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| Number | Title | Issue Date |
| 7841103 | Through-air dryer assembly A through-air dryer is disclosed. The through-air dryer includes a cylindrical deck made from a plurality of deck plates that support a throughdrying fabric. The deck plates are supported by opposing hubs. Each of the hubs is in communication with a bearing that is ... | 11/30/2010 |
| 7294239 | Method and an apparatus for manufacturing and drying a fiber web provided with a three-dimensional surface structure An apparatus for dewatering a fiber web in a paper machine includes a heated drying surface, a permeable fabric carrying the fiber web, and a condensing region adjacent a portion of the permeable fabric on a side opposite the fiber web. The fiber web is interposed b... | 11/13/2007 |
| 7249424 | Method and device for controlling the moisture or coating quantity profile in a paper web The narrow-scale moisture profile of a paper web is controlled by profiling nozzles (11) of a profiling device (10) which cover part of the width of the web and desired variations of the moisture profile are corrected by the profiling nozzles (11 | 07/31/2007 |
| 7017279 | Method and apparatus for blowing drying gas in a paper machine A method of blowing drying gas against a paper web, and an impingement dryer of a paper machine. Drying gas is blown with an impingement dryer comprising several profiling chambers in the cross-direction of a paper machine, the cross-profile of the paper web being c... | 03/28/2006 |
| 7018513 | Siphon support, system and method for the use thereof The invention relates generally to an improvement to a rotary joint and stationary siphon system typically for use in the papermaking process. Disclosed is a siphon support that has a bearing that rotatably engages with a siphon and flow openings that allow for stea... | 03/28/2006 |
| 6964117 | Method and apparatus for adjusting a moisture profile in a web An apparatus for drying a travelling wet fibrous web is provided which comprises a rotating air-permeable drum. The drum is at least partially surrounded by a hood which has an interior space for receiving a flow of air and directing the flow of air through a permea... | 11/15/2005 |
| 6952888 | Dryer vacuum box A dryer vacuum box suppresses occurrence of sticking at an exit portion of a dryer roll in a dryer part of a paper machine to prevent paper break in the dryer part of the paper machine upon high speed paper making. The dryer vacuum box is provided for applying a vac... | 10/11/2005 |
| 6944966 | Steam blower box A steam blower box for the application of steam on a material web, particularly paper, which travels past the steam blower box includes a housing wall which faces the material web and extends transversely of the web travel direction. A plurality of steam outlet open... | 09/20/2005 |
| 6916405 | Process and device for drying of a material web Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area having a jacket surface of a cylinder having a diameter of between about 4-10 meters, setting the material web, having a dry content of between... | 07/12/2005 |
| 6896770 | Arrangement within a yankee cylinder or the like and a roller of a paper machine A Yankee cylinder or the like at the dry end of a paper machine has at least a drying cylinder, a hood covering the drying cylinder, a web guiding means, and a roller. After the drying cylinder at the dry end of the machine, seen in the machine direction, a covered ... | 05/24/2005 |
| 6877246 | Through-air dryer assembly A through-air dryer is disclosed. The through-air dryer includes a cylindrical deck made from a plurality of deck plates that support a throughdrying fabric. The deck plates are supported by opposing hubs. Each of the hubs is in communication with the bearing that i... | 04/12/2005 |
| 6848195 | Blow box for controlling the web run A blow box (18) for supporting the web run in a paper machine or the like, which blow box comprises members for maintaining a negative pressure at least in one negative pressure region (24) between the wire (20) and the blow box. The members com... | 02/01/2005 |
| 6732453 | Method and apparatus for arranging exhaust air and supply air in a drying section A method and an apparatus for arranging exhaust air and supply air in a drying section covered with a hood (14) in a paper machine, having drying cylinders (10) or the like and devices operating by negative and positive pressure. The exhaust air from t... | 05/11/2004 |
| 6675876 | Rotary cooling roller A rotary cooling roller includes outer and inner cylinders, two end plates fixed to both ends of the outer cylinder, and a supporting shaft protruding from the end plates. A cylindrical space, provided between the outer and the inner cylinders, communicat... | 01/13/2004 |
| 6569288 | Method for manufacturing surface-treated printing paper In the method for manufacturing surface-treated printing paper, a paper web is first dried down to a target moisture of the surface treatment, and it is wetted again to the target moisture before the surface treatment. The rewetting to the target moisture... | 05/27/2003 |
| 6482295 | Process and device for drying of a material web Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area, maintaining the material web in uninterrupted contact with the at least one heated area at least until the material web achieves a ... | 11/19/2002 |
| 6418639 | Method and device in the dryer section of a paper/board machine The invention concerns a method and a device in the dryer section of a paper/board machine. In the dryer section a normal single-wire draw is applied at least partly, in which method the web (W) is passed through the dryer group on support of a drying wir... | 07/16/2002 |
| 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 |
| 6412189 | Steam box of a paper machine A steam box in a paper machine, the steam box including a main steam zone and at least one side steam zone through which steam is blown to a paper web. The side steam zone is placed in a side section of the steam box and arranged to form a curtain in orde... | 07/02/2002 |
| 6408534 | Steam box A steam box includes a elongated steam-distribution chamber, regulator chambers set in a row next to the elongated steam-distribution chamber and covered on one side with a continuous perforated screen. Operating devices distribute the steam from the dist... | 06/25/2002 |
| 6351896 | Method and apparatus for drying a fiber web A method and apparatus for drying a fiber web, in which the fiber web is dried between two tight bands moving in the same direction and turning around turning rolls. The first band is heated and the second band is cooled by a cooling chamber. The cooling ... | 03/05/2002 |
| 6294050 | Drying end of a machine for the production of a material web and method of drying a material web Drying end of a machine for the production of a material web such as paper or cardboard. The drying end includes at least one impact flow drier configured to bombard at least one surface of the material web with hot air or hot steam impact flow. Also prov... | 09/25/2001 |
| 6260287 | Wet web stability method and apparatus A sheet stabilizer is provided for a dryer section of a paper-making machine which conveys a wet sheet of paper by way of a felt or fabric, the dryer roller including a leading upper dryer roller, a lower dryer roller, and a trailing upper dryer roller. T... | 07/17/2001 |
| 6205675 | Dehydration machine A dehydration machine includes a stuff tank, a stuff inlet provided at a lower portion of the stuff tank, a stuff outlet provided at an upper portion of the stuff tank, and a pair of drums each having a circumferential wall with a plurality of water passa... | 03/27/2001 |
| 6199296 | Seal arrangement for through-air drying papermaking machine An apparatus for drying a wet web of paper comprising at least one through-air dryer, each dryer including a rotatable cylinder having a porous cylindrical deck, at least one continuous drying fabric wrapped about a portion of the circumference of the dec... | 03/13/2001 |
| 6189233 | Dryer section Dryer section of a machine for at least one of producing and processing a web of material. The dryer section includes at least one heatable drying cylinder having a circumference, at least a part the circumference adapted to be surrounded by the material ... | 02/20/2001 |
| 6185836 | Steam-heated roller with cooling system A roller or roll heated by a gaseous heat carrier medium, preferably steam, having axially parallel peripheral passages for use in the pressing or smoothing station of paper making machines is connected to a device for the feeding and draining of the heat... | 02/13/2001 |
| 6161303 | Pressing apparatus having chamber end sealing An apparatus for processing a continuous web includes a plurality of rollers arranged for cooperative rotation. Each of the plurality of rollers have a first circular end surface, a second circular end surface and a cylindrical middle surface. The plurali... | 12/19/2000 |
| 6161302 | Dryer apparatus for fiber webs The invention relates to a dryer apparatus for fiber webs (10), such as webs of natural fiber, synthetic fiber and the like. The apparatus comprises a rotating dryer cylinder (1), the interior of which is provided with elements (8) for injecting hot heat-... | 12/19/2000 |
| 6154981 | Method and apparatus for improving the drying capacity of a hood covering a yankee cylinder A method and an apparatus for improving the drying capacity of a hood covering a Yankee cylinder (10), when drying a web with a Yankee cylinder while conveying the web over the cylinder by blowing hot air jets against the web at the region of a first hood... | 12/05/2000 |
| 6108936 | Method and device for contact-free drying of a paper web or equivalent Method for one of drying and cooling a web in which a web is passed over an arcuate circumference of a blow device, a gas is directed from an interior of the blow device at the web through first openings formed in a mantle of the device to form a support ... | 08/29/2000 |
| 6098311 | Air heating and control system An air heating and control system, which in one application controls the diameter of a calender roll in the paper making process, includes a row of heater packs proximate to the various zones of the calender roll. Each heater pack has a plurality of elect... | 08/08/2000 |
| 6079117 | Device for removing moisture from textile webs A device for removing moisture from a continuously advancing textile web by suction. A suction slit which reaches crosswise across the textile web is provided, which is delimited on one side by a slide surface, on the other side by a roll. On the side fac... | 06/27/2000 |
| 6068735 | Dust-controlling apparatus, with a water curtain device, for a paper manufacturing machine A dust and fiber control device for paper making apparatus is described. The device includes a wall in conjunction with a feed spout for providing a water curtain. The water curtain serves to capture and remove air suspended dust and fiber particles from ... | 05/30/2000 |
| 6012234 | Device for drying a continuous web A machine for drying a continuous web is provided. At least one drying cylinder around which the web is dried is provided. The cylinder includes a sleeve which transfers heat from steam in the cylinder to an outer surface which contacts the web. The sleev... | 01/11/2000 |
| 5992040 | Drying section apparatus A drying section apparatus is disclosed for drying a web of paper. The apparatus includes a size press for applying size to at least one side of the web. A single tier dryer is disposed downstream relative to the size press for drying the web. The single ... | 11/30/1999 |
| 5966835 | Method and apparatus for heat treating webs A web to be heat-treated bears against a rotary cylinder containing a stationary complement of IR burner modules in an assembly that is axially removable from the cylinder. The IR burner complement extends all along--but only partway around--the cylinder,... | 10/19/1999 |
| 5943788 | Steam/condensate/water coupling for a cylinder in a paper/board machine An arrangement for a drying cylinder in a paper/board machine including a steam, condensate and/or water coupling. The coupling includes a steam pipe through which steam is passed into an interior of the drying cylinder, a condensate pipe through which co... | 08/31/1999 |
| 5940981 | Machine for manufacturing a material sheet Machine for manufacturing a material sheet and method of guiding the material sheet through the machine. The machine may include a dryer section including at least one dryer group having a plurality of dryer cylinders. Centers of a first plurality of the ... | 08/24/1999 |
| 5933981 | Device and method for stabilizing a continuous paper web in a paper-making machine in the vicinity of a roll In the device disclosed, a paper web is carried on a belt and stabilized by an underpressure produced by a box opposite the roll, the paper web being sucked by the underpressure against the belt. Located in the box, immediately following the underpressure... | 08/10/1999 |
