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Patent Searching and Data


Matches 501 - 550 out of 2,656

Document Document Title
WO/1999/050499A1
The invention relates to a method and apparatus of drying a fiber web (5) which is dried between two tight bands (1, 2) that move in parallel and turn around turning rolls (6a, 6b, 7a, 7b), the first band (1) being heated and the second ...  
WO/1999/045196A1
A hollow roller or drying cylinder (2) to be rotated and to be heated as a consequence of burning fuel gas within the drying cylinder so that web material such as paper or textile material is subjected to drying heat on coming into conta...  
WO/1999/045076A1
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...  
WO/1999/042655A1
The invention relates to a method and an apparatus for drying a fiber web, in which 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 ...  
WO/1999/040257A1
The invention concerns a roll in a paper machine, such as a suction roll (10) or a variable-crown roll, and a roll in a paper finishing machine, such as a variable-crown roll or a heated roll in a calender for paper, and a coupling arran...  
WO/1999/040258A1
A method and a system in a paper web finishing machine or equivalent, for discharging in a controlled manner air which surrounds the machine and which contains impurities or steam. A first air curtain (30') extending from the first side ...  
WO/1999/036614A1
A system in a coater, paper machine, or similar, for lifting and/or lowering air dryer boxes (14, 16) or the like, fitted on either side of the web running in the said coater, paper machine or similar, and extending across the web, for e...  
WO/1999/036615A1
In a plant (1) for drying a web of material (2), the web is fed through a housing (4) from an entry (6) to an exit (8). The housing (4) contains superposed, horizontal drying decks, which are defined by blow boxes (9), which at their upp...  
WO/1999/033599A1
The invention relates to a method of drilling holes to the surface of a dryer cylinder (1) in a paper machine, whereby the drilling operation is performed onsite without dismantling the cylinder from the paper machine. Such a dryer cylin...  
WO/1999/032714A1
A method and apparatus for drying a paper web, in which method the paper web (W) is dried against the heated cylinder surfaces of the drying cylinders (20, 24, 24'; 410) and by means of air impingement drying with at least one air imping...  
WO/1999/032716A1
A process and an apparatus for making a foreshortened paper web are disclosed. A wet web (60) disposed on a fluid-permeable papermaking fabric (20) is being pressed between two parallel and mutually opposed first and second press surface...  
WO/1999/024665A1
The invention relates to a method of drying a fiber web and an arrangement in a fiber web drying apparatus, the fiber web (5) being dried between two tight bands (1, 2) that move in parallel in the same direction and turn around turning ...  
WO/1999/024664A1
A papermaking machine has a heated Extended Nip press (20) following the pressing section. High temperature pressing raises the exit solids out of the press to 55 to 65 percent. The web then enters a high intensity dryer section (22) whe...  
WO/1999/023300A1
A tissue sheet is made using a modified wet pressing process employing an integrally sealed air press. After initial formation and conventional vacuum dewatering, the wet web is conformed to the surface contour of a relatively coarse fab...  
WO/1999/023297A1
A drying section in a papermaking machine has a first section with a series of single-tiered drying cylinders having vacuum transfer rolls with external vacuum chambers therebetween for improving web runnability, and a second dryer secti...  
WO/1999/023302A1
A noncompressive dewatering device generates air streams that can be used to remove water from cellulosic webs in an energy efficient manner. Further, a wet-pressed machine can be modified to economically produce low-density tissue with ...  
WO/1999/020833A1
A ventilator apparatus (10) is disclosed for supplying air from a source of pressurized air (12) between a dryer (14) and a web (W) supported by a felt (F) extending around a roll (16) of a single tier drying section (18). The apparatus ...  
WO/1999/019563A1
A plant for drying a web of material (2) has a housing (4), which has an entry (6) and an exit (8) and through which the web is fed from the entry to the exit. The housing (4) contains a plurality of superposed, horizontal drying decks (...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  

Matches 501 - 550 out of 2,656