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WO/2001/061107 |
A method and a device for calendering paper in a calender which comprises at least one calender unit (10; 110) in which a first calendering nip (N¿1?; N¿3?) is formed between a heatable calender roll (16; 116) and an extended-nip roll ...
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WO/2001/061106 |
The invention relates to a calender intended for calendering a paper or board web (5) arranged to move, the calender at leat two rolls (1, 2) arranged in nip contact, between which the web (5) bieng calendered is arranged to travel, and ...
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WO/2001/060566 |
A roll polishing device capable of polishing a roll installed in a paper making equipment at an operating position, wherein a guide rail (10) extending in parallel with the rotating shaft of the roll is provided over the roll (R), a runn...
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WO/2001/059211 |
In the method for calendering a paper or paperboard web, the properties of a paper or paperboard web (W) are modified by changing the vapour pressure inside a moist paper or paperboard web. The device for calendering a paper or paperboar...
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WO/2001/057310 |
The invention relates to an arrangement in a paper machine, in which a paper web (PR) is treated with at least one finishing unit, such as a calender (2), after the dryer section before the reeling up stage of the paper web (PR) in the r...
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WO/2001/055504 |
The invention relates to a method for calendering a paper or board web, in which method the web (W) is calendered in at least one calendering nip (N1 - N8), and in which method the web (W) is moisturized before calendering. In the method...
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WO/2001/055501 |
The invention relates to a method for determining a characteristic value for the binding force potential of the paper fibers present in a fiber suspension that is prepared for producing paper. According to the invention, the air content ...
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WO/2001/055503 |
The invention relates to a calender intended to calender a paper or board web (4), which calender comprising a calendering section, in which there are at least two members, such as rolls (1, 2, 3), in nip contact, between which the web (...
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WO/2001/053604 |
Roll-changing apparatus for a multi-nip calender an upright part (10) of the roll-changing apparatus having at least one vertical column (11), to which at least one horizontal beam (12) and, at its lower end, a carrier part (13) belong, ...
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WO/2001/053603 |
Method for the characterisation of a fibre suspension stream (6), which fibre suspension stream flows from a head box (2) in a paper or paperboard machine and out onto a wire (4), the true direction and velocity of the stream (6) being d...
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WO/2001/051705 |
The press device for a paper web, such as a calender, contains a flexible moving element (1a) forming an endless structure, said element forming the shell (1) of a roll, the press device including further a counter roll. Inside the movin...
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WO/2001/051704 |
The press device for a paper web contains at least one calender nip (N) for applying pressure to the paper web, said calender nip (N) being formed between a first roll (1) equipped with a flexible shell (1a) and a second roll (2). A shoe...
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WO/2001/051709 |
A paper product suitable for use in making envelopes and the like and having enhanced printability. The enhancement in printability is attained through the use of shoe nip calendering. The final product has the following material propert...
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WO/2001/049931 |
A method and an apparatus for identifying mapping of a paper machine by means of a mapping test. The invention comprises forming a mapping model which takes the linear and non-linear shrinkage of a paper web into account. The mapping tes...
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WO/2001/050030 |
The invention relates to a method for damping the vibration of a roll used in paper production so that damping is exerted on the roll mantle from the outside of the mantle. In addition a vibration characteristic is measured and the dampi...
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WO/2001/048309 |
The invention relates to a device for temporarily diverting a strip of paper or cardboard from the conveyor band (6) of a machine for the production or post-treatment of paper or cardboard. The inventive device comprises a rotatable guid...
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WO/2001/046522 |
The invention relates to a heatable roll, in particular a calender roll, which comes into direct contact with a paper or board web, which roll (10; 110) comprises a hollow tubular roll shell (11; 111) which is revolvingly mounted at its ...
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WO/2001/044566 |
A compact multilevel paper making machine is provided comprising a web-receiving region where a web of paper is received on a fabric forming a continuous loop, a reel-up for winding the paper web onto a roll, and a web transfer point dis...
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WO/2001/044570 |
Both rolls have a stationary support structure (11; 111), a sleeve (12; 112) rotating around the support structure (11; 111) and a loading shoe (13; 113) which is supported on the support structure (11; 111) by means of loading elements ...
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WO/2001/042562 |
The invention relates to a thermoroll (2) used in the treatment of paper or the like, especially to a calender roll equipped with channels (1) for conveying a heating medium adjusting the temperature of the roll inside the roll. The ther...
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WO/2001/040573 |
A method and device for stabilizing the movement of a web in the press section of a paper or board machine in rectilinear transfer of the web, while supported by a fabric (20), from a roll (23) to a second roll (31). With the aid of the ...
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WO/2001/040571 |
The invention relates to a method in replacement of a process roll in a paper machine or equivalent. In accordance with the invention, the replacement roll to be fitted in place is heated substantially to its process temperature or at le...
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WO/2001/040572 |
The invention relates to a method for using water hydraulics in a paper or board machine, in particular in applications requiring lubrication and in the like in which an operating medium is subjected to pressure. According to the inventi...
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WO/2001/040806 |
The invention relates to a method and an arrangement for controlling a sheet-making process. In the solution, a sheet matching desired values is manufactured. A measuring unit measures the state of the process to produce one or more meas...
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WO/2001/039973 |
The invention concerns a sleeve designed to be mounted on a metal support roll and comprising at least a functional layer (20) forming the outer surface of the sleeve, and layer for being fixed (21) on the roll (1) whereof the constituen...
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WO/2001/036746 |
The invention relates to a device for removing water from a fibrous material strip, comprising a dewatering component (1) composed of an upper (3) and a lower sieve (4) whereby a first wedge-shaped dewatering zone (5) is provided which c...
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WO/2001/032982 |
The present invention relates to a calendering arrangement for a paper machine for producing higher-gloss paper grades, in particular paper grades with a Hunter gloss % above 40. In accordance with the invention, the arrangement comprise...
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WO/2001/032980 |
The invention relates to an apparatus for the on-line determination of paper web moisture content and/or temperature on the dryer section of a papermaking machine. The apparatus is designed to form, in combination with a doctor means and...
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WO/2001/030533 |
A system for controlling a dynamic surface includes at least one sensor (114) for detecting the presence of a deflecting force on dynamic surface (108) and generating a feedback signal proportional to the deflecting force. The system inc...
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WO/2001/029316 |
A new quality of uncoated paper and board products, such as liquid board or white top liner, of one or more layers with a top layer of bleached chemical pulp is described. The top layer surface has a gloss value of 20-50 %, a coefficient...
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WO/2001/029317 |
In the method, a release layer is formed on base paper to manufacture release paper. The base paper is calendered before forming the release layer in-line on the same production line. A further object of the invention is equipment for ma...
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WO/2001/028766 |
A multilayer composite doctor blade (10) has a side edge configured for application to the surface of a rotating roll in a paper making machine. The doctor blade has an inner core (28) and intermediate layers (30, 32). The doctor blade m...
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WO/2001/029312 |
Methods for considering system-wide operation parameters in a paper machine for regulation of efficiency of functional additives, e.g., strength agent and/or sizing agent, and of operations of a paper machine manufacturing cellulosic she...
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WO/2001/027390 |
The present invention relates to a method for calendering a moving web (1) of paper or board. The web (1) is passed to a calender (2) and calendered therein. At least one quality of the calendered web (1) is measured at a first measureme...
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WO/2001/027389 |
A calender and an arrangement for mounting calender rolls, the calender comprising at least two calender nips (1, 2) formed by at least two stacked rolls (11 - 14). The rolls have bearing housings (3 - 6) by means of which the rolls (11 ...
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WO/2001/025533 |
The invention relates to a blade holder for a doctor, in which in the front part there is a throat (7) or similar for the doctor blade (4) of the doctor and which blade holder has loading members (5) connected to it to press the doctor b...
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WO/2001/025535 |
Disclosed is a method for considering system-wide operation parameters in a paper machine for overall regulation of machine operations, including, e.g. runnability and/or cleanliness, and are especially suited for paper making systems ha...
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WO/2001/023666 |
The present invention relates to a method for a multi-roll calender and to a multi-roll calender for controlling the moisture gradient of a fibrous web and for enabling the manufacture of high quality paper grades, such as WFC, LWC-roto ...
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WO/2001/023667 |
The present invention relates to a calender for calendering a moving web of paper or board, the calender comprising a top roll (1) and a bottom roll (2), both of the rolls being of the variable-crown type, at least one intermediate roll ...
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WO/2001/021850 |
The invention relates to a thermal sprayable coating powder which is comprised of 15 % to 25 % by weight of Si0¿2?, from 75 % to 85 % by weight of Cr¿2?O¿3? and optionally a binding agent. It also relates to a method based on spray-dr...
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WO/2001/021888 |
The present invention relates to a method and assembly for opening the nips (9, 10) of a calender comprising at least two elements (1, 2; 3, 4) brought to a nip contact with each other, especially for performing the nip opening at a brea...
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WO/2001/021889 |
The present invention relates to paper and board machines, in particular, the present invention relates to a method and an arrangement for control of rolls, in particular for controlling relieving, the deflection line of rolls, the linea...
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WO/2001/020077 |
The invention relates to a doctor unit in a paper machine, which includes a blade carrier (10) with a blade holder (11) fitted to it. A doctor blade (12) is arranged in the blade holder (11) to doctor a roll (13) or similar moving surfac...
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WO/2001/016424 |
The present invention relates to calendering of a fibrous web. More specifically, the invention relates to a shoe roll for a calender, advantageously a multi-roll calender, a supercalender, a soft calender or equivalent, which calender c...
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WO/2001/014637 |
The present invention relates to a method and an arrangement for surface treatment of a paper and/or board web (W). In accordance with the invention, the arrangement is formed of a yankee cylinder (2) and a calendering unit (5) placed on...
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WO/2001/014233 |
In manufacturing a moving web, such as a tissue sheet, the web is transported at very high speeds, often in an unsupported manner, which can result in unstable operations regarding handling and winding of the web. This is particularly tr...
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WO/2001/012898 |
The solution of the invention relates to a method and apparatus for the treatment of a paper web in a paper or cardboard machine. The essential feature of the solution of the invention is that a moving material web (1), its properties an...
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WO/2001/006241 |
An arrangement for measuring properties of a moving paper web. The arrangement comprises measuring means for measuring paper properties, in connection with which a plane-like support surface (4) is arranged. The plane-like support surfac...
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WO/2001/006056 |
Method of estimating unknown or imprecisely known variables in a paper making process wherein a mathematical model of a process is formed, the model including at least one target variable which is unknown or imprecisely known. A pluralit...
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WO/2001/004414 |
The present invention relates to an equipment for reeling used doctor blades to be in storable form for reuse, after-treatment or recycling of doctor blades. The equipment comprises a reeling device (10), provided with a support base (1)...
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