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WO/2012/055897 |
The invention relates to a method and an apparatus for detecting deposits on surfaces of moving machine parts in paper machines. According to the invention, acoustic vibrations generated by the moving machine parts are sensed, and the se...
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WO/2012/045488 |
The invention relates to a sheet forming system for a machine for producing a fibrous web (2), from a fibrous stock suspension (3), having a headbox (4) which comprises a headbox nozzle (5) which tapers to an outlet gap (8) which can hav...
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WO/2012/047105 |
A method, comprising:- conveying a web (W) of fibrous material via a first, upstream roller (52) and a second, downstream roller (54), wherein a tangential velocity (v1) of the first roller is smaller than a tangential velocity (v2) of t...
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WO/2012/041552 |
The invention relates to a device for moistening a fibrous web (10), in particular a paper, tissue, or cardboard web, said device being arranged upstream of a roller pair that forms a roller gap, comprising a steam blowing chamber (6) wh...
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WO/2012/038310 |
The invention relates to a method for regulating the formation of a fibrous web, such as a paper, cardboard or tissue web, in which method the formation of the fibrous web is measured online as a controlled variable and is held at a pred...
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WO/2012/035049 |
The invention relates to a method for regulating the dirt speck area percentage of a running fibrous material web, in particular a paper, tissue or cardboard web, wherein an image is captured of a region of the running fibrous material w...
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WO/2012/035521 |
The invention relates to a hand-held apparatus (1) for controlling the condition of a circulating band (W) in a papermaking machine; the apparatus comprises a hand-held body (2) which carries: a moisture measuring device (4), equipped wi...
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WO/2012/034992 |
The invention relates to a device for determining at least one condition parameter of a moved dewatering belt (4, 12) and/or a moved fibrous web (15), in particular in a machine for producing fibre webs such as a paper, tissue or cardboa...
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WO/2012/032121 |
The present invention relates to an apparatus and a method for applying a liquid active substance to surfaces moving in a circulating manner, such as of cylinders (3), rolls, fabrics (4) or other moving webs, consisting of a metering uni...
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WO/2012/016808 |
The invention relates to a drying section (1) of a machine for producing and/or converting a web of paper, paperboard, tissue or some other fibrous material (11), having a number of drying groups (3, 4, 5), which comprise drying cylinder...
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WO/2012/013857 |
The invention relates to an arrangement for determining blade pressure. The arrangement includes a doctor apparatus (10) equipped with a doctor blade (12) with a work edge (19), for doctoring or coating a surface (13). The arrangement al...
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WO/2012/013484 |
The invention relates to a method for producing and/or processing a web-like material, in particular paper, having at least one measurement system which records m measurement values y ik per measurement position within a fixed time inter...
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WO/2012/007297 |
The invention relates to a machine and method for producing a fiber web (12), in particular a paper or cardboard web, having a press section for dewatering, comprising exactly three separate press nips disposed in sequence and a pluralit...
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WO/2012/007212 |
The invention relates to a method and a machine (1) for producing a fibrous web (F), in particular a paper, cardboard or tissue web, in which, in a press arrangement (3), the fibrous web (F) is guided between two endlessly circulating de...
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WO/2011/158613 |
A paper surface smoothing device for a paper making machine comprises: a lower conveyance belt (33) for conveying wet paper (124) placed on the conveyance surface of the lower conveyance belt (33); a wet-paper sensor (60) for detecting t...
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WO/2011/157639 |
The invention relates to a method for producing a painted fibrous material web, in particular a cardboard web, in which first a material flow (S) is generated, which is then fed consecutively to at least one headbox (1, 1a), at least one...
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WO/2011/157890 |
The invention relates to a conveyor for conveying a web threading tail in a fiber web machine. The conveyor includes at least two return rolls (12, 13) and an air-permeable belt loop (15). Blow components (17) are adapted inside the belt...
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WO/2011/154262 |
Method for monitoring a circulating fabric (1) in a machine for producing a fibrous web, in particular a paper, cardboard or tissue web, from a fibrous suspension comprising a scanning device (2) and an evaluation unit (3) with the follo...
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WO/2011/151239 |
The invention relates to a machine for producing a compacted or non-compacted sack paper web (12), said machine having a head box (1), a screen section (2), a press section (3), a dry section (4A and 4B) and a winding unit (7) and the pr...
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WO/2011/151092 |
The invention relates to a roller for treating a fibrous web with a circulating hollow roller shell (4) which is mounted on a rotationally fixed axle (5), wherein the annular chamber (7) between the shell (4) and the axle (5) is divided ...
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WO/2011/151234 |
The invention relates to a method for producing a coated multilayer fibrous web, in particular a packaging paper or cardboard web. First, a material flow (S) is produced which is then successively fed to at least one headbox (1), at leas...
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WO/2011/151514 |
The invention relates to a guiding device for conveying a web threading tail in a fiber web machine. The guiding device (17) includes at least one guide plate (18) and an air channel (19) as well as openings (21) arranged on the wall (20...
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WO/2011/147870 |
The invention relates to a centrally supported roll (W), as used, for example, in the paper industry. Such centrally supported rolls (W) usually comprise a shaft (A) having axial bearings (L) at the ends, a hollow cylinder (H) surroundin...
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WO/2011/134487 |
The present invention relates to a method for controlling a tension profile of a web comprising the steps heating and calendering the web so as to plasticize the web, measuring the tension profile of the web, and profiled treatment of th...
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WO/2011/135156 |
The invention relates to a roll cover for a roll of a fiber web machine comprising at least one thermoplastic polymer in the form of a tape.
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WO/2011/128491 |
The invention relates to a roll cover for a roll of a fiber web machine, comprising at least one rubber compound. A typical roll cover according to the invention further comprises at least one quinone diimine in an amount of 0.05 - 10 pa...
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WO/2011/129758 |
A laminating roller (10, 28, 100) for laminating a sheet of a packaging laminate (23, 25, 31 ) is provided, said roller comprising at least one groove (130) extending along the periphery of said roller and forming a border between two ci...
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WO/2011/098284 |
According to the invention, to produce a roller (1) with an applied surface coating (4), a liquid surface material is supplied to the roller during rotation (8) of the latter and said material is distributed with the desired material thi...
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WO/2011/095691 |
The invention is relating to a deflection adjustable roll of a fiber web machine comprising a stationary shaft (2), a shell (1) arranged rotatably around the shaft (2), and loading elements (6) supported in the shaft (2) for loading the ...
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WO/2011/095633 |
An apparatus (10) for treating products continuously fed to the apparatus comprises a first roller (18) rotatable around a first rotation axis (19) and a second roller (20) rotatable around a second rotation axis (39) parallel to the fir...
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WO/2011/095228 |
An apparatus (10) for treating products continuously fed to the apparatus comprises a first roller (18) rotatable around a first rotation axis (19) and a second roller (20) rotatable around a second rotation axis (39) parallel to the fir...
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WO/2011/092064 |
The invention relates to a doctor blade (30, 30') for doctoring the lateral surface (21) of a rotatable body (20). The doctor blade (30, 30') comprises a main body (31), which has an end face (34) for contacting the lateral surface (21) ...
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WO/2011/088888 |
There is described a head box for a paper machine or the like, wherein a nozzle is adapted to apply a web-forming, fiber-containing pulp to a wire arrangement. The head box comprises a header to which said pulp is supplied, a tube bank i...
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WO/2011/088583 |
The invention relates to a doctor blade (100, 200,..., 700), in particular for scraping printing ink from a surface of a printing plate, comprising a flat and elongated main body (110, 210,..., 710) having a working edge area (130, 230,....
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WO/2011/088888 |
There is described a head box for a paper machine or the like, wherein a nozzle (1) is adapted to apply a web-forming, fiber- containing pulp to a wire arrangement. The head box comprises a header (3) to which said pulp is supplied, a tu...
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WO/2011/083206 |
A method for grinding a roll, in which method a roll (2; 25) in a paper or paper- board machine or a corresponding machine for processing a fibrous web is ground by a grinding device (1; 15) installed in the machine, and in which method ...
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WO/2011/079859 |
A drive device is proposed which comprises a roll (10) for transporting material, and a variable reluctance motor including a stator (20) and a rotor (10a), said rotor comprising salient poles (30), wherein the roll comprises a shaft par...
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WO/2011/077015 |
The invention relates to an arrangement and a method in connection with an impingement dryer (10, 20, 30) of a fiber web (50). According to the invention in the method: - the fiber web (50) is guided into the impingement dryer (10, 20, 3...
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WO/2011/076575 |
The invention relates to an oil lubrication device (1) for a shoe press (6) of a web-processing machine, in particular a machine for producing paper, cardboard or tissue, comprising an oil feed system (7) for feeding an oil flow into the...
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WO/2011/076268 |
The invention relates to a system for transporting a fibre web (47) through a dry end of a fibre web processing machine from a drying section (1) to a reeling section (2) of the machine. According to the invention, the system comprises o...
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WO/2011/076454 |
The invention relates to a method for detecting surface defects (12) on rolls in a fibrous material machine or a machine processing fibrous material. Said machine can in particular be a paper machine, a machine processing paper, or a cal...
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WO/2011/076453 |
The invention relates to an assembly for controlling the position of a roll or the gap pressure of a roll gap, in particular in a fiber web machine, for example a paper, cardboard or tissue machine. The assembly according to the inventio...
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WO/2011/077015 |
The invention relates to an arrangement and a method in connection with an impingement dryer (10, 20, 30) of a fiber web (50). According to the invention in the method: - the fiber web (50) is guided into the impingement dryer (10, 20, 3...
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WO/2011/073532 |
The invention relates to a doctor (30) in a paper/board machine to prevent the web from wrapping around a roll or a cylinder/drum (31). The doctor (30) is implemented as a rotating, advantageously roll doctor or brush doctor, which inclu...
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WO/2011/073534 |
The present invention relates to a coating for use in a component of a fiber web machine, comprising polyurethane elastomer and 0.1 – 9.0 wt-% of surface modified particles selected from the group consisting of high density polyethylen...
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WO/2011/070229 |
The invention relates to a doctor blade for a fiber web machine. The doctor blade (10) includes a blade section (11) and a fastening detent sect ion (12). In the cross-sectional plane, the blade section (11) is asymmetric while the faste...
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WO/2011/058935 |
Disclosed is a deinking effluent treatment apparatus (52) which is provided with: an endless mesh belt (57) looped around a plurality of rotating rollers (55); a belt driving unit which drives the mesh belt (57) to run; a deinking efflue...
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WO/2011/054751 |
The invention relates to a drying device (1) for a machine for producing a material web (18), in particular a paper, cardboard or tissue web. The drying device (1) comprises at least one first and at least one further subsequent drying g...
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WO/2011/045090 |
A method is described for controlling a process section for refining fibrous material such as wood pulp, cellulose pulp and the like. The process section has a refiner driven by a motor of which the speed is variable. Using a multivariab...
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WO/2011/045237 |
The invention relates to an end face cover (18) of a roller or cylinder of a machine for producing a fiber material web, in particular paper, cardboard, or tissue, having a manhole or hand hole (20) acting as a service opening. in additi...
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