet part (18) and a dry part (22) of th...
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WO/2019/101701A1 |
Method for controlling or regulating a machine for producing a fibrous web. In addition, method for determining the dryness of a fibrous web, in particular a tissue web, during the production of the fibrous web in a machine, wherein the ...
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WO/2019/092663A1 |
The present invention relates, among other things, to a roll suitable for guiding, preferably drying guiding, of a web, preferably a fibrous web, wherein the roll is provided with a rigid and substantially cylindrical roll core which is ...
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