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JP4162864B2 |
The present invention is characterized in that in a simulation for predicting a steam pressure setpoint after grade change, an initial moisture percentage is evaluated from differences between bone-dry basis weights and between machine s...
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JP4159873B2 |
A dry end of a paper machine located in a paper machine room, comprising a drying cylinder (1; 32) for drying a paper web (5), a hood (2) covering the drying cylinder, and a reel-up (6) for winding the dried paper web into a roll. Accord...
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JP4159786B2 |
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JP4153728B2 |
The invention concerns a connecting structure (10) between a driving transmission (11) and a roll (100) driven through it. The driving transmission (11) includes an input shaft (12) in the drive, whereby through the input shaft (12) the ...
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JP4153034B2 |
The invention concerns a system of oil feed ducts for a variable-crown roll, which roll (10) comprises a stationary roll axle (11) and a roll mantle (12) that is arranged revolving on said axle and that es supported on the roll axle (11)...
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JP4142581B2 |
A three-stream atomizing nozzle that has an air stream divider that separates the atomizing air from the source into three streams. The first stream is a straight air stream staying closest to and around the atomized water jet. The secon...
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JP2008534799A |
An industrial blade for use in pulp and papermaking processes and method of making such a blade. The industrial blade is typically a doctor blade and is fabricated from a plurality of web layers, each web layer formed from a mixture of p...
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JP4133783B2 |
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JP4132314B2 |
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JP2008530401A |
The present invention relates to a paper machine or paperboard machine for supporting parts or devices (10) of a paper machine or paperboard machine, or a basic structure for a paper machine or the like. The foundation structure includes...
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JP2008174847A |
To provide the outer shell connection structure of a traveling guide, which is not damaged even due to repeated loads, by considering that a joint member composed of rubber, etc., useful in the folding structure of a traveling guide for ...
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JP4125171B2 |
The machine for the production of a paper web (10) has a closed fourdrinier (1,2) moving around carrier and guide rollers (11,21), and a stock inlet (3) to feed pulp to the fourdrinier assembly. Suction units (41-43) are along the line o...
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JP4128744B2 |
The invention concerns a process for treatment of faces that contain chromium or aluminum in a paper/board machine or in a finishing machine. A fluorine compound of low surface energy is applied onto the face, which compound is made to a...
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JP2008527362A |
A method for measuring a nip pressure and/or a pressure profile is provided, wherein a nip-forming roll is fitted with a pressure sensor under a coating layer which is protective and functions as a spring on top of the sensor, and the ni...
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JP2008527361A |
A method and a roll for measuring a tension profile is provided. The roll has planted on its surface a spirally helical pressure-sensitive film sensor, such as an EMFi pressure-sensitive film sensor, which makes contact with a web obliqu...
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JP4121147B2 |
The invention concerns a calender which comprises a variable-crown upper roll (13, 13a), a variable-crown lower roll (14, 14a), and two or more intermediate rolls (15...22, 15a...22a) fitted between the upper (13a, 13a) and lower (14, 14...
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JP4122354B2 |
To provide a paper base material for information recording disk which has high water resistance and a surface barrier property, also has high smoothness and surface strength, in which curl and twist do not exist, paper powder is not caus...
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JP4118139B2 |
The invention is directed to an apparatus for web threading in a drying section of a paper machine or the like, which apparatus comprises a cutter (22) or the like which cuts a first strip, the so called leader (24), and at least one sec...
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JP4116253B2 |
The invention relates to a device for conveying and guiding a lead-in strip in a paper machine, which device comprises a conveyor (20) formed on an air permeable material, said conveyor having a run (20A) with opposed faces on respective...
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JP4112855B2 |
A roll end (30) for a roll, in particular for a heatable roll, in a paper or board machine or in a finishing machine is made by a powder metallurgy process in a mold (20) such that a duct system (10) for a heat transfer medium is formed ...
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JP4101881B2 |
A method for quick-opening a set of rolls in a calender, in particular a supercalender, in which a paper or board web to be calendered is passed through calendering nips formed by a variable-crown top roll, a variable-crown bottom roll a...
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JP2008127734A |
To provide a cleaning device which can more effectively clean a felt.The device for cleaning a felt in a paper production plant guides a felt on support elements, and at least one suction device and at least one device for spraying a cle...
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JP2008127732A |
To provide a device for the detachably fixing of the holder for a doctor blade in a paper production plant.The holder is installed on a swingable support around a shaft oriented at least toward the direction of a doctor edge abutting on ...
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JP4082680B2 |
A resin roll (1) comprises a lower winding layer (3) comprising a fiber-reinforced resin formed on an outer periphery of a roll core (2), and an outer sleeve (5) comprising a synthetic resin formed on the outside through an adhesive laye...
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JP4083569B2 |
An adhesive for resin roll assembly which is to be used in such a manner that the adhesive is injected into the space between a cylindrical object made of a resin and either a roll core or a fiber-reinforced underlayer formed by winding ...
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JP4081261B2 |
The invention relates to an extra-roll slide bearing system (20) for a paper/board machine or a finishing machine, surrounding a shaft (2) in a roll (1). The bearing system comprises a body section (5), which is formed with a bearing hou...
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JP4073402B2 |
To reduce undesired vibrations at least at a rotating cylinder (01), at least one actuator (10,11) is tripped by signals (S) to counter any vibrations. The actuator is on part of the cylinder journals (07,08), to act on the side of the j...
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JP4063352B2 |
A drive mechanism of a suction or deflection adjustment roll having a spur wheel gear. For a suction roll, a stationary suction box may be guided outward through the drive mechanism to be coupled with a suction device. An external gear r...
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JP4063100B2 |
A paper machine control device capable of preventing by means of a simple and low-cost configuration problems such as hunting by mutual interference between a retention control and an in-paper ash content control even when the both contr...
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JP4059954B2 |
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JP2008506914A |
A bendable cylinder ( 1, 2 ), especially a spreader for spreading a web-like material, said cylinder comprising a continues tubular cylinder jacket ( 1 ) of composite material and a fixed shaft part ( 2 ) on which the cylinder jacket is ...
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JP2008506844A |
The present invention relates to a steel band 1 for the manufacturing of doctor blades, coater blades or creping blades comprising a steel composition comprising in percent per weight 1-3% C, 4-10% Cr, 1-8% Mo, 2.5-10% V and the remainde...
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JP4057137B2 |
The present invention concerns a press roll, in particular a centre roll, for a paper/board machine, a method for manufacture of the roll, and a composition of the coating of the roll for difficult corrosion conditions. Onto the frame pa...
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JP4055083B2 |
A method of predicting the dry stock weight of paper that is produced by a papermaking machine based on simultaneousness measurements of (1) the water weight of the paper stock on the fabric or wire of the papermaking machine and of (2) ...
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JP4057138B2 |
The invention concerns a roll for use in the manufacture of paper and board, a press roll, in particular a centre roll in a press, a backup roll for an extended-nip press roll, a hot press roll, or equivalent, which is in direct contact ...
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JP4051101B2 |
A roller bend compensation roller (10) has a number of fluid scraper units (20) distributed along the axial length of the inner surface of the roller mantle (12). They are located at gaps in relation to the roller mantle supports (16). P...
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JP4047543B2 |
The invention concerns a storage box A 0 (10) for doctor blades employed in servicing of the face of a roll in a paper/board machine. The box is a polygon construction, in whose interior the reel (R) formed by doctor blades (t1, t2) has ...
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JP2008503659A |
The present invention relates to a method for coating fibrous paper with one or more coating layers. The method comprises applying at least one layer of coating material to at least one surface of the fibrous paper using a curtain coater...
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JP2008501873A |
The present invention relates to a method and a paper machine for producing a calendered paper web. The method includes the step of partially loading with ash a plurality of fibers of a fibrous stock suspension. The paper machine for the...
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JP4036990B2 |
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JP4037762B2 |
A composite composition to be used in a doctor blade construction, said composite laminate construction comprising: (a) one or more central layers comprising an engineering thermoplastic resin filled with heat-resistant, non-glass, long ...
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JP4036545B2 |
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JP4030563B2 |
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JP4027987B2 |
The invention concerns a method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine, in which method the paper web (W) is first finished in a finishing section, in which finishing section the paper w...
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JP4026891B2 |
The system to control the paper quality at the stock inlet, to set the lateral and/or longitudinal paper profile has a sensor (30) to measure one characteristic of the paper web profile, and a further sensor (31) which registers a differ...
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JP4024674B2 |
A composite doctor blade comprises a steel support band configured with a width and thickness suitable for mounting in a blade holder, with tensile and yield strengths suitable for a selected doctoring application. A wear resistant strip...
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JP4010828B2 |
The calender roll assembly for a pressed paper web has an end preloaded roller stack each with an upper and lower end roller (3,4) and multiple intermediate rollers (6) mounted together in the stack plane. The rollers define working gaps...
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JP4008503B2 |
A calendering method and calender in which a web material is passed through a calender, the calender being defined by two rolls having resilient roll coatings and being loaded towards each other so that due to the resilient nature of the...
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JP4008504B2 |
A calendering method and calender in which a web material is passed through a calender, the calender nip being defined between a heatable hard roll and an endless, flexible and substantially non-compressible calendering belt. The heatabl...
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JP2007530801A |
A spring doctor, particularly for use for cleaning the surface of rolls ( 2 ), used in the and including a blade ( 8 ) that is essentially the width of the roll ( 2 ) being cleaned, and which is attached to a blade holder ( 1 ). In the d...
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