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| Number | Title | Issue Date |
| 8082680 | Shoe device secured to a syphon for removing condensate A shoe device secured to a syphon is disclosed for removing condensate from an internal surface of a rotating cylinder. The shoe device includes a shoe portion which is disposed adjacent to the internal surface of the rotating cylinder. The shoe portion defines a pa... | 12/27/2011 |
| 7690131 | Device for continuous drying of a pulp web A device for continuous drying of a pulp web, particularly a tissue web, with a drying drum (1) and an air circulating system, where the drying drum (1) has a cylindrical shell (9) designed as a honeycombed body with an annular, flexible transit... | 04/06/2010 |
| 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 |
| 7294235 | Supercalendering optimization using a steam shower There is described a method and apparatus for applying steam from a steam source to a moving web to thereby improve the smoothness and gloss of the web. A housing has at least one cooling chamber upstream and at least one steam chamber downstream. The cooling air in... | 11/13/2007 |
| 7225558 | Cross-machine flow and profile control for through-air devices treating permeable webs A through-air device includes a permeable roll having a hollow interior and mounted for rotation about a longitudinal axis. At least one divider is located in the hollow interior so as to define a plurality of roll channels within the roll, the roll channels being p... | 06/05/2007 |
| 7178582 | Apparatus for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machine An apparatus is disclosed for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machine to a peripheral outer surface of the dryer. The apparatus includes a plurality of bars of rectangular cross-sectiona... | 02/20/2007 |
| 7060163 | Device for continuous drying of a pulp sheet The invention relates to a device for continuous drying of a pulp sheet 10, particularly a tissue web, with a drying drum 1 and an air circulating system. It is mainly characterised by the drying drum 1 having a shell 12 with a perforated... | 06/13/2006 |
| 7040038 | Apparatus for processing permeable or semi-permeable webs An air processing cylinder useful in drying, curing, thermal bonding, cooling, and web transferring materials such as fabrics, papers, and the like. Air is exhausted out of the cylinder surface through a plurality of conduits equipped with distribution means for pro... | 05/09/2006 |
| 7028756 | Apparatus for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machine An apparatus is disclosed for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machine to a peripheral outer surface of the dryer. The apparatus includes a plurality of bars of rectangular cross-sectiona... | 04/18/2006 |
| 7025123 | Fluid distribution system for thermal transfer rollers A thermal transfer roller includes a first end chamber in communication with a source of thermal transfer fluid, an annulus for receiving the fluid and facilitating thermal transfer to a substrate, and a second end chamber in communication with the annulus for recei... | 04/11/2006 |
| 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 |
| 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 |
| 6908420 | Dimensionally stabilized roller body A roller body for a roller, for pressure-treating or temperature-treating or combined pressure- and temperature-treating a web-shaped medium, for example paper, includes a casting body made of an iron-based alloy comprising graphite lamellae. Particular regions of t... | 06/21/2005 |
| 6782638 | Method and device for supplying steam to the drying section in a papermaking machine A method for increasing the drying capacity of a steam group (6) in a drying section of a pulp or paper machine. According to the method, a main steam flow (3) having a first steam pressure is fed to the steam group (6), the main steam flow (... | 08/31/2004 |
| 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 |
| 6473997 | Method and drying section for dewatering a fibrous web The invention relates to a method and a drying section for dewatering a fibrous web (9), the drying section preferably being intended to dry fibrous webs in a paper machine, and the drying section comprising a number of drying cylinders (8), by which an i... | 11/05/2002 |
| 6449874 | Method for blowing steam against paper web, and steam box of paper machine A method for blowing steam against a paper web, whereby the steam is blown by a steam box having several profiling chambers in the cross direction of a paper machine. The cross-profile of the paper web is controlled by the steam supplied by the profiling ... | 09/17/2002 |
| 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 |
| 6405790 | Roll Soft roll that may include a roll tube having an outside surface and a sealed interior space, and an elastic coating provided on the outside surface. The sealed interior space may include a vaporizable liquid and a heat exchanger for cooling heat generate... | 06/18/2002 |
| 6393719 | Process and apparatus for removing water from fibrous web using oscillatory flow-reversing air or gas A process and an apparatus for removing water from a fibrous web are disclosed. The process comprises providing a fibrous web having a moisture content from about 1% to about 99%; providing an oscillatory flow-reversing impingement gas having a pre-determ... | 05/28/2002 |
| 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 |
| 6250376 | Heat exchanging roll A heat exchange roll. The roll includes a roll jacket, and a heat exchanger mounted inside the roll jacket. A supply mechanism controls an inflow and outflow of an external heat transfer fluid to a primary side of the heat exchanger. An internal heat tran... | 06/26/2001 |
| 6227545 | Heatable and/or coolable cylinder Cylinder that includes at least one stationary portion and at least one rotatable portion and a support and a method for sealing the same. The at least one rotatable portion includes a bearing axle rotatably coupled to the support, and the at least one st... | 05/08/2001 |
| 6192597 | Device for treating a fibrous pulp web as well as a sealing device for a device of this kind Device for treating a fibrous pulp web that includes at least one support face, which is one of moving and stationary. The fibrous pulp web may be guided over the at least one support face. The device also includes at least one sealing device positioned o... | 02/27/2001 |
| 6189232 | Blow-suction box or equivalent for a paper machine or board machine The invention concerns a blow-suction box or equivalent for a paper machine or board machine, which box comprises at least a pressure chamber and which box is placed in the vicinity of a cylinder, roll, or equivalent, from which cylinder, roll or equivale... | 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 |
| 6158501 | Thermally insulated roll and insulation assembly for a thermoroll A thermally insulated thermoroll including a shaft supported by bearings with at least one longitudinal shaft channel defined in the shaft for passing a heating medium. A flange with radial bores is connected to the shaft and a shell, with at least one lo... | 12/12/2000 |
| 6128827 | Steam-heated roll and process Steam-heated roll apparatus and process. The steam-heated roll may include a roll, a heating chamber arrangement within the roll, a feeding connection arrangement coupled to the heating chamber arrangement that is adapted for charging the heating chamber ... | 10/10/2000 |
| 6119362 | Arrangements for impingement drying and/or through-drying of a paper or material web An arrangement for impingement drying and/or through-drying of a paper or material web in which the web is dried by blowing hot air and/or superheated steam from an impingement drying and/or through-drying dryer in a direction substantially perpendicular ... | 09/19/2000 |
| 6110361 | Integrated soil and fluid decontamination system A method for decontaminating both soil and mixed waste water polluted by hydrocarbons in a single integrated process is disclosed. Contaminated mixed waste fluid is separated into water and hydrocarbons which are then used in the thermal decontamination o... | 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 |
| 6085437 | Water-removing apparatus for papermaking process A process and an apparatus for removing water from a fibrous web are disclosed. The process comprises providing a fibrous web having a moisture content from about 10% to about 90%; providing an oscillatory flow-reversing impingement gas having frequency o... | 07/11/2000 |
