| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
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| 09/02/2003 | US6613191 Pressurized screen and process for removing contaminants from a fibrous paper suspension containing contaminants |
| 08/28/2003 | US20030159785 Papermaking; cleaning pulp; controlled discharging |
| 08/14/2003 | US20030150782 Screen for paper pulp |
| 08/13/2003 | EP1334230A1 Method and apparatus and screen for screening mechanical fibre pulp |
| 08/12/2003 | US6605184 Recycling wastes from papermaking apparatus for reuse as paper or paperboard fillers and/or coatings |
| 08/07/2003 | US20030145962 System and for improving the movement and discharge of material from vessels |
| 08/06/2003 | EP1332256A1 Method and screen for screening at least two pulp mixtures |
| 08/06/2003 | EP1029194B1 Pipe attachment |
| 08/06/2003 | EP0916000B1 Perfected reactor for liquids purification |
| 07/30/2003 | EP1330301A1 Slotted screen device |
| 07/30/2003 | CN1116474C Process for recovering raw materials from flow of residual or collected materials during paper manufacture and plant therefor |
| 07/22/2003 | US6595373 Wedge wire and paper stock screening apparatus incorporating such wedge wire |
| 07/16/2003 | EP1007781B1 Method and arrangement for controlling a multi-phase screening apparatus |
| 07/15/2003 | US6592712 Method to manufacture paper using fiber filler complexes |
| 07/08/2003 | US6589424 Method of making screen cylinder and screen cylinder |
| 07/08/2003 | US6588599 Screen basket and a rotor supporting several blades which can be moved along the wall of the screen basket when the rotor rotates |
| 07/02/2003 | EP1322898A1 Method and apparatus for separation of steam and gas from possibly glue-coated fibre pulp produced by a refiner |
| 07/02/2003 | EP0946821B1 Process for making a disposable absorbent product and disposable absorbent product made thereby |
| 07/01/2003 | US6585901 Method of draining water from low-consistency water-fiber suspensions |
| 07/01/2003 | US6585116 Screening apparatus for fiber suspension |
| 07/01/2003 | CA2125863C Hydrocyclone plant |
| 06/26/2003 | US20030116661 Method of regulating sorting systems and a sorting system suitable for carrying out this method |
| 06/19/2003 | US20030111200 System and method for improving the movement and discharge of material from vessels |
| 06/18/2003 | DE10218265C1 Controlling fines concentration in waste paper suspensions, separates two streams from washer for direct return and adjustment of fines content |
| 06/18/2003 | CN1111622C Purifying method for pulp |
| 06/17/2003 | US6579458 Screening device |
| 06/17/2003 | US6579411 A method of bleaching cellulose pulp with ozone includes pumping cellulose pulp in form of a fiber suspension having a consistency range of 5 to 25% with a high-consistency pump to a fluidizing Mixture in which oxygen and ozone containing gas |
| 06/12/2003 | DE20201910U1 Metal lining for paper recycling centrifuge drum has high abrasion resistance characteristics |
| 06/11/2003 | EP1318229A1 Method for controlling sorting systems and sorting system for using the method |
| 06/10/2003 | CA2413486A1 A method of regulating sorting systems and sorting system suitable for carrying out this method |
| 06/10/2003 | CA2203325C Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device |
| 06/04/2003 | CN1110602C Paper pulp tower and its filling method |
| 06/03/2003 | US6572733 Oxidizing and/or altering the tack of contaminants found in an aqueous stream, such as water, whitewater, and pulp slurries, papermaking industry |
| 06/03/2003 | US6571957 Papermaking apparatus comprising housings having rotors, baskets, blades and rings for improved deflaking, defibering and filtration |
| 05/28/2003 | EP1080263B1 Apparatus for degassing an aqueous suspension containing pulp fibres |
| 05/22/2003 | US20030094401 Screening device |
| 05/21/2003 | EP1312712A2 Method and container for stacking high consistency pulp |
| 05/21/2003 | CN1109158C Method and device for pumping medium |
| 05/15/2003 | US20030089477 Comprises first submerging pressure sensitive adhesive into whitewater, water, and/or pulp slurry |
| 05/15/2003 | US20030089471 Wherein controlled dilution flow is produced underneath high-consistency paper fiber stock (via rotor), whereby a suspension is formed and pumped out through wire device; avoids clogging |
| 05/14/2003 | EP1309385A1 Screen and method of making the same |
| 05/02/2003 | EP1114218B1 Sieving device |
| 05/02/2003 | EP1076735B1 Method and apparatus for treatment of fiber suspension containing minerals, such as coated broke, in paper production |
| 04/24/2003 | WO2003033152A1 Extraction bedplate with laser or water jet cut apertures |
| 04/23/2003 | EP1165879B1 Method and apparatus for treating pulp |
| 04/23/2003 | CN1413279A Method of draining water from low-consistency water-fibre suspensions |
| 04/23/2003 | CN1412386A Paper pulp, plastics and impurity separation machine |
| 04/22/2003 | US6551054 Method and apparatus for pumping a material and a rotor for use in connection therewith |
| 04/22/2003 | US6550620 Pulp screening device |
| 04/17/2003 | WO2003018906A3 Equipment for preparation of paper stock |
| 04/15/2003 | US6547923 Process for bleaching medium consistency pulp with ozone using a pressurized fluidizing mixer |
| 04/10/2003 | WO2003028846A1 Slotted-hole sieve arrangement |
| 04/08/2003 | US6544384 Deaerating comminuted cellulosic fibers and soaking in an alkaline liquid heated to a temperature such that if any acid is formed, the reactions take place slowly enough to be neutralized by the alkali and not damage the fibers |
| 04/03/2003 | WO2003027385A1 Screen basket for screening suspensions |
| 04/03/2003 | CA2459148A1 Screen basket for screening suspensions |
| 04/02/2003 | EP1297220A1 Method to manufacture paper using fiber filler complexes |
| 04/02/2003 | EP1297218A1 Sieve for fibre suspensions and a method for producing same |
| 04/02/2003 | CN1104525C Screen apparatus |
| 03/27/2003 | DE20113114U1 Hydrocyclone assembly, for cleaning fiber suspensions of foreign matter, has the distributor over the hydrocyclones to take up less ground space |
| 03/26/2003 | EP0989897B1 Bar screen basket for fiber suspensions and method for the production thereof |
| 03/26/2003 | CN1103834C Method for making screen cylinder, and screen cylinder |
| 03/26/2003 | CN1103641C Through-flow cleaner with improved inlet section |
| 03/26/2003 | CN1103622C Extended dwell reverse hydrocyclone cleaner |
| 03/25/2003 | CA2258216C Pulp decontamination apparatus and method of use |
| 03/20/2003 | WO2003023135A1 Deaeration arrangement in connection with a paper machine or equivalent |
| 03/12/2003 | EP1289664A2 Method and system for utilising waste |
| 03/12/2003 | EP1100992B1 Method and device for sorting paper mixtures |
| 03/11/2003 | US6530481 Pressure screen with scrap separation |
| 03/06/2003 | WO2003018906A2 Equipment for preparation of paper stock |
| 03/06/2003 | US20030041984 Measuring consistency; adjust defibering; process control |
| 02/27/2003 | WO2003016617A1 Headbox of a paper machine or equivalent |
| 02/26/2003 | EP1285116A1 Method for controlling quality of pulp |
| 02/26/2003 | EP1285115A1 Method and arrangement to lead cleaned pulp towards a regulated outlet |
| 02/20/2003 | WO2003014572A1 Pulp pump |
| 02/18/2003 | US6521134 System and method for altering the tack of materials using an electrohydraulic discharge |
| 02/18/2003 | US6521096 Screen and method for manufacturing a reinforcement element for a screen plate |
| 02/18/2003 | CA2222746C Multiple contour screening |
| 02/12/2003 | EP1148951B1 Tangential separating device for solid matter |
| 02/12/2003 | CN1396336A Screening device |
| 02/11/2003 | US6517680 Method in connection with the production of paper or cardboard |
| 02/11/2003 | CA2159931C Method for fabricating a flat or centripetal wire |
| 02/05/2003 | CN1394695A Drum sieve |
| 02/02/2003 | CA2396411A1 System and method for improving the movement and discharge of material from vessels |
| 01/30/2003 | WO2003008667A1 Hard-chromed sieve basket |
| 01/30/2003 | US20030019595 Method of draining water from low-consistency water-fiber suspensions |
| 01/30/2003 | CA2453299A1 Hard-chromed sieve basket |
| 01/29/2003 | CN1394249A Method for determining characteristic value for binding force potential of suspended paper fibers and use of this method |
| 01/28/2003 | CA2145280C Screen |
| 01/28/2003 | CA2092437C Method and apparatus for an improved knot drainer |
| 01/23/2003 | US20030015305 Raw material for printing paper, a method for producing said raw material and a printing paper |
| 01/23/2003 | US20030015304 Method and device for degassing a suspension, specifically a fiber stock suspension |
| 01/21/2003 | US6508366 Centrifuges having liquid intakes, discharges and flanges supported on walls of the distributors and receptacles using bolts |
| 01/16/2003 | US20030010854 Screen apparatus |
| 01/16/2003 | DE20114704U1 Hydrocyclone assembly, for cleaning and degassing a paper fiber suspension, has a common degassing chamber for all the hydrocyclones to take the screened stock |
| 01/15/2003 | EP1275771A2 Screen apparatus |
| 01/15/2003 | EP1078125B1 Device for sorting a suspension containing fibrous material |
| 01/15/2003 | CN1099153C Pulp treating apparatus, disc style homogenizer and pulp suspending liquid treating method |
| 01/14/2003 | US6506283 Pretreatment of chips before cooking |
| 01/12/2003 | CA2363941A1 Screen apparatus |
| 01/09/2003 | WO2002083578A3 Process and apparatus for the removal of scale build-up |