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8997371 |
Device for the flow-through treatment of web-shaped material
The invention relates to a device for the flow-through treatment of web-shaped, gas-permeable material, in particular for drying woven or non-woven fabrics, having the following characteristics: a... |
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8959790 |
Positioning device for a drain pipe in a drying cylinder
A device for positioning a drain pipe (6) of a draining system in a drying cylinder (1), the jacket (2) of which has inner circumferential grooves (3) for condensate which is formed as a result of... |
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8925217 |
Device and method for drying a tissue paper web with steam recapture
Method for steam recapture in the drying of a tissue paper web with a cylinder that is fed from a live steam network and with a hot air hood that flows hot air onto the tissue paper web, includes... |
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8826560 |
Support apparatus for supporting a syphon
A support apparatus and method is disclosed for supporting a syphon within a rotating cylinder. The apparatus includes a hub which is disposed within the rotating cylinder. The hub has a first and... |
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8510899 |
Automatic cleaning air idler
A system and method for self cleaning an air idler are provided. An air idler non-contactingly guides printable media using a flow of fluid through a porous surface portion. Rotation of the air... |
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8495822 |
Heat pump module and drying apparatus using the same
A heat pump module and a drying apparatus having the same are provided. The heat pump module may include a housing, an evaporator provided in the housing that condenses humid air introduced into... |
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8438754 |
Apparatus and method for improving the detachment of paper from the drying cylinder of a paper machine
The object of the invention is an apparatus and a method for improving the detachment of paper (1) from the cylinder of a paper machine in a drying section implemented with a single wire transfer,... |
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8438752 |
Yankee cylinder for paper producing machine
The steel-made Yankee cylinder includes a cylindrical shell (11) joined to two ends (13, 15), to which are fixed respective-support journals (3). The cylindrical shell (11) is joined to the ends... |
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8261465 |
Equipment and method for producing and/or treating a fibrous web
Device and process for producing and treating a fibrous web. The device includes a moistening unit structured and arranged to simultaneously influence a cross machine moisture profile of the web... |
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8196314 |
Apparatus for drying a fibrous web
Disclosed is an apparatus for drying a fibrous web, in particular a paper web, paperboard web or tissue web, by way of hot air, on which the fibrous web is charged with the supply air for the... |
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8176650 |
Method for warming up or cooling down a through-air dryer
A through-air dryer system that diverts the airflow within the through-air dryer during warm up and cool down from the normal airflow during the drying of paper in the papermaking process. During... |
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8127462 |
Cylindrical dryer having conduits provided within a plurality of holding plates
A dryer uses conduits to carry a heating medium, such as steam, to heat the outer surface of the dryer. The volume of steam is successfully reduced to non-explosive levels and the shell need not... |
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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... |
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8061055 |
Step air foil web stabilizer
Web stabilizer particularly for one-sided flotation of a running web. The device includes two discharge slots which allow for increased draw down force, which flattens machine direction wrinkles... |
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7918040 |
Drier installation for drying web
A drier installation (1) for drying web (2), more particularly paper, which installation is provided for drying a maximum web width, the installation (1) comprises gas-heated radiant elements (3)... |
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7805857 |
Dual-purpose drying and cooling apparatus
A dual-purpose, cooling/drying apparatus comprising a rotatable cooling/drying cylinder wherein air, steam, and water supplied from sources external of the cooling/drying cylinder are selectively... |
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7716850 |
Energy-efficient yankee dryer hood system
A paper machine configured as a swing machine capable of producing both light and heavy grades providing a Yankee hood split into a wet end half and a dry end half, at least one hood half being a... |
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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... |
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7662262 |
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... |
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7614161 |
Cylindrical dryer having conduits for heating medium
A dryer uses conduits to carry a heating medium, such as steam, to heat the outer surface of the dryer. The volume of steam is successfully reduced to non-explosive levels and the shell need not... |
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7475496 |
Steam blower box unit
A steam blower box unit having a steam blower box for applying steam to a passing material web, especially a paper or board web, and having a withdrawal device at least partly integrated in the... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |