| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
|---|
| 09/19/2000 | US6119867 Screen cylinder |
| 09/14/2000 | WO2000053845A1 Screening apparatus |
| 09/14/2000 | DE19910797A1 Sorting fibers in a suspension uses a wet sieve action with short fibers passing through the sieve for outer paper/cardboard layers and longer fibers in a fraction over the sieve for the inner layer |
| 09/14/2000 | DE19910796A1 Sorting fibers in a suspension uses a wet sieve action with short fibers passing through the sieve for outer paper/cardboard layers and longer fibers in a fraction over the sieve for the inner layer |
| 09/13/2000 | CN2396093Y Efficient uniform speed scummer |
| 09/13/2000 | CN1266386A Paper stock screenaing apparatus and method |
| 09/12/2000 | US6117273 Mechanical strainer for fibrous suspensions |
| 09/08/2000 | WO2000052260A1 Screening apparatus |
| 09/06/2000 | CN2394946Y Double screw pulp extruder |
| 09/05/2000 | US6113104 Sealing device |
| 09/05/2000 | CA2154258C Screening apparatus for papermaking pulp |
| 08/31/2000 | WO2000050695A1 Method in connection with the production of paper or cardboard |
| 08/31/2000 | WO2000050690A1 Method and means for paper pulp filtering |
| 08/30/2000 | EP0811088B1 A screen having inclined slots for use in a continuous digester |
| 08/29/2000 | US6109451 Through-flow hydrocyclone and three-way cleaner |
| 08/24/2000 | WO2000049222A1 Method and apparatus for treating pulp |
| 08/23/2000 | EP1029194A1 Pipe attachment |
| 08/22/2000 | US6105788 Composite screen |
| 08/16/2000 | CN2391901Y Miniature crasher |
| 08/15/2000 | CA2198230C A pulp slurry-handling press roll, and twin roll and single roll slurry-handling presses |
| 08/10/2000 | DE19902148A1 Tangentiale Feststoffabtrenn-Vorrichtung Tangential Feststoffabtrenn device |
| 08/08/2000 | US6098658 Method and apparatus for filling a pulp tower |
| 08/01/2000 | US6096120 Deaeration vessel |
| 07/29/2000 | CA2264475A1 Shower pipe for rotary drum filter |
| 07/27/2000 | WO2000043677A1 Method and apparatus for pumping a material and a rotor for use in connection therewith |
| 07/27/2000 | WO2000043127A1 Tangential separating device for solid matter |
| 07/26/2000 | EP1021615A1 Screen panel |
| 07/25/2000 | US6092286 Method to fabricate wires and wire fabricated thereby |
| 07/20/2000 | WO2000020091A8 Improved wedge wire and paper stock screening apparatus incorporating such wedge wire |
| 07/19/2000 | EP1019197A1 Channeling dam for centrifugal cleaner |
| 07/19/2000 | EP0912789A4 Stock washer for washing, thickening and classifying solids |
| 07/06/2000 | WO2000038849A1 Papermaker's screen cylinder with helix screen element |
| 07/06/2000 | CA2356137A1 Papermaker's screen cylinder with helix screen element |
| 06/28/2000 | EP1012390A1 Method of determining a volumetric percentage of air in a fiber suspension in a paper-making machine |
| 06/28/2000 | EP1012380A1 Manufacture of screen plate with screen slots obtained by laser beam cutting |
| 06/28/2000 | EP1012379A1 Blade arrangement for pulp screening apparatus |
| 06/28/2000 | EP1012378A1 Screening apparatus with dilution liquid supply means |
| 06/28/2000 | EP0910475A4 Pulp decontamination apparatus and method of use |
| 06/28/2000 | EP0782643B1 Method and device for concentrating a suspension |
| 06/27/2000 | US6080274 Measuring flows of accept and reject channels of screening apparatus and adjusting flow by means of valves mounted in channels wherein flows of reject channels and other accept channels are controlled in relation to flow of accept channel |
| 06/27/2000 | US6080266 Fractionation process for cellulosic fibers |
| 06/21/2000 | EP1009873A1 Screen panel and method of its manufacture |
| 06/14/2000 | EP1007781A1 Method and arrangement for controlling a multi-phase screening apparatus |
| 06/06/2000 | US6071378 Suspension is rotated in a rotationally symmetrical, rapidly rotating, liquid-permeable screen basket to subject it to the influence of a centrifugal force and dewatered at the same time as the suspension is conveyed by a rotating screw |
| 06/06/2000 | US6071331 Method and apparatus for separating gas from a gaseous material |
| 06/02/2000 | WO2000031335A1 Upgrading of tmp to an sc/lwc quality |
| 05/31/2000 | EP0946247A4 Zoned pressure screen |
| 05/30/2000 | US6068772 Apparatus for processing fiber suspensions intended for the production of paper or cardboard |
| 05/30/2000 | US6068132 Perfected reactor for liquids purification |
| 05/30/2000 | CA2164141C Papermaking screen |
| 05/25/2000 | WO2000029123A1 Through-flow hydrocyclone and three-way cleaner |
| 05/25/2000 | CA2332036A1 Through-flow hydrocyclone and three-way cleaner |
| 05/24/2000 | EP1001855A1 Paper stock screening apparatus and method |
| 05/24/2000 | EP0693976B1 Screening apparatus for papermaking pulp |
| 05/23/2000 | CA2069876C An apparatus for filtering suspensions and a method of operating the apparatus |
| 05/11/2000 | WO2000025889A1 Reinforcement of conventional wedge wire screens |
| 05/11/2000 | DE19851289A1 Apparatus to clear the sieve at a fiber suspension pressure sorting assembly has a paddle at an angle to the sieve with a structured outflow deflection surface for effective clearing using little energy |
| 05/03/2000 | EP0839227B1 Screen and method of manufacture |
| 05/02/2000 | US6056126 Screen device with slot-shaped openings |
| 04/25/2000 | US6053439 Removing a substantial portion of the wax content by pulping the wax paper fiber at high temperature to separate a pulp fraction and form an emulsion of water and molten wax, separating the pulp by filtering in a reverse pressure screen |
| 04/25/2000 | US6053328 Baffle for reactors used for liquids purification |
| 04/20/2000 | WO2000022228A1 Screen and method for manufacturing a reinforcement element for a screen plate |
| 04/20/2000 | WO2000021677A1 Method and apparatus for decontaminating liquid suspensions |
| 04/19/2000 | CN2374572Y Directly flowing light matter scummer |
| 04/18/2000 | US6051103 Paper-making screen apparatus |
| 04/18/2000 | CA2221273C Screen and method of manufacture |
| 04/13/2000 | WO2000020091A1 Improved wedge wire and paper stock screening apparatus incorporating such wedge wire |
| 04/11/2000 | US6047834 Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device |
| 04/06/2000 | WO2000019005A1 A sanitary paper product made by modifying coarse fibers and process thereof |
| 04/06/2000 | CA2344820A1 A sanitary paper product made by modifying coarse fibers and process thereof |
| 04/05/2000 | EP0989897A1 Bar screen basket for fiber suspensions and method for the production thereof |
| 03/29/2000 | CN2371215Y Waste paperpulp recovering device |
| 03/29/2000 | CN1050871C Method and apparatus for separating paper fibre and plastics from mixed waste materials and products obtained thereby |
| 03/23/2000 | WO2000015901A1 Sieving device |
| 03/23/2000 | WO2000015900A1 Method and apparatus for washing fibre pulp mixture |
| 03/23/2000 | DE19842042A1 Sieve assembly for fiber suspensions to give papermaking pulp has an exchangeable sieve unit clamped to the reinforcement structure so that components which are not worn can be used again |
| 03/23/2000 | CA2344477A1 Screening device |
| 03/23/2000 | CA2343957A1 Method and apparatus for washing fibre pulp mixture |
| 03/21/2000 | US6039841 Screen having inclined slots for use in a continuous digester |
| 03/16/2000 | DE19841452A1 Apparatus for sorting fiber suspensions for papermaking has a snap clamp lock to hold the cover and inlet to the main housing for easy access and maintenance |
| 03/14/2000 | US6036027 Vibratory cleaner |
| 03/09/2000 | WO2000012811A1 Screening of fibrous suspensions |
| 03/09/2000 | CA2341535A1 Screening of fibrous suspensions |
| 03/07/2000 | US6032885 Control system for a repulping apparatus |
| 03/02/2000 | WO2000011265A1 Method and apparatus for pretreating paper pulp |
| 03/02/2000 | DE19836316A1 Producing industrial sieve using profiled strips with bored sieve holes connected between end rings to form a drum shaped sieve |
| 03/01/2000 | EP0982433A2 Screening cylinder for a pressure screening device having a replaceable cylindrical screen |
| 02/29/2000 | US6029825 Pressure sorter for sorting fiber suspensions as well as screen for such a pressure sorter |
| 02/29/2000 | US6029821 Screening device |
| 02/27/2000 | CA2278815A1 Screen basket having a removable and replaceable cylindrical mesh liner |
| 02/22/2000 | CA2136983C A cyclone separator |
| 02/15/2000 | US6024834 Cellulosic fibers prepared may be used to prepare a handsheet or other structure that may be used in a disposable absorbent product anddisposable paper products such as tissue and towel |
| 02/15/2000 | US6024227 Tramp material removal from pulp feed systems |
| 02/09/2000 | EP0842322B1 Multiple contour screening |
| 02/08/2000 | US6021905 Screen cylinder with reinforcing rings and method of manufacture thereof |
| 02/08/2000 | CA2214978C Fibresaver screen basket support |
| 02/08/2000 | CA2018176C Method for controlling pressurized screening device and pressurized screening device |
| 02/02/2000 | EP0975833A1 Screening apparatus with reject flow restriction means |
| 01/27/2000 | DE19833441A1 Production of a sieve basket to sort fiber suspensions into fractions has a profiled rod wound in coils with spacers to keep them apart to form the sieve slits between them |
| 01/26/2000 | EP0852637B1 Sorting device |