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| Number | Title | Issue Date |
| 8152969 | Hydrofoil for a papermaking installation A hydrofoil for a paper production installation has a side that faces the wire formed with a wear strip. The wear strip is formed with plates that are organized in layer and formed of ceramic material. The wear strip is formed by a plurality of layers which lie on o... | 04/10/2012 |
| 7846300 | Rail for the compliant supporting of a mesh, and double mesh section This invention relates to a rail for the compliant supporting of a mesh in the region of a double mesh zone of a double mesh section of a machine for producing a fibrous web, including a movable head rail, a movable bearer rail, a fixed guide rail, a compliant press... | 12/07/2010 |
| 7799174 | Foil for paper production systems A foil for paper production systems has a carrier strip and mutually adjoining plates of ceramic material. The plates are fixed to the carrier strip by way of a plurality of clips, whose free ends are latched to the plates. On their side facing the carrier strip, th... | 09/21/2010 |
| RE40720 | Fabric support element for a papermaking machine A fabric support element for a papermaking machine has improved fluid drainage means, comprising openings which can include flow-through vents. The element can comprise an impingement shoe for a forming section of a papermaking machine. The opening can be defined by... | 06/09/2009 |
| 7396437 | Method and system for controlling the web formation Method and system for controlling web formation in the forming section of a paper machine includes measuring the amount of white water occurring during drainage in at least one drainage region of the forming section; and carrying out the web formation control on the... | 07/08/2008 |
| 7387709 | Hydrofoil for papermaking installations A hydrofoil for a papermaking installation has a supporting bar and plates of a ceramic material. Either the supporting bar or each ceramic plate fixed to the latter is formed on the mutually facing sides with at least one undercut groove extending in the direction ... | 06/17/2008 |
| 7364643 | Forming of a paper or board web in a twin-wire former or in a twin-wire section of a former Fibrous stock is supplied by a paper or board machine headbox (1) between looped forming wires (11, 12). Water is removed in a first dewatering zone (Z1) formed with a fixed forming shoe (3) having a curved surface against which a wire ( | 04/29/2008 |
| 7361163 | Fluid transfer device having removable needle cartridge A fluid transfer device including a cartridge having a plurality of needles, an advancer operative to selectably advance any of the plurality of needles in the cartridge to a needle deployment position, and a syringe operative to convey fluid through the needle in t... | 04/22/2008 |
| 7291248 | Dewatering member with a composite body for a paper or board machine and method for manufacturing a dewatering member with a composite body for a paper or board machine A dewatering member for a paper or board machine has a composite body (13) and a hard surface layer (12). The composite body (13) is manufactured in a pultrusion process. An adhesion layer (11) is formed on desired outer surfaces of the c... | 11/06/2007 |
| 7279072 | Method and apparatus for adjusting operation of wire section Adjusting the operation of a wire section, in which the development of the consistency of stock on the wire section (2) is determined and the effect of the consistency determined above on the formation and/or porosity of a paper web (3) is determined. ... | 10/09/2007 |
| 7198697 | Supporting and wiping device for machine wire systems A supporting and wiping device is assigned to the machine wire in a paper-making system. The supporting and wiping device has supporting and wiping strips firmly held on a carrying frame or the like and extending transversely with respect to a direction of movement ... | 04/03/2007 |
| 7175744 | Apparatus for treating a wire or a felt band in a papermaking installation An apparatus for the treatment of, in particular for vacuum action upon, the at least one wire or at least one felt band in a papermaking plant. The wire or felt band is moved in circulation by the apparatus, which, if appropriate, is connected to a vacuum source. T... | 02/13/2007 |
| 7169264 | Wire foil for a paper production installation A wire foil for a paper production installation has a supporting strip and plates fixed to the latter. The plates are mutually adjoining ceramic plates. The supporting strip and the plates of ceramic material are formed, on the mutually contacting surfaces, with mut... | 01/30/2007 |
| 7162846 | Joint structure for liquid or semi-liquid sealant A joint structure for a liquid or semi-liquid sealant is provided to facilitate the sealing engagement of plural structural members without having sealant protruding from the joint in a visible area. The joint structure comprises a first structural member having a c... | 01/16/2007 |
| 7150808 | Apparatus for forming a paper or cardboard web An apparatus for forming a paper or cardboard web from a fibrous suspension, said apparatus having a twin wire section consisting of a first wire loop formed by a first wire, a second wire loop formed by a second wire and at least one headbox, from which headbox the... | 12/19/2006 |
| 7141143 | Method and apparatus for draining fibre pulp suspension The invention relates to a method of draining a fiber pulp suspension, where the fiber pulp suspension is applied to a convergent dewatering space arranged between two wires travelling in the same direction. In the dewatering space, water and powdery substance are r... | 11/28/2006 |
| 7104101 | Roll stand The invention relates to a roll stand comprising a pair of work rolls 1, 2 for rolling a metal strip B, comprising back-up rolls 8, 9, 10, 11 which provide lateral support to their respectively allocated work rolls 1, 2, with support force direc... | 09/12/2006 |
| 7033459 | Arrangement for doctoring a belt or a soft roll surfacing in a paper or board machine An arrangement for doctoring a belt or a soft roll surfacing in a paper or board machine includes a doctor set in connection with a surface with a doctor blade fitted in it for doctoring the surface. The doctor blade is at least partly of a material, the hardness of... | 04/25/2006 |
| 7008511 | Wire section A wire section in a machine for the production of a fiber web including at least one twin wire former including a revolving continuous inner wire and a revolving continuous outer wire that converge in the area of a forming roll. After the forming roll, viewed in the... | 03/07/2006 |
| 7005039 | Device for adjusting the position of a wiper strip with respect to the screen in a papermaking plant A device for adjusting the position of the wiper strip on the screen in a papermaking plant regulates the contact pressure with which the wiper strip bears on the screen. The wiper strip is fixed to a supporting bar and the supporting bar is configured such that it ... | 02/28/2006 |
| 7005040 | Fabric support element for a papermaking machine A fabric support element for a papermaking machine has improved fluid drainage means, comprising openings which can include flow-through vents. The element can comprise an impingement shoe for a forming section of a papermaking machine. The openings can be defined b... | 02/28/2006 |
| 6984291 | Vacuum box with skimmer blade A process, and an apparatus, for improving sheet properties in a twin fabric paper making machine forming section whereby pressure pulse generation in the stock can be controlled. The pressure pulses are controlled by mounting a vacuum assisted skimmer blade (15 | 01/10/2006 |
| 6982025 | Adjustable resilient blade support An adjustable resilient blade support for use in the forming section of a papermaking machine. The blade support is adjustable, both to allow the attached blade to be moved from a position where it is out of contact to a position where it is pressed into contact wit... | 01/03/2006 |
| 6884322 | Installation for producing a paper web A system for making a paper web has at least one endless wire which is moved over load bearing and guide rolls. A pulp supply apparatus applies pulp to the wire. Suction devices and ceramic scrapers are arranged along the wire. There may also be present devices for ... | 04/26/2005 |
| 6881302 | Former for use in paper production A paper former comprises two wires which converge for defining a paper production gap and a plurality of dewatering blades arranged in the paper production gap in a paper producing direction and brought into sliding contact with one of the two wires so that a stock ... | 04/19/2005 |
| 6875313 | Apparatus for a paper-making installation having at least one wire An apparatus for a paper-making installation with at least one wire supports the wire wipes off the water emerging from the paper pulp or paper web on the wire and passing through the wire. The apparatus is formed with a plurality of supporting and wiping elements o... | 04/05/2005 |
| 6869507 | Variable frequency dewatering assembly A variable frequency foil (VFF) box assembly and mechanisms for moving individual foils/foil beams and individual foil beam sets relative to each other to adjust the frequency of a paper making machine, and method of use are provided. The VFF box assembly allows for... | 03/22/2005 |
| 6802940 | Variable frequency dewatering assembly A variable frequency foil (VFF) box assembly and mechanisms for moving individual foils/foil beams and individual foil beam sets relative to each other to adjust the frequency of a paper making machine, and method of use are provided. The VFF box assembly allows for... | 10/12/2004 |
| 6780285 | Loading device including a loading member for supporting and dewatering a web forming wire The invention concerns a loading device for the dewatering a web-forming wire, which supports and/or loads the wire of a paper machine and scrapes water from the wire surface. The loading device is loaded by a pressure medium and includes a movable loading member an... | 08/24/2004 |
| 6780286 | Adjustable activity drainage box A process, and an apparatus, for improving sheet properties in the initial impingement zone of a paper making machine including a forming section, a forming fabric moving in the machine direction and a head box having a head box slice which delivers a stock jet onto... | 08/24/2004 |
| 6776877 | Twin wire former for the production of a fiber web from a fiber suspension The invention relates to a twin wire former for the production of a fiber web specifically a paper, cardboard or tissue web, from a fiber suspension. The invention is characterized in that the rotating forming roll has an open volume and is a non-suction type... | 08/17/2004 |
| 6752909 | Machine for producing a fibrous web from a fibrous suspension as well as a process and system for monitoring a drainage element The present invention is a machine for manufacturing a fibrous web from a fibrous suspension, with a sheet forming area that exhibits at least one suction box, which includes a main box with at least one suction box cover that is formed from at least two drainage el... | 06/22/2004 |
| 6746576 | Method and arrangement for attaching at least one shaped part together with a wear part onto a support piece The arrangement is for use within a machine for at least one of making and processing at least one of paper, cardboard and tissue. The arrangement includes a first unit, a support piece and at least one clamping device. A first unit has a shaped part together with a... | 06/08/2004 |
| 6712941 | Forming board for papermaking machine with adjustable blades A forming board for a papermaking machine includes: a support; a transversely-extending lead blade attached to the support, the lead blade; a plurality of transversely-extending trailing blades; a mounting unit for each of the plurality of trailing blades, the mount... | 03/30/2004 |
| 6669820 | Twin-wire former A twin-wire former in a paper machine has two forming wire loops (10, 20), which define between themselves a twin-wire zone. At least one dewatering box (30) is located inside one of the wire loops (10, 20) to remove water through the wire from a web (W) ... | 12/30/2003 |
| 6605189 | Suction box in a paper machine Suction box in a paper machine including a vacuum chamber, a deck or a number of substantially U-section holders open toward a wire and ribs arranged in the deck or the holders so that they can be loaded against the wire. At least in a running situation, ... | 08/12/2003 |
| 6562197 | Drainage hydrofoil blade A hydrofoil blade having a top surface with a leading edge in contact with a forming fabric and a trailing edge, and a leading side surface disposed transversely to the direction of movement of said fabric upstream of and generally at an acute angle to th... | 05/13/2003 |
| 6471829 | Variable frequency fourdrinier gravity foil box A variable frequency foil (VFF) box assembly and mechanisms for moving individual foils/foil beams and individual foil beam sets relative to each other to adjust the frequency of a paper making machine, and method of use are provided. The VFF box assembly... | 10/29/2002 |
| 6444094 | Papermaking apparatus with variable pulse turbulation blades Papermaking apparatus is disclosed having variable dewatering devices with moveable elements which engage the conveyor carrying paper stock and are adjustable to vary their operating characteristics. A variable pulse turbulation blade with an adjustable i... | 09/03/2002 |
| 6379503 | Apparatus and method for mounting and dismantling a wear body in a paper making machine Machine equipment in a paper or board machine comprising at least one wear ledge for contact with a clothing, and a support body for the wear ledge and a device for mounting the wear ledge to its support body. In accordance with the invention, the mountin... | 04/30/2002 |
