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| Number | Title | Issue Date |
| 7625465 | Vacuum belt conveying device for guiding a moving web Vacuum belt conveying device for guiding a moving web, in particular a web threading strip of a paper or board web, having an air-permeable transport belt guided endlessly in a loop with an upper run and a lower run, and a device arranged within the loop for applyin... | 12/01/2009 |
| 7422662 | Sealing arrangement against a moving fabric The invention relates to a sealing arrangement (7) against a moving fabric (4b) in a paper machine or the like. The sealing arrangement includes a stiff sealing element (9) placed on the fabric's (4b) side on the entire widt... | 09/09/2008 |
| 7351309 | Roll in a paper or board machine and a dryer group in a paper or board machine A roll in a paper or board machine has a roll frame or center shaft (15) with bearings mounted at its ends and a groove-like surface structure (10). There is a contact between the surface structure and the center shaft so that an essentially closed str... | 04/01/2008 |
| 7005045 | Belt for machines for producing material webs and process of producing the belt A belt for a material web producing machine and a process of producing the belt. The belt includes a plurality of long-chain strength supports arranged to form interstices and a filler at least partially filling the interstices. The process includes forming a sheet ... | 02/28/2006 |
| 6998022 | Paper machine and press section thereof A soft crepe paper machine comprises a wet section with a press section having a press defined by first and second press elements forming a press nip through which a press felt runs with a paper web. A suction roll is arranged in the loop of the press felt before th... | 02/14/2006 |
| 6884323 | Vented main roll for press assembly in a paper machine A roll for use in a paper machine includes a roll shell having an inner periphery. A roll cover is positioned around the roll shell and has an outer surface. The roll cover and/or the roll shell include at least one main flow channel positioned radially inward from ... | 04/26/2005 |
| 6682632 | Roll for a paper or board machine The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantl... | 01/27/2004 |
| 6494992 | Vacuum conveyor Process for transferring at least a portion of a running web from a first section of a web making machine includes rotating an endless conveyor belt by driving at least one driven pulley, creating a negative pressure at an inner surface of endless conveyo... | 12/17/2002 |
| 6416631 | Pressing apparatus having semipermeable membrane An apparatus for processing a continuous web having a first side and a second side includes a plurality of rollers are arranged for cooperative rotation. The plurality of rollers are positioned to define a corresponding plurality of nips. The continuous w... | 07/09/2002 |
| 6402896 | Roll for a paper or board machine The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantl... | 06/11/2002 |
| 6358370 | Sealing arrangement for a suction box of a suction roll A suction box comprises a fixed frame part (11) and a lid part (12) disposed in the frame part (11) to be movable. The moving lid part (12) moves relative to the fixed frame part (11) with the aid of gravity or with the aid of expansion members (15a, 15b,... | 03/19/2002 |
| 6342126 | Wire section, belt guidance device, and process for forming fibrous material web in wire section Wire section, guidance device, and process of forming a web in a machine for producing a fibrous material web. The device include two revolving endless wire belts, a twin wire zone formed between the two revolving endless wire belts, and a revolving flexi... | 01/29/2002 |
| 6334934 | Sealing device and process for sealing pressure zones in a paper-making machine Sealing device and process for laterally sealing at least one excess pressure or vacuum zone adjoining a moving surface in a paper-making machine. The sealing device has at least one sealing element arranged in a receptacle area of a holder and is movable... | 01/01/2002 |
| 6253983 | Vacuum conveyor Apparatus and process for guiding a running web. The apparatus includes at least two guide rolls, which includes at least one driven roll, a suction box coupled to a vacuum source and having a wall with an aperture, an air-permeable belt tensioned over th... | 07/03/2001 |
| 5635034 | Suction roll or cylinder and method for removing air from a suction roll or cylinder A method for removing air from a suction roll/suction cylinder and a suction roll/suction cylinder including a roll mantle, end flanges connected to the roll mantle and axle journals for revolvingly supported the roll mantle. The mantle has numerous perfo... | 06/03/1997 |
| 4595501 | Horizontal endless belt vacuum filters A horizontal endless belt vacuum filter comprises an endless belt pierced, in its central part, with holes moving above the upper opening of a longitudinal vacuum and extending beneath the upper side of the conveyor belt. An endless filtering medium passe... | 06/17/1986 |
| 4584058 | Method and apparatus for dewatering a fibrous web An apparatus, method and band for forming and/or dewatering a fibrous web, in which the web or a pulp suspension layer forming the same is conveyed and supported through a significant portion of its run in a paper machine by a specific processing band, wh... | 04/22/1986 |
| 3960654 | Shear pump headbox An improved headbox for a papermachine is provided wherein a pair of lobed rotors which extend the full width of the headbox are mounted for delivering paper making stock to rotation in the headbox. As the rotors are rotated, the lobes create a pumping ac... | 06/01/1976 |
