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| Number | Title | Issue Date |
| 8187426 | Steam shower having improved maintenance access A steam shower is provided for supplying steam to a web in a paper machine. The steam shower includes a diffuser assembly mounted to the cross-beam for movement in the direction of the longitudinal axis of the cross beam. The cross-beam defines an interior steam hea... | 05/29/2012 |
| 7935224 | Unit in a forming section of a papermaking machine The invention discloses a pre-assembled self-supporting unit (1) for a twine wire forming section. The unit comprises an integrated save-all tray (25) and other integrated elements such as cross walkway (17), piping beam (10), connecting ... | 05/03/2011 |
| 7452447 | Steam distributor for steam showers A steam distributor that uses a porous metal plate to replace the conventional screen plate of a steam shower for distributing steam to a moving web such as the web of a paper making machine. Steam showers using a steam distributor with this porous metal plate can d... | 11/18/2008 |
| 7427335 | Cleaning device of band-like apparatus Described is a cleaning device for a band-like apparatus. It comprises a hollow rotatable roll supported to turn in the traveling direction of the band-like apparatus. The roll has a plurality of apertures formed in it, and cleaning fluid jet nozzles arranged at the... | 09/23/2008 |
| 7306702 | Enzymatic press felt treatment Methods for reducing or inhibiting deposition on or within press felts to increase the effective life of the press felt and reduce or eliminate the need for batch cleaning are disclosed. The methods disclosed treat press felt while paper is being produced with compo... | 12/11/2007 |
| 7303655 | Apparatus for conditioning a fabric in a papermaking machine and associated method An apparatus is provided for conditioning a fabric being advanced in a machine direction in a papermaking machine. The fabric has an outer side adapted to engage a paper web and an opposing inner side. Such an apparatus comprises a fluid-emitting device configured t... | 12/04/2007 |
| 7300551 | Paper machine belt conditioning system, apparatus and method A belt conditioning method, apparatus and paper machine employing the method and apparatus are provided. The belt method and apparatus include multiple conditioning devices using chemicals to condition water impermeable surfaces of paper machine belts, such as trans... | 11/27/2007 |
| 7293572 | Cleaning equipment for cleaning a moving surface particularly in a paper machine Cleaning equipment for cleaning a moving surface particularly in a paper machine includes a washing head with a chamber in it opening onto the surface to be cleaned and nozzle elements arranged inside the chamber. The cleaning equipment also includes vacuum means an... | 11/13/2007 |
| 7217342 | Apparatus for paper making and paper surface enhancement A process that can utilize current paper manufacturing facilities by adding consecutive spray apparatuses that can make and/or enhance the manufacture of a multitude of specific paper products on-line, or improve the properties of already formed paper products with ... | 05/15/2007 |
| 7166194 | Water jet cutter A water jet cutter for separation of a trim strip from a moving paper, cardboard, tissue or other type of fiber web, in a machine for the production and/or conversion of the fiber web, including at least one nozzle whose water jet is directed onto the fiber web. An ... | 01/23/2007 |
| 7141142 | Method of making paper using reformable fabrics Papermaking fabrics, particularly those fabrics useful for making tissue and towel products, can be modified to alter their structure, such as surface texture, and re-used to make a different product. The fabrics can be modified after removal from the paper machine ... | 11/28/2006 |
| 7112260 | Process and device for cleaning a circulating belt Device and process for cleaning a circulating belt, the device using a cleaning device having at least one nozzle. The process includes feeding a pressurized fluid to the at least one nozzle, and subjecting the circulating belt to the pressurized fluid via the at le... | 09/26/2006 |
| 7077260 | Device for cleaning corrugator belts A device for cleaning the endless belt of a corrugator machine while the belt is moving and the machine continues in operation. The device includes a movable cleaning head incorporating a sprayer means for applying a forceful stream of cleaning solution to the belt ... | 07/18/2006 |
| 6998021 | Arrangement for paper machine, and blow box In a paper machine which comprises process elements and a measuring beam, the measuring beam is arranged at least at one paper machine process element so that a measuring device for measuring quality properties of a paper web is arrangeable in the measuring beam. Th... | 02/14/2006 |
| 6955742 | Removable shower strip for a papermaking machine A shower device for a papermaking machine is provided which includes a longitudinally extending hollow member having an inlet end adapted for connection to a pressurized water source. A slot extends longitudinally along at least a portion of the hollow member. The s... | 10/18/2005 |
| 6941606 | Sheet and web cleaner on suction hood A sheet and web cleaner has a pair of substantially identical units in facing relation, providing a path for transporting a sheet or web therebetween. Each unit includes a suction hood with an inlet slot. A pair of channels adjacent and parallel thereto have a press... | 09/13/2005 |
| 6929716 | Method for the manufacture or treatment of a material web A method for the manufacture or treatment of a material web, in particular of a paper or a cardboard web, while using a respective machine, in particular a paper machine, including the step of measuring the hardness and/or the compactness of at least one clothing, i... | 08/16/2005 |
| 6716316 | Process for conditioning a circulating felt belt Process for conditioning a circulating felt belt of a machine, pipe suction apparatus and traversing pipe suction apparatus therefor, the process including performing a zonal conditioning of a plurality of zones across a width of the felt belt by measuring at least ... | 04/06/2004 |
| 6716307 | Process and system for the removal of scale build-up A method to remove scale build-up in a vessel having at least one screen is described and involves placing a cover inside the vessel such that it is located beneath at least one screen to separate the screen from the rest of the vessel. The cover in the vessel forms... | 04/06/2004 |
| 6592721 | Apparatus for dewatering a suction papermaking roll An air delivery device is provided for dewatering a suction roll in a paper machine by applying pressurized air to expel residual water or debris outwardly from through-holes. The air delivery device is positioned at a suitable circumferential position of... | 07/15/2003 |
| 6524443 | Pulping system for a paper machine A paper machine includes a traveling belt for carrying a fiber web, and a cutting device disposed below the belt for cutting the fiber web into smaller pieces. The cutting device has an inlet and an outlet. A guiding device guides the fiber web from the b... | 02/25/2003 |
| 6502434 | Effluent shower for pulp washer A washer for washing a fiber suspension includes a porous surface traveling in a running direction and having a width in a direction transverse to the running direction. The porous surface is configured for carrying the fiber suspension thereon. A shower ... | 01/07/2003 |
| 6468397 | Scarfing shower for fabric cleaning in a wet papermaking process A system and process for removing unwanted fibers from a forming fabric during a wet papermaking process is disclosed. The system includes a scarfing shower configured to emit a cleaning fluid that contacts the forming fabric. In particular, the cleaning ... | 10/22/2002 |
| 6383337 | Method and device for applying a medium on a running web of material A papermaking machine and a method for applying an application medium to a moving web of material in a papermaking machine. The papermaking machine has a wet end section, a press section, a drying section and an applying device for applying a medium to a ... | 05/07/2002 |
| 6364959 | Process for cleaning a transport belt A process and apparatus for cleaning a transport belt of a machine for the production or processing a web. The apparatus includes at least one nozzle device composed of a rotatable nozzle head having at least one cleaning nozzle, a transport device includ... | 04/02/2002 |
| 6360758 | Cleaning device in paper machines, board machines or other similar machines for cleaning a fabric, such as wire or felt A cleaning device in a paper or board machine, for cleaning a fabric therein, the fabric moving in a direction of movement. The device comprises a nozzle which directs a water shower or jet against the fabric which is to be cleaned, the nozzle including a... | 03/26/2002 |
| 6361654 | Air knife assisted sheet transfer A system and method for transferring a nonwoven web in a wet papermaking process to a fabric is disclosed. The system includes a vacuum shoe that operates in conjunction with a transfer shoe. The vacuum shoe is contacted against a carrier fabric which is ... | 03/26/2002 |
| 6254730 | Impact angle changing shower The invention provides a novel impact angle changing shower for spraying a fluid upon a moving belt surface while the belt travels at a selected belt velocity. The shower includes nozzles journaled to rotation about an axis in a plane normal to the belt s... | 07/03/2001 |
| 6248213 | Procedure for washing the fabrics of a paper machine or equivalent A method and apparatus for washing a fabric from a paper machine or equivalent, in which a washing fluid is applied to the fabric. In the procedure, the quantity of washing fluid is removed from the fabric and measured by a measuring device, whereby the m... | 06/19/2001 |
| 6228216 | Transfer of a cellulosic web between spaced apart transport means using a moving air as a support A gas stream directed at a velocity against a cellulosic web in a papermaking machine can act to transfer the web from a transport web moving at a first speed to a transport web moving at a second slower speed. The transport webs apply a linear velocity t... | 05/08/2001 |
| 6153056 | Device and method for draining a paper machine felt Draining device and method for draining water from an interior surface of a felt belt loop circulating in a run direction via centrifugal force at a region of convex curvature of the interior surface of the felt belt. The draining device includes jets pos... | 11/28/2000 |
| 6136148 | Method for cleaning fabrics of a paper machine A method and apparatus for cleaning a drying fabric of a paper machine. In the method a cleaning liquid is introduced into a gap (3) defined by the roll or cylinder (2) of a paper machine and a fabric (1) being fed onto the roll or cylinder. The cleaning ... | 10/24/2000 |
| 6126788 | Apparatus for dewatering of paper machine felts An apparatus for the dewatering of a traveling press felt carries a purging fluid to the inside surface of the felt loop. The purging fluid flushes water from the felt into receptacles inside the felt loop. Purging nozzles oriented in the cross machine di... | 10/03/2000 |
| 6099691 | Apparatus for cleaning a papermaking machine forming fabric A method and apparatus for cleaning the forming fabric used on a papermaking machine includes a chamber surrounding a span of the forming fabric on either side thereof. A source of sub-atmospheric air pressure is connected to the chamber for removing wate... | 08/08/2000 |
| 6051108 | Method of removing and preventing the buildup of contaminants in papermaking processes A method is disclosed for removing and preventing the buildup of contaminants in papermaking wet press felts and on forming wires using a cleaning solution which contains at least one acidic cleaning compound and peracetic acid.... | 04/18/2000 |
| 5964960 | Cleaning device Cleaning device to clean a roll, e.g., a concrete or granite roll, in a paper machine. The cleaning device may include a spray unit that may include a high-pressure spray device having an operational pressure of at least approximately 10 bar to spray a su... | 10/12/1999 |
| 5961735 | Method of cleaning papermaking felts with enzymes A method of treating a felt to remove contaminants therein comprises the steps of providing a felt used in transporting paper webs, preparing an enzyme solution comprising an enzyme selected from the group consisting of a cellulase, a hemicellulase, and m... | 10/05/1999 |
| 5958190 | Cleaning apparatus for cleaning a forming wire A cleaning apparatus is disclosed for cleaning a forming wire of a paper machine. The apparatus includes a shower which is disposed adjacent to the forming wire for applying a shower of cleaning fluid to the wire. A blow box is disposed closely adjacent t... | 09/28/1999 |
| 5944956 | Surface-cleaning doctor for use in a papermaking operation and associated method A doctor system (20) and an associated method for cleaning the moving surface (30) of a papermachine component (22) which is begrimed or wetted by a paper web (28) moved around the surface utilizes an air nozzle (54) supportable in a stationary condition ... | 08/31/1999 |
| 5932070 | Process and device for the removal of paper sheet remnants from a belt The present invention is directed to a device for removing at least one of paper sheet remnants and a paper sheet from a belt. The device may include a blow device including at least one blow opening extending lateral to a travel direction of the belt and... | 08/03/1999 |
