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Patent Searching and Data


Matches 451 - 500 out of 3,658

Document Document Title
WO/2005/070550A1
A refining element intended for refiners of disc-type for working fibrous material, where the refining element (10) is provided with a pattern of bars (13, 14) and intermediate grooves, and the refining element (10) is divided into an in...  
WO/2005/061783A1
The method is used to grind a suspension of paper fibers (S). Said suspension is ground predominantly as a result of pressure forces between two grinding surfaces (1,2) which are located on grinding tools which are pressed against each o...  
WO/2005/061781A1
A device and a method for withdrawing cellulose pulp with a pulp concentration of 8-14 % from a cylindrical storage tower (101) with a plane bottom and with a diameter that exceeds 3 meters. A pipe (102) is arranged through the wall of t...  
WO/2005/058502A1
The invention relates to a disc mill having two substantially parallel grinding discs (2, 3) that are configured as annular discs having a center passage (4) and that have opposite working surfaces (9, 10). These working surfaces are spa...  
WO/2005/056914A2
The invention relates to a device (1) for treating a fibrous substance for producing paper that, in addition to fibers, contains at least water and filling material, in particular, a secondary filler material. The device comprises: a fir...  
WO/2005/054573A1
A screening apparatus for screening pulp suspensions comprises a housing (2), a screen basket (8) having a tubular mantle wall with screen apertures, the mantle wall dividing the interior of the housing into a central chamber (10) and an...  
WO/2005/046879A1
The present invention relates to a method of monitoring a liquid fluid mixture and a system carrying out the method. The invention also relates to the use of the system for monitoring liquid fluid mixtures. The method of monitoring a liq...  
WO/2005/045128A1
A screening apparatus for screening pulp suspensions comprises a screen basket (8), a rotor (26) for providing pressure and suction pulses in the suspension to be screened along the screen basket, and a dilution liquid header (28) for su...  
WO/2005/042832A1
A method and an apparatus for estimating an optimal dosage of bleaching agent to be used in a process for producing pulp of a required brightness value involve a set of wood chip properties characterizing the wood chips as estimated by a...  
WO2004111331A3
An improvement to a mechanical refining system relates to an apparatus including three or more actuators (100) coupled to a stator (42) of the refining system, and a controller for independently operating the actuators. An improved metho...  
WO2004101889A8
Methods for reducing energy required for a pulp refining processes by treating a mechanical pulp with a hemicellulase composition are presented. The enzymatic treatment can be carried out at a temperature of from about 10 degree C to abo...  
WO/2005/028745A1
A thickener for concentration of a fibre pulp suspension, comprises a rotatable screen member (4) having screen passages dimensioned for separating the fibre suspension into a first fraction that passes through the screen member and subs...  
WO2004067178A8
An improved method for the manufacture of a solid disc rotor and/or rotor segment for a single disk refiner, double disk refiner, multi-disk refiner, single cone refiner, or a double cone refiner. The invention comprises a plurality of b...  
WO/2005/021865A1
The present invention relates to a method and apparatus for feeding chemical into a liquid flow. The method and apparatus according to the invention are especially suitable for applications where very small volumes of chemical must be fe...  
WO/2005/019528A1
The invention relates to a method for refining paper or cellulose fibres in an aqueous suspension. According to the invention, a refining region is formed between the inner wall of a rotating refining drum, e.g. a refining cylinder (1), ...  
WO/2005/019529A1
A method for manufacturing a screen cylinder and a screen cylinder with screen wires (2) in the axial direction of the screen cylinder (1) set at predefined intervals into a cylindrical screen surface and fastened to support rods (3), an...  
WO2005002817B1
The invention relates to a method for producing a fibrous material used in the manufacture of moulded parts, according to which a binding agent is added to the fibrous material, which is then compressed to form a moulded part with the ad...  
WO/2005/017253A1
A method and a device for separating material flows from aqueous suspensions containing pulp fibers or other fine particles formed in the paper or pulp manufacturing process, in which the aqueous suspension is led into a separation tank ...  
WO/2005/010274A1
A sclereid concentrator is an apparatus designed to concentrate sclereids found in pulp. The sclereid concentrator is based around a mini-hydrocyclone (1). When a slush pulp sample is passed through the mini-hydrocyclone, practically all...  
WO/2005/005716A1
The present invention relates to a method and arrangement for treating pulp. The method and arrangement according to the invention are suitable for use in production of chemical pulp in situations, where gas must be separated from the pu...  
WO/2005/002817A1
The invention relates to a method for producing a fibrous material used in the manufacture of moulded parts, according to which a binding agent is added to the fibrous material, which is then compressed to form a moulded part with the ad...  
WO/2005/003450A1
A fiber/biodegradable resin composite material having high rigidity and high strength can be produced by dispersing a fiber component in a resin component finely and uniformly by a general-purpose kneading means without pretreatment of t...  
WO/2004/110628A1
A refining surface for a refiner intended for defibrating lignocellulose-containing material, the refiner comprising at least two refining surfaces (1, 2) arranged coaxially relative to each other, at least one of which rotates around a ...  
WO/2004/111331A2
An improvement to a mechanical refining system relates to an apparatus including three or more actuators (100) coupled to a stator (42) of the refining system, and a controller for independently operating the actuators. An improved metho...  
WO/2004/109276A1
A method and system for determining trace oversize contaminant particles in a paper-making pulp employs a screen assembly having a screen housing with a screen mounted therein, and ports for introduction of aqueous pulp and rinsing and f...  
WO2004076740A3
Paper pulp is added to a stain solution. The stain solution and pulp fibers are mixed to form a slurry. Samples are removed from the slurry and are admixed with dilution water and a bleach. Then, the fibers are moved into a flow cell (20...  
WO/2004/109010A1
The invention relates to a method for the manufacture of a multilayer paper or board web containing recycled fiber. The method comprises forming the multilayer web of at least two layers having stock compositions different from each othe...  
WO/2004/106632A1
A refiner steam separation system according to the present invention includes a blowline for transporting a mixture of fiber material from a refiner to an inlet of a steam separator. Waste steam is discharged from the separator through a...  
WO/2004/103567A1
Refining element intended for refiners of disc-type for working fibrous material, where the refining element (10) is formed with a pattern of bars (11) with upper surfaces (13) and side surfaces (14) and intermediate grooves (12). A plur...  
WO/2004/101889A2
Methods for reducing energy required for a pulp refining processes by treating a mechanical pulp with a hemicellulase composition are presented. The enzymatic treatment can be carried out at a temperature of from about 10 degree C to abo...  
WO/2004/097106A1
The content of ray cells in cellulose pulp causes problems and therefore these ray cells should be removed from the cellulose pulp to improve the pulp quality. The present invention makes this possible and comprises a method wherein at f...  
WO/2004/097107A1
The invention relates to an arrangement for gas removal including a vertical cylindrical vessel (1) having an outlet (8) and a tangentially arranged inlet (6). The inlet includes means which bring an incoming fluid (4) into a jet which i...  
WO2004053225A3
The operation of pulp screening apparatus (10) may be improved by employing a multi element foil (14) having a leading foil section (22) and a trailing foil section (24) spaced from and trailing leading section (14) so that adjacent surf...  
WO/2004/085070A1
A sensor device for measuring distance between a stator and a rotor in a machine is of the magnetic type and is intended to be mounted in the stator in order to interact with an opposing surface on the rotor. A sensor body (10) can be mo...  
WO/2004/078355A1
A refiner plate (10) for wood chips and pulp fiber having bars (12) defining grooves (14) and partial dams (16) in the grooves. Each bar comprises a set of overlapping bar elements defining an end face that acts as a partial dam of pulp ...  
WO/2004/078314A1
DNT washer belt comprising a length of fabric and at least one edge guide (8), the edge guide and the fabric (16) being joined together whereby the edge guide extends into the longitudinal direction of said fabric and forms a protruding ...  
WO/2004/076739A1
A method for controlling a process to produce refiner pulp, where the method is controlled with a multivariable control algorithm, where at same time two or more of the following quantities are used as control variables; a) mass flow of ...  
WO/2004/076740A2
Paper pulp is added to a stain solution. The stain solution and pulp fibers are mixed to form a slurry. Samples are removed from the slurry and are admixed with dilution water and a bleach. Then, the fibers are moved into a flow cell (20...  
WO/2004/072365A1
The invention relates to an apparatus in the treatment of the stock passed to a headbox of a paper machine or equivalent, in which the apparatus includes at least two stock chests (10a1, 10a2). The stock (M1) from a first stock chest (10...  
WO2004054717A3
The invention relates to the production of fittings, used e.g. in refiners for pulverising paper stock. The inventive accessory consists of a base body (1), a mask (3) lying on said body, in addition to processing elements (5) which proc...  
WO/2004/067178A1
An improved method for the manufacture of a solid disc rotor and/or rotor segment for a single disk refiner, double disk refiner, multi-disk refiner, single cone refiner, or a double cone refiner. The invention comprises a plurality of b...  
WO/2004/065687A1
A filter sector (1) for use in rotary disc filters for separating pulp suspensions comprises opposite filtration walls (2) of a substantially rigid, wherein a filtrate chamber (4) is formed between the filtration walls for receiving filt...  
WO/2004/062807A1
Refining element for use in refiners for working lignocellulosic fibrous material in a cone-shaped refining gap (6) between two refining means (1, 2) with opposed conical surfaces, where the refining means (1) with the outside located co...  
WO/2004/054717A2
The invention relates to the production of fittings, used e.g. in refiners for pulverising paper stock. The inventive accessory consists of a base body (1), a mask (3) lying on said body, in addition to processing elements (5) which proc...  
WO/2004/053225A2
The operation of pulp screening apparatus (10) may be improved by employing a multi element foil (14) having a leading foil section (22) and a trailing foil section (24) spaced from and trailing leading section (14) so that adjacent surf...  
WO/2004/050988A1
The inventive method serves to alter suspended paper fibers or cellulose fibers, particularly in order to increase the strength of the paper produced from these fibers. To this end, beating surfaces provided with elevations (4) and depre...  
WO/2004/046457A1
The present invention relates to a method and apparatus for treating fiber suspensions of the pulp and paper industry. A characterizing feature of the invention is that fiber suspension is forcibly fed from inside the rotor into a screen...  
WO/2004/040058A1
The present invention relates to an apparatus for separating steam from a mixture of steam and fibres, comprising an elongated feeding compartment (12) having an inlet and feeding means (10) for feeding a mixture through said inlet. The ...  
WO2003044250A9
The present invention is directed to a process for producing micropulp. The process includes contacting organic fibers with a medium comprising a liquid component and a solid component, agitating the medium and the organic fibers to tran...  
WO2003085192A9
The present invention provides a process for improving smoothness of a web surface by subjecting the web surface to an untreated smooth roll traveling at a different speed than the web and thereby producing heat generated by friction to ...  

Matches 451 - 500 out of 3,658