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WO/1999/018287A1 |
The invention concerns a method and a device in the dryer section of a paper/board machine. In the dryer section a normal single-wire draw is applied at least partly, in which method the web (W) is passed through the dryer group on suppo...
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WO/1999/014429A1 |
An apparatus for drying a cellulosic fibrous structure. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a relat...
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WO/1999/014427A1 |
In a method at the end of the drying section of a paper machine, drying cylinders (1, 2) are arranged in two substantially horizontal cylinder rows, wherein the first drying cylinders (1) are placed substantially higher than the second d...
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WO/1999/014428A1 |
An apparatus for drying a cellulosic fibrous structure. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a relat...
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WO/1999/013153A1 |
An apparatus for drying an embryonic web. The apparatus comprises a micropore medium having pores therethrough. The pores are the limiting orifice in the air flow used in the drying process. The micropore medium has a surface oriented to...
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WO/1999/010596A1 |
A dryer section of a paper machine which is provided with at least one intermediate calendering nip and includes several successively arranged wire groups. The dryer section primarily or exclusively has groups with single-wire draw in wh...
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WO/1999/009246A1 |
A method and device used in drying a pulp web in a pulp dryer (10), comprising several drying levels (20, 44, 22) arranged on top of each other, which drying levels consist of two rows of blow boxes (38, 40, 38', 40') with their nozzle s...
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WO/1999/004212A1 |
The invention relates to a rotary cylinder which also serves as a heat exchanger. Said rotary cylinder has a jacket (1), an inner part (3) and an annular chamber (2) for channelling a cooling or heat transfer medium, said annular chamber...
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WO/1999/002773A1 |
Method and apparatus for drying a coated paper web (W) or the like web. The apparatus (10) comprises sequentially in the running direction of the web - a turning device (16) arranged on the first side of the web and provided with blow no...
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WO/1998/059110A1 |
A papermaking belt and paper made thereon. The papermaking belt may be a through air drying belt having a plurality of deflection conduits therethrough. The deflection conduits are divided into subconduits by peninsular segments. Likewis...
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WO/1998/058123A1 |
A limiting orifice through-air-drying medium for papermaking or other absorbent embryonic webs. The medium may be used in an apparatus which can be embodied in a cover and a roll. The medium has the unique combination of a relatively hig...
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WO/1998/056701A1 |
The invention relates to a device for transferring a threading strip or material strip in a machine used to produce and/or process said material web from a take-over area to a hand-over area along a web path. Said device is characterized...
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WO/1998/056985A1 |
Method and flotation dryer unit for drying a web (12), such as a coated paper web. The flotation dryer unit (10) advantageously comprises several nozzle boxes (14) extending across the web for feeding drying air towards the web to be dri...
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WO/1998/056986A1 |
Method and arrangement for recovering heat from exhaust air in the vacuum system of a paper, cardboard or pulp machine with the help of a heat recovery tower (12). Exhaust air flows (22, 24) dischared by vacuum fans (18, 20) from two or ...
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WO/1998/056983A1 |
The invention concerns an equipment and a method in the transfer of a paper/board web in a paper or board machine. In an embodiment of the invention, the dryer section comprises at least one group of drying cylinders in which, instead of...
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WO/1998/055689A1 |
A differential density single lamina web of cellulosic fibers is disclosed. The web comprises at least two pluralities of micro-regions disposed in a non-random and repeating pattern: a first plurality of high density regions and a secon...
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WO/1998/055687A1 |
The invention relates to a dryer section (1) of a machine for producing and/or processing a web of material (9), especially a paper or cardboard web, comprising at least one heatable drying cylinder (3) which around part of its circumfer...
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WO/1998/053138A1 |
A papermaking through-air drying belt (10) and a method of making the same, as well as a paper web produced on the belt and the process of making the web are disclosed. The belt (10) comprises a resinous framework (20) having a web side ...
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WO/1998/051857A1 |
The invention concerns a method for controlling the curl of paper, in which method steam treatment and/or moistening of the paper web (W) and/or equivalent operations are employed in order to control the curl of the paper web (W). In the...
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WO/1998/051858A1 |
A device for drying or heat treatment of a material web (1), preferably a web of cellulose and/or wood fibre, such as paper, pulp or fibreboard, by means of blow boxes (2, 7) in a plant through which the material web (1) is being advance...
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WO/1998/048105A1 |
The invention concerns a blow-suction box or equivalent for a paper machine or board machine, which box (20) comprises at least a pressure chamber (22) and which box (20) is placed in the vicinity of a cylinder, roll, or equivalent, from...
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WO/1998/048109A1 |
A blow box used in the drying section of a papermaking machine and a method for sealing a pocket provided with a blow box, and a blow nozzle. The blow box (10) is arranged to eject air away from the space (38) between the supporting fabr...
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WO/1998/048108A1 |
The invention concerns a dryer section of a paper machine, which consists of several groups with single-wire draw that include a drying wire (22, 32, 62, 72, 82, 92), inside whose loop there is a number of reversing cylinders (21, 61, 71...
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WO/1998/048106A1 |
The invention concerns a drying unit in the dryer section of a paper or board machine, in which drying unit there is a loop of a drying wire (32; 32a, 32b, 32c, 32d). The drying unit comprises a large-diameter D�1? impingement-drying a...
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WO/1998/048107A1 |
A method and an equipment for evaporation drying of the paper web that comes from the press section (10) of a paper machine. The method consists of three successive stages I, II and III that are carried out in the direction of progress o...
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WO/1998/044191A1 |
The invention concerns a method in the dryer section of a paper or board machine for control of the curl of paper, in which method steam treatment and/or moistening of the paper web (W) is/are employed. In the method, the operations carr...
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WO/1998/042913A1 |
The invention relates to a method and an arrangement for drying a fiber web, whereby the fiber web (5) is dried between two tight bands (1, 2) moving parallelly in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The...
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WO/1998/041805A1 |
In conventional methods absorbent base paper is impregnated by being passed through an aqueous solution of the impregnating agent and then conveyed to a drier after the excess has been squeezed off by means of metering rolls. The quantit...
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WO/1998/039515A1 |
The invention concerns a web finishing section in a paper machine, which finishing section comprises at least a dryer section composed of one or several dryer groups (R�N?), a calender (20), and a reel-up (30). The calender (20) is pla...
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WO/1998/035829A1 |
A nonwoven composite web suitable for use as a battery separator is formed by a wet process on a papermaking machine. The nonwoven composite material is made from a furnish of nylon binder fibers and nylon staple fibers. The web coming o...
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WO/1998/033973A1 |
A dryer section in a papermaking machine has two reversing rolls (18, 20) to form a pocket between each pair of dryers (16, 22) in a dryer tier (15). The first reversing roll (18) is a vacuum roll and the second reversing roll (20) is a ...
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WO/1998/034079A1 |
A combination infrared/convection dryer or oven (10) for drying travelling webs (W). A shutter assembly (8) is provided between the infrared radiation source (16) and the moving web in order to selectively expose the web to infrared radi...
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WO/1998/032918A1 |
A dryer section employs top-felted and bottom-felted dryer sections, each comprised of a single steam-heated drying cylinder with a diameter of about 12 feet. The web is transferred between drying cylinders by a two vacuum roll transfer ...
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WO/1998/032921A1 |
Apparatus and method for coating a moving paper web, in which method the web (2) to be coated is first guided to a coating station (7) correctly aligned and a first side of the web (2) is coated with a coat layer. Next, the web (2) is gu...
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WO/1998/031194A1 |
A heat transfer roller (10) in a machine for coating, printing, copying or heating a web, has a hollow cylindrical roller core (11) and a metal sleeve (15) for conducting heat to or from an object contacting an outer surface (17) of the ...
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WO/1998/027391A1 |
The invention relates to a method and apparatus for producing and carrying hot air to a point of application. The method comprises the use of a gas generator (3), connected to an ejector unit (17) which is fitted in an air duct (14) and ...
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WO/1998/027272A1 |
The invention relates to a method of and an arrangement for treating a fiber web, whereby the fiber web (5) is dried substantially dry and led after that to be treated by means of heat and compression. At least one surface of the dry fib...
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WO/1998/027274A1 |
The invention concerns a roll for a paper machine, which roll (10) comprises an axle (11), on whose support the roll (10) is fitted to revolve, and a surface construction (13), which is connected to the axle by means of support pieces (1...
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WO/1998/027273A1 |
A method for drying of paper, in which method the paper web (W) to be dried is passed from the press section into a forward dryer section (D�1?), in which the web (W) is dried from the side of its bottom face in dryer groups (R�1?......
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WO/1998/026130A1 |
The invention relates to a method of and an apparatus for drying a fiber web, whereby the fiber web is dried in a cylinder drying unit (12) and in a band drier unit (11). The fiber web (5) is led from the cylinder drying unit (12) to the...
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WO/1998/026129A1 |
The invention relates to a method of and an apparatus for drying a fiber web, whereby the fiber web (5) is dried in a cylinder drying unit (12) and in a band drier unit (11). The cylinder drying unit (12) and the band drier unit (11) are...
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WO/1998/019007A1 |
An arrangement in an apparatus for drying a fiber web, in which apparatus the fiber web (5) is dried between two tight bands (1, 2) moving in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The first band (1) is hea...
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WO/1998/019005A1 |
The invention relates to an apparatus for drying a fiber web, in which apparatus the fiber web (5) is dried between two tight bands (1, 2) moving in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The first band (1)...
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WO/1998/019006A1 |
An apparatus for drying a fiber web, in which apparatus the fiber web (5) is dried between two tight bands (1, 2) moving in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The first band (1) is heated by means of a ...
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WO/1998/012380A1 |
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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WO/1998/012379A1 |
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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WO/1998/011298A1 |
A seal arrangement in a fibre web drying apparatus, in which a fibre web (5) is dried between two tight bands (1, 2) that move in the same direction around turning rolls (6a, 6b, 7a, 7b). The first band (1) is heated by a pressure chambe...
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WO/1998/010141A1 |
Apparatus for drying a wet web, such as a wet paper web, includes a through air dryer roll (10). A rotatable fan member (42) having fan blades (44) is located within the through air dryer roll interior at one end of the through air dryer...
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WO/1998/007924A1 |
A new dryer section (20) of an existing dryer section of the two tier double-felted type has air caps (42) disposed over the upper dryer rolls (28) to simultaneously dry both sides of the web (26) to increase drying rates. The heated pre...
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WO/1998/007998A1 |
This invention concerns a roller (110) which can be heated which has a cylindrical roller body (10) which turns about its axis (2) and has a first hollow arrangement (H�1?) and a second hollow arangement (H�2?) in the form of several...
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