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| Number | Title | Issue Date |
| 8172985 | Extraction bedplate with laser or water jet cut apertures The present invention relates to extraction bedplates 10, 110, 210, 310, 410, 510, 610 for use in apparatus 5 for defiberizing paper making stock and methods for making such bedplates. Preferred methods for making such bedplates 10, 110, 210, 310, 4... | 05/08/2012 |
| 8168041 | Device for diluting shredded cellulosic particles/chips The device is for the dilution of dewatered cellulose pulp that maintains a consistency of 20-30% or greater. By shredding of the pulp to a finely divided dry-granulate, dilution to a homogeneous consistency in the medium consistency range can take place exclusively... | 05/01/2012 |
| 8088254 | Methods for producing recycled pulp, methods for modifying pulp fiber surfaces and dirts, as well as pulp processing equipments Pulp processing equipment used to produce high-quality recycled pulp with little damage to fibers, high brightness and low residual ink by means of a force selectively acting on fiber surfaces during the process of recycling waste paper is disclosed. Moreover, fiber... | 01/03/2012 |
| 7892400 | High defiberization chip pretreatment apparatus A chip pretreatment process which comprises conveying the feed material through a compression screw device having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing and discharging the compressed material from the screw device into a de... | 02/22/2011 |
| 7758726 | Disc refiner with increased gap between fiberizing and fibrillating bands Plate elements, a plate configuration, and associated system for thermomechanical refining of wood chips wherein destructured and partially defibrated chips are fed to a rotating disc primary refiner, where opposed discs each have an inner band pattern of bars and g... | 07/20/2010 |
| 7628890 | Extraction bedplate with laser or water jet cut apertures The present invention relates to extraction bedplates (10), (110), (210), (310), (410), (510), (610) for use in apparatus (5) for defiberizing paper making stock and methods for making such bedplates. Preferred... | 12/08/2009 |
| 7381294 | Method and apparatus for manufacturing microfibrillated cellulose fiber A method for producing a microfibrillated cellulose, which comprises subjecting a slurry containing a pulp having a solids concentration of 1 to 6 wt % to the treatment with a disc refiner repeatedly ten times or more, to thereby prepare a microfibrillated cellulose... | 06/03/2008 |
| 7368037 | Refiner steam separation system for reduction of dryer emissions 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 waste steam outlet. Cleaned ... | 05/06/2008 |
| 7300540 | Energy efficient TMP refining of destructured chips A system and method for thermomechanical refining of wood chips comprises preparing the chips for refining by exposing the chips to an environment of steam to soften the chips, compressively destructuring and dewatering the softened chips to a solids consistency abo... | 11/27/2007 |
| 7300541 | High defiberization chip pretreatment A chip pretreatment process which comprises conveying the feed material through a compression screw device having an atmosphere of saturated steam at a pressure above about 5 psig, decompressing and discharging the compressed material from the screw device into a de... | 11/27/2007 |
| 7300550 | High intensity refiner plate with inner fiberizing zone Plate elements, a plate configuration, and associated system for thermomechanical refining of wood chips wherein destructured and partially defibrated chips are fed to a rotating disc primary refiner, where opposed discs each have an inner band pattern of bars and g... | 11/27/2007 |
| 7291244 | Pulp flaker Methods for conveying, mixing, leveling, and flaking dewatered pulp to produce pulp flakes suitable to be used in a dryer. Methods for producing a consistent flow rate of pulp, and, for producing uniform pulp flakes in terms of pulp flake size and pulp flake moistur... | 11/06/2007 |
| 7282114 | Method for processing pulp The object of the invention is a method and a device for dispersing pulp, especially pulp containing waste paper, in which method ground pulp mass is fed between the blade surfaces (4) of a dispersing device that are brought in a rotating movement in relation to one... | 10/16/2007 |
| 7279073 | Apparatus for liquid-based fiber separation An apparatus for treating fibrous material is disclosed. The apparatus may include a fiber separator, a de-liquefier, a dry-to-wet blender and a flash dryer. The fiber separator may be a liquid-based fiber separator. The de-liquefier is for removing liquid from the ... | 10/09/2007 |
| 7188792 | Refiner rotor assembly with a hub having flow-through ports A refiner including a material-admitting inlet and an outlet; and spaced apart first and second refining discs mounted in the chamber. The refiner further includes a rotary third ref refining disc disposed between the first and second discs. A first path for the mov... | 03/13/2007 |
| 7169258 | Process and a fluffer device for treatment of a fiber stock suspension A device treats a fiber stock suspension with at least one additive, the fiber stock suspension being used for production of at least one of paper and cardboard. The fiber stock suspension includes a suspension medium and a fiber material. The fiber material has fib... | 01/30/2007 |
| 7169263 | Coarse dirt collector for removing coarse material from a pulper and corresponding method The invention relates to a coarse dirt collector (7) for removing coarse material from a pulper (1). The coarse dirt collector (7) comprises a support arm (8) with a collecting basket (9). The collecting basket (9) consists ... | 01/30/2007 |
| 7163604 | Production of fiber suspension from waste paper A fiber suspension is produced from waste paper by first filling a pulper with a batch of the waste paper. The pulper is operated to partly defibrate the batch of waste paper substantially without disintegrating coarse imputities into finer impurities. The partly de... | 01/16/2007 |
| 7131604 | Processing apparatus and method for fluid, and deaerator therewith A processing apparatus for fluid with a simple structure, high productivity, ability of precise dispersion, emulsification and grinding, is provided. The apparatus of the present invention comprises at least two processing faces of a first face and a second f... | 11/07/2006 |
| 7125471 | Papermaking process using enzyme-treated sludge, and products Enzyme-treated papermaking sludges are provided, as are methods of making the enzyme-treated sludge. Papermaking processes that incorporate the enzyme-treated papermaking sludges into papermaking pulp are also provided as are paper and paperboard products made from ... | 10/24/2006 |
| 7070135 | Chipping apparatus with eccentric chipping tools A chipping apparatus includes a housing arranged about an axis of rotation and a chipping system within the housing rotating in a predefined direction about an axis of rotation. The chipping system has chipping tools that form a circular or ring-shaped chipping zone... | 07/04/2006 |
| 7070677 | Method and apparatus for treating pulp with filler The present invention relates to a method of and apparatus for treating pulp with filler. The method and apparatus according to the invention are especially well suitable for treating pulp with filler, the mixing of which to the pulp requires simultaneous treatment ... | 07/04/2006 |
| 7063456 | Container for a blender A container (15) for a blender (10) includes a bottom surface (16) having a non-symmetrically shaped perimeter. A side wall (17) extends upwardly from the perimeter of the bottom surface (16). A mixing blade assembly (20) ha... | 06/20/2006 |
| 7044307 | Drum type paper stock fine screen A drum type paper stock refine screen is provided which is capable of efficiently filtering a refined paper stock to the outside of a laterally suspended rotary drum and efficiently discharging foreign matter to the outside of the drum while rotating the drum. The d... | 05/16/2006 |
| 7045027 | Method of producing a fiber board The present invention relates to a method of producing a fiber board characterized in that it comprises the following processes (a)–(f): (a) a separating process of a bast portion, (b) a fiberizing process by defibrating the bast portion ... | 05/16/2006 |
| 7013287 | Stock preparation monitoring system and method of same A stock preparation system includes a stock preparation apparatus and a sensor coupled with the stock preparation apparatus. The sensor is configured for sensing a physical parameter associated with the stock preparation apparatus, and includes a wireless transmitte... | 03/14/2006 |
| 6994494 | Device for producing bored piles Device for producing bored piles having an auger, which along at least part of the auger length is surrounded by a rotating encasing tube and during boring the encasing tube is rotated in or counter to the rotation direction of the auger and in which the auger and t... | 02/07/2006 |
| 6989074 | Paper pulp refiner control system and method using active hydrostatic bearings A paper pulp refiner with control system employs active hydrostatic bearings for supporting the refiner rotor, at least in part, the hydrostatic bearings are defined between the refiner rotor plates (25, 55) and stator plates (22, 60) through openings ... | 01/24/2006 |
| 6989078 | System for conveying shredded pulp to an ozone reactor Methods and systems for the treatment of pulp are provided. The methods include dewatering pulp to a fiber concentration of at least 20%, shredding the dewatered pulp in a closed pulp shredding vessel, transporting the shredded pulp without compression continuously ... | 01/24/2006 |
| 6958110 | Apparatus for the production of cellulose paper pulps by biodelignification of vegetative masses Apparatus for the production of cellulose paper pulps from vegetative masses, comprising: a tower for sterilizing the mass to form a culture medium; a first screw for mixing the sterilized mass with an inoculum and handling the same in a sterile environment; a first... | 10/25/2005 |
| 6957785 | Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment Apparatus for use as a portion of a refining surface of a rotatable refining disk is disclosed. The apparatus includes a refining segment having a periphery and being mountable on a rotatable refining disk in juxtaposition with an opposing refiner disk for treating ... | 10/25/2005 |
| 6939438 | Apparatus for loading fibers in a fiber suspension with calcium carbonate An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing radially out... | 09/06/2005 |
| 6911118 | Pulper for producing paper pulp from waste paper A pulper for producing paper pulp from waste paper containing undesired scrap particles includes a container (1) forming a chamber (4) defined by a bottom wall (5) and a cylindrical circumferential wall (6). A paper tearing member (7 | 06/28/2005 |
| 6905032 | Screens for fibrous paper suspensions and process for making same Process for manufacturing screens and screens suitable for use in wet screening fibrous paper suspensions, in which the screens include at least one screen plate having a number of sorting apertures. The process includes providing a number of fastening openings in t... | 06/14/2005 |
| 6811655 | Apparatus for preparing paper pulp from used paper The invention concerns a method and an equipment for combining in one single apparatus, the functions for filtering, decontaminating, and thickening paper pulp from used paper, while providing the complementary function of clarifying the filtrates. The apparatus ( | 11/02/2004 |
| 6706150 | Method and arrangement of impingement for blowing compensation of a tendency of curling of a paper board web to be treated as well as a paper or board machine An air impingement arrangement and method for compensating for the curling tendency of a paper or board web which is being treated. Air impingement is disposed in connection with a paper or board process or with its finishing process and extends across the width of ... | 03/16/2004 |
| 6673211 | Apparatus for loading fibers in a fiber suspension with calcium carbonate An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing r... | 01/06/2004 |
| 6592062 | Refining element Refining elements for use in a disk refiner are provided, in which the refining elements include an outer surface with a plurality of raised bars separated by grooves, the raised bars including an upper surface having a first longitudinal edge and at leas... | 07/15/2003 |
| 6571957 | Screening apparatus for fiber suspension A screening apparatus for screening acceptable and rejectable material from a pressurized fiber suspension includes a housing and a rotor within the housing. The rotor has a top end. A screen basket is positioned generally concentrically around the rotor.... | 06/03/2003 |
| 6558557 | Process and a decker for bringing together two suspension layers Process and decker for bringing together a first aqueous pulp suspension layer with at least one additional suspension layer. The process includes moving the first pulp suspension layer and the at least one additional suspension layer on moving layer supp... | 05/06/2003 |
