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WO/2016/020184A1 |
The invention relates to a screening device (1), comprising: - a screen disc (3) which can rotate by means of a vertical rotating shaft (2) for screening a medium (4) to be screened, - a feed pipe (5) for feeding the medium (4) to be scr...
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WO/2016/007081A1 |
The invention relates to an arrangement (1) for drying a web W of tissue paper. The arrangement (1) comprising a Yankee drying cylinder (3) which is connected to a source (4) of hot steam so that hot steam can be supplied to the interior...
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WO/2015/197192A1 |
The invention is concerned with sets for mechanical processing, in particular refining, of suspended fibrous material as material to be treated in a refiner. A set comprises a die plate (2) which is configured as a perforated plate with ...
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WO/2015/194511A1 |
Provided is a glass interleaving paper with which scratching of glass plate surfaces can be suppressed in a circulation process or manufacturing step for storing and conveying a stacked plurality of glass plates. This glass interleaving ...
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WO/2015/180955A1 |
The invention relates to a filter (8) for fiber suspensions (5), having a shape which is rotationally symmetrical with respect to a filter axis (3) and consisting of a plurality of profiled rods (1) which are arranged in an axially paral...
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WO/2015/180844A1 |
The present invention relates to microfibrillated cellulose ("MFC"), in particular to microfibrillated cellulose, which is morphologically different from conventional MFC known in the art and/or which provides improved water retention pr...
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WO/2015/172969A1 |
The invention relates to a method for producing a rotationally symmetrical, in particular cylindrical screening device (10) comprising a plurality of profiled bars (12). According to said method, first strip-like bar holders (14) are pro...
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WO/2015/173376A1 |
A method for manufacturing microfibrillated cellulose, a particulate grinding medium suitable for use in said method, a material which wears rough, and a method for making said particulate grinding medium.
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WO/2015/171714A1 |
A scalable, energy efficient process for preparing cellulose nanofibers is disclosed. The process employs treating the cellulosic material with a first mechanical refiner with plates having a configuration of blades separated by grooves,...
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WO/2015/165659A1 |
The invention relates to a device (1) and to a method for processing materials, in particular raw materials in the production of paper, preferably comprising a pulper or a pulping drum, comprising a processing vessel (M, M1, M2) that can...
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WO/2015/133962A1 |
A refiner segment (1) for a refiner intended for defibrating lignocellulose- containing material has a refining surface comprising a group of first bars (10) and second bars (20), each first and second bar having a first end (10-1, 20-1)...
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WO/2015/127531A1 |
A method of recovering purified partly-hydrolyzed cellulose particles from a composition comprising agglomerated partly-hydrolyzed cellulose particles and an acid, using electrodialysis. The invention addresses the problem of reducing th...
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WO/2015/128323A1 |
The invention relates to an additive for producing paper and cardboard with a surface weight of < 180 g/m2, comprising the following features: the additive is a non-fibrillated cellulose-containing fiber material; and the additive is in ...
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WO/2015/122826A1 |
The present invention regards a refiner plate segment (1) for a disc-type refiner apparatus (30), adapted to grind a saturated cellulosic material (M) in a refining gap (17) defined by opposed discs (20) during use of the apparatus (30),...
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WO/2015/119549A1 |
Refiner comprising relatively rotatable inner 2 and outer 3 conical refining blades. The refining blades 2, 3 being coaxially arranged around a symmetry axis 6 and being provided with first bars 200 and second bars 300, respectively, for...
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WO/2015/112894A1 |
A fine sheared polymeric nanofiber of a short cut length and a method for shearing the polymeric nanofiber are provided. In some embodiments, the polymeric nanofiber includes: a length range from 10-2000 μm; a length to diameter (L:D) a...
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WO/2015/105882A1 |
An improved semichemical pulping process is disclosed to reduce washing costs and recovery process costs, while producing equivalent pulp and paper products. In some variations, the invention provides a process for producing a paper prod...
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WO/2015/091627A1 |
The invention relates to a method for preparing grass or hay as paper fiber material, having the steps of pre-comminuting the grass or hay to an average fiber length between 500 mm and 10 mm, in particular between 120 mm and 10 mm, using...
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WO/2015/090685A1 |
The invention relates to a method for heating paper stock that is to be dispersed and, upon being dewatered, is deflocculated and mixed with a fluid heating medium. In order to reduce energy consumption, at least most of the paper stock ...
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WO/2015/090919A1 |
The invention relates to an apparatus for removing impurities from shreds of plastic, comprising a first cleaning disc (10) with a first cleaning surface (12) and a second cleaning disc with a second cleaning surface, wherein the cleanin...
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WO/2015/090667A1 |
The invention relates to a screen cylinder (1) consisting of an external, cylindrical support cage (2) and an internal, multi-part, cylindrical screen, wherein each separating line (7) between the adjacent screen parts (3) extends from o...
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WO/2015/086516A1 |
The disclosure concerns an aqueous lubricant composition, characterized in that it comprises of: 50wt % of water, 0.01-20 wt % of a thickening agent, 0.5-10 wt % of an antioxidant; 0.5-5 wt% of a pH regulating agent; and glycerol. There ...
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WO/2015/085168A1 |
The invention is a finely ground biomass material made from biomass material, where at least 98% of the biomass particles have a particle size of 20 microns or less. The invention also provides a method for producing finely ground biomas...
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WO/2015/065268A1 |
The invention regards a measuring device, comprising a conductor body (7), for detecting the degree of fiber concentration and/or steam point (SP) of a fiber pad (33) being pulped, during use of the device (3), in a grinding gap (15) bet...
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WO/2015/055466A1 |
The invention relates to a device for cleaning plastic in the course of plastic recycling, comprising a refiner (10) having two refiner tools facing each other, of which at least one is rotationally driven and which bound a working gap b...
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WO/2015/044414A1 |
In a disperger plate comprising several concentric rows of a plurality of teeth, it is intended according to the invention that the surface of each tooth is an abrasive surface comprising abrasive material.
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WO/2015/032596A1 |
The invention relates to a device for processing composite materials containing fibers, in particular packaging materials containing fibers and in particular used beverage packagings. Said device comprises a double container, which compr...
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WO/2015/033016A1 |
Grinder meant for grinding fibrous material which grinder comprises a pair of grinding blades comprising grinding surfaces in which case the first of the mentioned pair of blades is a stationary blade surface formed of grooves (13) and r...
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WO/2015/024812A1 |
The invention relates to a pressure screen for cleaning a fibrous stock suspension having a screen element (2) which is of rotationally symmetrical configuration about a screen axis (1) and divides the pressure screen into an inlet chamb...
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WO/2015/025084A1 |
The present invention relates to a method and a system for controlling a refiner, grinder or the like for refining a product containing cellulose, such as pulp. A quality index specific to the product is provided and related to at least ...
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WO/2015/023586A2 |
The present invention provides a process for fractionating biomass into its individual components. The process includes pretreating a biomass which may include mechanically altering the fibers and/or contacting the biomass with a solvent...
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WO/2015/014451A1 |
In order to recover steam when fibrous materials are being processed, wherein raw material to be processed, e.g., chips, is fed successively to a pre-steamer (1), a digester (4), a refiner (9) and through a blower line (6) to a dryer (7)...
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WO/2015/014452A1 |
The invention relates to a method and a device for processing fibrous materials, wherein raw material to be processed, for example chips, are consecutively delivered to a pre-steamer (1), a digester (4) and a refiner (9), and a mixture o...
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WO/2015/011066A1 |
A method for producing a molded article from cellulose fibers containing plant material is provided, comprising the steps of (a) moistening a pre-cut raw material directly originating from cellulose fibers containing plant material by ad...
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WO/2015/011337A1 |
The invention relates to a method for modifying nanofibrillar cellulose composition, comprising - preparing fibrous dispersion of ionically charged nanofibrillar cellulose (NFC), and - applying heat treatment at a temperature of at least...
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WO/2015/000551A1 |
A screening device (1) is specified which is intended for fibrous stock suspensions of the paper industry. Said screening device comprises, as screening apparatus, at least two separate screening baskets (3, 4) which are connected axiall...
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WO/2014/191243A1 |
The invention relates to an assembly for producing a fibrous material suspension (1) for a headbox of a machine for producing paper, board, tissue or a different fibrous material web having a mixing device (2), in which the fibrous mater...
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WO/2014/191227A1 |
The invention relates to a mixing device (6) for thinning a fibrous material suspension (1), suitable for producing a paper, board, tissue or other fibrous material web, by means of a thinning liquid (3), which is arranged after a cleani...
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WO/2014/184438A1 |
In a method for producing nanofibrillar cellulose, cellulose based fibre material in dispersion is processed for separating fibrils. The method comprises a first step where the fibre material is supplied to a disperser (10), where it flo...
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WO/2014/184443A1 |
The present invention relates to a system and method for blow tanks and other tanks that temporarily hold pulp. The invention particularly relates to regulating the consistency of the material in such tanks. Pulp discharged from the tank...
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WO/2014/182232A1 |
The invention relates to an apparatus (1, 1a, 1b) for separating particles in a pulp suspension, which apparatus (1, 1a, 1b) comprises a housing (14), a barrier (2, 2a, 2b) with apertures, an inlet (3, 3a, 3b) for the pulp suspension, a ...
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WO/2014/173699A1 |
The invention relates to a device for degassing a fibrous material suspension (1) in a closed degassing space (2) having at least one feed (3) through which the fibrous material suspension (1) is introduced, wherein the fibrous material ...
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WO/2014/170109A1 |
The invention relates to a method for cleaning a fibrous suspension with a pressure sorter (1), in which the fibrous suspension is introduced into a feed chamber (12), the substances to be separated out are concentrated upstream of a scr...
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WO/2014/142724A1 |
The invention is related to a bin (1) for collecting and discharging smaller ligno- cellulosic material, which bin (1) comprises a cylindrical upper part (2) with an inlet (3), and a conical lower part (4) with an outlet (5), which conic...
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WO/2014/142743A1 |
The invention is related to a bin arrangement(1) for collecting and discharging smaller ligno-cellulosic material. The bin includes a transition part from a circular section of the bin and downwards to a rectangular section with a long a...
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WO/2014/142732A1 |
Center plate (1) for a rotor in a pulp refiner, said center plate (1) having a surface (1') provided with a plurality of first wings (11) for directing pulp flowing onto the center of the center plate (1) towards the periphery (120) of s...
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WO/2014/135335A1 |
The invention relates to a method for forming and treating a fibrous material suspension that is suitable for the production of paper for graphical or hygiene purposes, or cover layers for boxboard or packaging papers, in which said fibr...
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WO/2014/131592A1 |
The invention relates to a method for forming and handling a fiber suspension suitable for producing cardboard or packaging paper. The fiber suspension is at least partly guided from a dissolving stage (3) to a dewatering stage (10, 11, ...
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WO/2014/117759A1 |
In order to minimize the sensitivities with regard to edge pressing, sensitivities under point and line loads and sensitivities with regard to impact stresses of the coated body in a coating process in which a surface is initially coated...
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WO/2014/121078A1 |
A cast metal plate segment for a refiner of lignocellulosic material or a disperser of comminuted paper or packaging products, the plate segment including a front side with a front surface configured to refine the lignocellulosic materia...
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