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Patent Searching and Data


Matches 601 - 650 out of 3,127

Document Document Title
WO/2006/040391A1
A method and apparatus for treating materials or material mixtures in a treatment apparatus operating on the principle of the double-action impact mill, which comprises a discharge conveyor (34), such as a discharge screw. A material lay...  
WO/2006/039054A1
A method of deinking recycled cellulosic paper including the steps of developing a pulp containing paper fibers and bundles of paper fibers in a pulping liquid and an agglomerating agent, subjecting the pulp to a screening treatment, sto...  
WO/2006/033605A1
Process and device to manufacture and dewater cellulose pulps in which defibered cellulose is screened to remove shives, fractionated in to at least three fractions (10, 3, 12), which fractions are treated each by itself and then are bro...  
WO/2006/029469A1
A method and apparatus for producing sheets from the pseudostems of banana plants in the family Musaceae, each pseudostem having a longitudinal axis. The method includes the steps of feeding a pseudostem (14) into a workstation, supporti...  
WO/2006/029552A1
The present invention relates to a method for manufacturing paper pulp, comprising the following steps of physical smashing and biological degrading. Specifically, in the method, physical smashing is carried out by means of cracking, hig...  
WO/2006/028499A2
Methods of treating lignocellulosic pulp with cavitation are disclosed. The methods include delignifying a slurry comprising lignocellulos pulp in the presence of cavitation and bleaching a delignified pulp in the presence of cavitation....  
WO/2006/021618A1
The invention relates to a method for adjusting the fibrous properties of chemical, mechanical or chemi-mechanical pulp, for adjusting the uniformity of the properties and for decreasing any variation in quality. According to the method,...  
WO/2006/019942A2
Electrostatic discharge-proof pumps are formed of conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and co...  
WO/2006/007609A1
The invention relates to a method for continuous blending and/or fluidising of a suspension or a pulp and/or for incorporation of gaseous or liquid media into a suspension or a pulp, in particular, into a suspension of a fibrous material...  
WO/2006/000619A1
An apparatus is disclosed for processing by way of, e.g., screening or scattering, particulate matter such as flakes or chips, the apparatus comprising at least one roll set formed by two or more parallel rotating rolls (1), onto which s...  
WO/2005/116145A1
A composition containing cationic pigment particles includes titanium dioxide particles to which are bound a first water-soluble cationic polymer and cationic polymer latex particles. In some embodiments the cationic latex is made by tre...  
WO/2005/113165A1
A machine for the classification, sieving and separation of non-homogeneous masses of materials comprises a feed (12) for such non-homogeneous masses (11) and a discharge (13) for a coarse portion of material (11A), respectively arranged...  
WO/2005/113865A1
An apparatus for, while washing plant stems by means of a high-pressure water jetting unit, separating the outer skin from parts other than the same. Although in the prior art means for obtaining plant fibers has comprised separating the...  
WO/2005/106110A1
A method of producing hardwood pulp is provided. This method comprises treating hardwood chips with one or more than one Family 11 xylanase enzyme in the absence of adding an oxidizing enzyme for about 5 minutes to about 120 minutes, to ...  
WO/2005/106111A1
A method and a device (1) for removing gas from wood chips, wherein the wood chips flowing downwards are heated with a steam flow that is cross-directional in relation to the wood chip flow. Preferably, steam is fed (11, 12, 15, 20) to t...  
WO/2005/099883A1
The present invention relates to a method, an apparatus and a rotor for homogenizing a medium. The invention may be utilized in all areas of industry where mere homogenisation of a medium or mixing of at least two flowing media is needed...  
WO/2005/085519A1
The invention relates to a device comprising a container (20) which defines a closed area and through which a solid can be transported in a direction of transportation from an inlet (21a; 21b) to an outlet (22a; 22b). The container is di...  
WO/2005/080670A1
The invention relates to the use of a particulate material derived from mammalian hair in the preparation of a paper or paperboard product, which particulate material has been prepared by means of a process, which comprises the following...  
WO/2005/068709A1
A method of de-inking cellulosic fibrous materials comprising: 1) admixing an alkaline reagent with hydrogen peroxide and an aqueous suspension of inked cellulosic fibrous material in amounts whereby the alkaline reagent and hydrogen per...  
WO/2005/064073A1
The invention relates to a method for removing impurities from an aqueous papermaking fibre suspension (S) by means of a plurality of flotation cells (1, 2, 3,4) mounted in series. The flows (A1, A2, A3) of accepted stock of successively...  
WO/2005/062892A2
An eductor for mixing liquids and solid particles includes a nozzle, an initial mixing chamber, a first diffuser, an intermediate mixing chamber and a second diffuser. The nozzle includes a semicircular nozzle outlet that is offset from ...  
WO/2005/061133A1
A method of collecting a base paper for a gypsum plaster board for continuously and efficiently collecting the base paper for the gypsum plaster board from gypsum plaster board waste materials including gypsum cores and the base paper fo...  
WO/2005/056915A1
The invention relates to a method for the pre-treatment of chips, which can be used to reduce the specific energy consumption of mechanical pulp and to improve the technical properties of the fibres. In the treatment, chips in a liquid p...  
WO2005042838B1
Highly efficient fibrous paper pulps are produced according to the invention from stems of the plant Sida hermaphrodita Rusby, which is characterised by the absence of resinous substances, lignin contents lower than in the wood, and a hi...  
WO/2005/056916A1
The present invention relates to processes for enhancing a refiner's production rate and/or reducing the specific energy consumption for a freeness target through the use of lubricant(s) or carrier(s)/frictionizer(s), respectively.  
WO/2005/054570A1
An apparatus for use in recycling paper material, the apparatus comprising a housing unit (10) including an inlet (12) for receiving paper material to be recycled and a first processing chamber (18) having means adapted for producing a p...  
WO/2005/045129A1
The invention relates to a method for adjusting the pH of a water or fiber suspension in a machine (8) for preparing a web of paper, cardboard, tissue or other fiber material or for producing cellulose. The method is characterized in tha...  
WO/2005/042830A1
The invention combines the step of adding chemicals such as alkaline peroxide to an intermediate line after refining, with the step of applying chemicals such as alkaline peroxide as a pre-treatment before primary refining and/or applyin...  
WO/2005/042831A1
The invention relates to a method for regulating whiteness for removal of printing ink in deinking installations, whereby printing ink particles in a fiber suspension are removed in a flotation cell (20) by means of gas bubbles. Said rem...  
WO/2005/035866A2
Disclosed is an integrated paper wherein the paper has capabilities and functionalities provided by both the fiber and the active agent ingredients, and a method of immobilizing the active agents within the integrated paper. The tight po...  
WO/2005/028111A1
The invention relates to a method for fiberizing particularly paper and/or paperboard based material, for feeding a fiberized material, such as pulp wool, wood fiber or the like, subsequently to a further process, such as its application...  
WO/2005/028744A1
A method for alteration of the morphology of cellulose fibers, particularly softwood fibers, by (a) subjecting the fibers to a metal ion-activated peroxide treatment carried out at a pH of between about 1 and about 9, preferably between ...  
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/2005/019759A2
A method of manufacturing PTFE material includes preparing a mixture of PTFE resin powder and a susceptor material which is compacted and sintered by exciting the susceptor material with microwave energy. Preferably, the compaction and s...  
WO/2005/016905A1
The invention concerns a method for recovery of hydroxymatairesinol from knotwood, derived from oversized chips. The invention is characterized in that a) the oversized chips, or an air-separated heavy fraction thereof, is finely divided...  
WO/2005/017251A1
Disclosed is a method for producing fiberboards made of moist biomass, comprising the following steps: (a) the raw material is prepared and reduced to fibers; and (b) the boards are produced from the plant fibers. The inventive method is...  
WO/2005/014934A2
Disclosed is a method for charging a fiber suspension containing cellulose fibers with calcium carbonate. Said method comprises the following steps: liquid or dry calcium hydroxide or calcium oxide is introduced into the fiber suspension...  
WO/2005/012632A1
High-quality recycled pulp of high whiteness with reduced ink residue is produced by, in the process for recycling waste paper, detaching ink by the use of force selectively acting on fiber surface while inhibiting damaging of fibers. Fu...  
WO/2005/007968A1
A method of recovering a constituent of a board material comprised of a matrix of adhesively bonded lignocellulosic elements, the method comprising subjecting the material to a combination of (i) electromagnetic radiation and (ii) soakin...  
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/2005/001195A1
A new method for making pulp out of agricultural residue includes harvesting certain portion of plant stalk. The harvested plant stalk is bailed, transported and stored. At the mill, the plant stalk is chopped and goes through pulping pr...  
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/2004/101889A2
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/2004/093926A1
A material having a deodorizing function, characterized in that it comprises a paper powder and, held therein, copper or zinc or a copper compound or a zinc compound; a method for producing a material having a deodorizing function which ...  
WO/2004/083519A1
A manufacturing process of a paper substrate intended to be vulcanised or parchmentised, consisting in : subjecting, in a dry state, the cellulose fibres to energy radiation; defiberizing and refining in an aqueous environment the irradi...  
WO/2004/076745A1
Through-air dried ('TAD') fibrous structures, especially TAD fibrous structures incorporated into sanitary tissue products, that comprise a short fiber furnish having a length of from about 0.4 mm to about 1.2 mm and a low coarseness of ...  
WO/2004/076741A2
Fibrous structures, especially fibrous structures incorporated into facial tissue, toilet tissue and paper towel and napkin products, that comprise a fiber having a length of from about 0.4 mm to about 1.2 mm and a coarseness of from abo...  
WO/2004/072362A1
The present invention relates to a plant and a method for producing and treating wood fibres in a plant comprising a fibre-producing part having a chip preheater (1) and a beater (2) for freeing fibre from wood chips. Such a plant and su...  
WO/2004/072363A1
The present invention relates to an arrangement for and a method of treating pulp, and a method of modernizing a pulp tower. The arrangement and method relate to treating pulp in connection with high-consistency pulp towers, and especial...  
WO/2004/064991A2
An improved pulper (35) rotor having a spar ring attached to a hub (14) of the rotor with a series of curved vanes (37) projecting from the spar ring. The vanes are removable from the spar ring.  

Matches 601 - 650 out of 3,127