Class / Patent application number | Description | Number of patent applications / Date published |
162204000 | Subsequent treatment of formed web | 42 |
20100078141 | Surface treating tissue webs via patterned spraying - Tissue webs, such as are useful for making bath tissue, can be surface-treated in a pattern with selected papermaking chemicals, such as debonders and strength agents, to selectively improve the directional properties of the resulting tissue product, particularly the cross-machine direction strength properties. The pattern can be applied to the tissue sheet by spraying the selected chemical outwardly through a pattern of open areas in the shell of a rotating hollow roll, where the pattern of open areas corresponds to the desired pattern of chemical deposited on the surface of the tissue web. | 04-01-2010 |
20120160441 | PAPER PRODUCT, AND PROCESS FOR MANUFACTURING A PAPER PRODUCT - The invention relates to a paper product formed from fiber-based source material and applicable as printing paper. According to the invention, the surface of the paper product is finished by providing sufficient density on the surface so that the density of at least one surface layer of the paper product is sufficiently high to yield a Gurley-Hill value of more than 7000 s/100 ml as measured from the entire paper product, and the paper product has been dried to a moisture content of less than 3.5%. In addition, the invention relates to a process for manufacturing a paper product. | 06-28-2012 |
20120273148 | Methods of Making Absorbent Members Having Skewed Density Profile - Absorbent members and methods of making the same are disclosed. In one embodiment, the absorbent member is a unitary absorbent fibrous web having a density profile through its thickness. In one embodiment, the density profile of the fibrous web is skewed toward one of the surfaces of the fibrous web. In such embodiments, the maximum density of the web may be located outside of the central 30% zone of the thickness of the web. In one embodiment, the method involves subjecting a precursor web to at least one cycle (or pass) through a mechanical deformation process. Typically, the method involves subjecting the precursor web to multiples cycles (or passes) through a mechanical deformation process. | 11-01-2012 |
20160097159 | WET PAPER WEB TRANSFER BELT, PAPERMAKING SYSTEM, PAPERMAKING METHOD AND METHOD FOR PRODUCING A WET PAPER WEB TRANSFER BELT - The object of the present invention is to provide a wet paper web transfer belt having excellent wet paper web transfer properties wherein the paper robbing phenomenon in the press part is prevented, a papermaking system having excellent operational stability comprising said wet paper web transfer belt, a papermaking method having excellent operational stability using said wet paper web transfer belt, and a method for producing said wet paper web transfer belt. | 04-07-2016 |
162205000 | Pressure | 26 |
20080196855 | PRESS SECTION AND PERMEABLE BELT IN A PAPER MACHINE - A permeable belt, a belt press including a roll having an exterior surface and the permeable belt, and a method of drying or pressing a web with the permeable belt. The permeable belt can be tensioned to at least 30 KN/m. A side of the permeable belt has an open area of at least approximately 25% and a contact area of at least approximately 25%. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way. | 08-21-2008 |
20080210397 | Press Section and Permeable Belt in a Paper Machine - A belt press for a paper machine, the belt press including a roll having an exterior surface and a permeable belt. The permeable belt has a first side and is guided over a portion of the exterior surface of the roll. The permeable belt has a tension of at least approximately 30 KN/m, the first side has an open area of at least approximately 25% and a contact area of at least approximately 10%. | 09-04-2008 |
20080271868 | Forming Sieve for the Wet End Section of a Paper Machine - A sieve for the wet-end section of a paper machine is described, in which the sieve has been compressed by at least one of increased temperature, pressure and/or moisture. Such a treatment leads to a sieve which has at least one side wherein the thread floats and knuckles are reshaped and the sieve presents at least one substantially flatter surface for the production of paper. This process does not cause any physical damage to the surface of the sieve, as current techniques of abrasively polishing the surface do, and therefore leads to cloths with improved properties and lifetimes. | 11-06-2008 |
20080314540 | Method for dewatering a fabric - A method of dewatering a fabric includes contacting the fabric with an endless wicking substrate. | 12-25-2008 |
20090173465 | Support Body For An Apparatus Having An Extended Nip For The Treatment Of A Fibre Web - A support body for an apparatus having an extended nip formed between the support body and a counter-pressure member, having a working surface, being elastically deformable, and comprising a plurality of pressure chambers pressurized for controlled expanding in the direction of the working surface in order to load the nip. According to the invention the support body comprises a plurality of reinforcing profiles disposed in at least one chamber of the pressure chambers, the interiors of the profiles being in fluid communication with one another via holes, a wall of the profile facing said working surface including holes for communicating fluid between the interior of the profile and the chamber in which said profile is located, said profiles providing an inner support to walls defining said at least one chamber. | 07-09-2009 |
20090321033 | METHODS OF FORMING AN EXTENDED NIP IN A WEB-TREATMENT APPARATUS AND CONTROLLING LOAD IN THE NIP, EMPLOYING AN ELASTIC SUPPORT BODY AS ONE OF THE NIP-FORMING ELEMENTS - A support body for an apparatus having an extended nip that is defined by a contact surface of the support body and an opposed surface, the support body having two side surfaces facing from each other and connecting to the contact surface, and a bottom surface facing from the contact surface, the support body being arranged to be moved towards the opposite surface by means of a loading system in order to load the nip via the contact surface. The support body is elastically deformable and has its contact surface adaptable to the opposite surface in interaction therewith. A method of forming an extended nip in an apparatus includes loading the support body by means of a loading system, and a method of controlling the load in the extended nip includes designing the support body with at least two layers with different elasticity providing a corresponding load profile. | 12-31-2009 |
20100096097 | PROCESS AND MACHINE FOR THE MANUFACTURE OF A PAPER WEB THAT IS SMOOTH ON ONE SIDE - A method to manufacture a fibrous web in the form of a paper web, which is smooth on one side, by a papermaking machine having a forming area, a pressing area and a drying area. The method including picking up the paper web from the forming area by a water absorbent first press felt; guiding the paper web together with the first press felt and a smooth transfer belt through a first press nip. The smooth transfer belt being configured to substantially not absorb any water. The first press nip being a part of the pressing area. The first press felt being configured to be separated and led away from the paper web immediately after the first press nip. The method further including the steps of leading the paper web together with the smooth transfer belt away from the first press nip; and subsequently leading the paper web from the smooth transfer belt by way of a conditioned water absorbent second press felt, the second press felt not passing through the first press nip; and subsequently guiding the paper web together with the second press felt through a second press nip, the second press nip being associated with the drying area. | 04-22-2010 |
20100276097 | Arrangement and Method for Controlling Underpressure in a Drying Section of a Paper Machine or the Like - The object of the invention is an arrangement and a method for controlling underpressure in the drying section of a paper machine or the like in connection with a pocket space between two drying cylinders and one turn roll. The object of the invention is also a runnability component in a paper machine or the like, such as a board or a finishing machine. The runnability component comprises an entry side, a lower part and an exit side, which are in contact with each other and delimit the volume of a box-like runnability component, and a sealing element, which is arranged in connection with the entry side surface and which divides the surface into a first part and a second part. The runnability component is provided with a channel, which extends from the first part of the entry side surface to its second part and connects them. | 11-04-2010 |
20100326616 | Papermaking Machine Employing An Impermeable Transfer Belt, and Associated Methods - A papermaking machine for making paper includes a forming section, a press section, and a drying section. The paper web is pressed between two press members while enclosed between a press felt and a transfer belt having non-uniformly distributed microscopic depressions in its surface, the web following the transfer belt from the press to a transfer point at which the web is transferred via a suction transfer device onto a structuring fabric, the web then being dried on a drying cylinder. The transfer point is spaced a distance D from the press nip selected based on machine speed, a basis weight of the web, and the surface characteristics of the transfer belt, such that within the distance D a thin water film between the web and the transfer belt at least partially dissipates to allow the web to be separated from the transfer belt. | 12-30-2010 |
20110017418 | PRESS FELT AND ITS USE - A press felt ( | 01-27-2011 |
20110056641 | DEVICE AND PROCESS FOR DEWATERING A MATERIAL WEB - This invention relates to a dewatering device for dewatering a material web ( | 03-10-2011 |
20110146932 | ADVANCED DEWATERING SYSTEM - Method of drying a paper web in a press arrangement. The method includes moving the paper web, disposed between at least one first fabric and at least one second fabric, between a support surface and a pressure producing element and moving a fluid through the paper web, the at least one first and second fabrics, and the support surface. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way. | 06-23-2011 |
20110155340 | STRUCTURED FORMING FABRIC, PAPERMAKING MACHINE AND METHOD - A fabric for a papermaking machine that includes a machine facing side and a web facing side including pockets formed by warp and weft yarns is provided. Each pocket is defined by four sides on the web facing side, each of the four sides is formed by a knuckle of a single yarn that passes over only two consecutive yarns to define the knuckle. | 06-30-2011 |
20110303379 | DEVICE AND METHOD FOR PRODUCING A MATERIAL WEB - A device for drainage of a pulp web, particularly a tissue web, having a first pressing zone having a first pressing zone length through which the pulp web is fed horizontally between a circulating, permeable band and a circulating, permeable support band. The first pressing zone is designed such that a fluid can flow through the band, the pulp web and the support band at least on one part of the first pressing zone length. In addition, the device has a subsequent second pressing zone having a second pressing zone length. The pulp web is guided through the second pressing zone between two bands having differing compressibility. | 12-15-2011 |
20130133851 | DEVICE AND METHOD FOR PRODUCING A MATERIAL WEB - A method to dewater a fibrous web includes directing the fibrous web through a first press zone defined between a revolving permeable belt and a revolving permeable support belt and having a first press zone length. The fibrous web is arranged lying between the revolving permeable belt and the revolving permeable support belt. A fluid is caused to flow through the permeable belt, the fibrous web and the support belt at least over a section of the first press zone length. The fibrous web is dewatered in a second press zone following the first press zone and defined between the revolving permeable belt and the revolving permeable support belt, the second press zone having a second press zone length. The fibrous web is led through the second press zone between the permeable belt and the support belt, the permeable belt and the support belt each having a different compressibility. | 05-30-2013 |
20130160960 | TISSUE SHEETS HAVING ENHANCED CROSS-DIRECTION PROPERTIES - The present disclosure provides tissue webs with improved durability produced by rewetting a dried tissue web, pressing the rewetted web and drying the web for a second time. This improved durability is manifested by a high cross-machine direction (CD) slope. | 06-27-2013 |
20130220565 | Arrangement for Treating Fiber Web - An arrangement for treating a fiber web, in particular for sizing paper and board web (W), using a sizer ( | 08-29-2013 |
20150114584 | ROLL COVER AND METHOD FOR THE PRODUCTION THEREOF - A roll covering is particularly suited for use in the press section of a machine for the production of a web of fiber-based material, for example a papermaking machine, a paperboard machine, or a tissue machine. The roll covering is arranged on a roll core which, in particular, is composed of metal or of a fiber-composite material. The modulus of elasticity of the roll covering is from 500 to 1500 N/mm | 04-30-2015 |
20160024715 | ENDLESS BELT CHANGING APPARATUS AND METHOD - The invention relates to methods and an apparatus useful to installing and removing endless belts in a conveyor system and more preferably continuous fabrics, belts, felts and webs used in the papermaking process. According to the present invention a pair of guide rolls to move a first continuous fabric from a first fabric position to a second fabric position and a second fabric from the second fabric position to the first fabric position, passing the fabrics over one another as the position of the fabrics are exchanged. The movement of the first and second fabrics may be done at the same time so as to further enhance the efficiency of changing fabrics. | 01-28-2016 |
162206000 | With heating and/or cooling | 7 |
20080236776 | Method For the Production of a Paper Web, Especially Rotogravure Paper - The invention relates to a method for producing a paper web or another fibrous web. According to said method, the fibrous web is impinged upon by pressure in the penultimate press nip and then in a last press nip of a press section. One face of the fibrous web is in contact with a smooth surface when penetrating the penultimate press nip while the other face of the fibrous web is in contact with a smooth surface the when penetrating the last press nip. | 10-02-2008 |
20080257510 | Method and Apparatus for Heating a Roller - A method and an apparatus for heating a roller used in the production and/or finishing of a web of material, particularly a paper web or paperboard web, are provided. According to the method, a roller is heated from the outside by a heated gas. The apparatus is configured to heat a roller used in the production and/or finishing of a web of material according to the method. | 10-23-2008 |
20090199989 | Device and method for surface processing webs of paper and similar endless non-wovens by means of a heatable roller - A roller for thermal pressure treatment of web-type media such as paper or non-wovens, provided with an inner heating system and comprising a base body made of hardened and tempered wrought steel or alloyed cast iron, an intermediate layer applied to the surface thereof and a hard wearing layer applied thereon. Peripheral bores or canals extending parallel to the axis are arranged in the base body of the roller at a regular distance from the surface, being distributed in a regular manner on the circle formed about the roller axis. The materials used and the arrangement of the peripheral bores are such that the roller can be used in calanders in a method wherein the surface temperatures of the roller exceed 140° C., the heating capacity is more than 35 kW/m | 08-13-2009 |
20090283234 | METHOD AND APPARATUS FOR DRYING A FIBROUS WEB - A method for drying a fibrous web, particularly a paper, cardboard or tissue web whereby the moving fibrous web is treated with got air in the area of a pre-definable drying zone the fibrous web is treated, at leas in some areas inside the drying zone with steam. | 11-19-2009 |
20100139881 | APPARATUS WITH AN IMPERMEABLE TRANSFER BELT IN A PAPERMAKING MACHINE, AND ASSOCIATED METHODS - An apparatus for transferring a wet paper web from a press nip to a drying cylinder ( | 06-10-2010 |
20140284012 | PAPER MAKING MACHINE, AN EXTENDED NIP ROLL AND A METHOD OF PRODUCING TISSUE PAPER - The invention relates to an arrangement arranged to introduce a three-dimensional structure in a paper during production of said paper in a paper making machine ( | 09-25-2014 |
20150136349 | Method for Producing Fiber Webs and Production Line for Producing Fiber Webs - A method for producing a fiber web (W) in which method the fiber web (W) is calendered in at least one nip (NA) of a calender ( | 05-21-2015 |
162207000 | Heating, cooling, gas or vapor contact | 12 |
20090173466 | Drop-out steam profiling cartridge - A steam distributor for applying steam to a continuously moving paper sheet employs one or more drop-out steam profiling cartridges. Each cartridge is connected to a steam distribution apparatus and includes a number of profiling zones that are covered by a contoured, smooth profiling screen from which steam is applied. The profiling screens are welded to baffles which enhances the structural integrity of the cartridge. No external clamps or other devices are employed that would otherwise disrupt the smooth, curved exterior surface of the profiling screens. The spaced-apart baffles also eliminate the spilling over of steam from one profiling zone to the next which has the effect of minimizing the response width for steam profiling control. The use of the drop-out cartridges permits quick and easy removal of the profiling screens for change-out or cleaning. | 07-09-2009 |
20090194245 | Papermaking Clothing Defining a Width of a Paper Web and Associated System and Method - A clothing for supporting a wet paper web for dewatering is provided, comprising a dewatering fabric extending in a machine direction and formed only from a woven material to have a single, substantially consistent, permeability. A pair of laterally-spaced strip portions extend along the dewatering fabric in the machine direction, with each being substantially and consistently impermeable to air and forming a substantially and consistently smooth non-water-retaining surface. The strip portions define a permeable web-carrying portion of the dewatering fabric therebetween, wherein the paper web carried thereby extends over the entire width thereof. The permeable web-carrying portion allows air to flow therethrough, exclusively of the impermeable strip portions, such that the wet paper web carried only by the permeable web-carrying portion is dewatered. The width of the permeable web-carrying portion thereby defines the width of the wet paper web dried thereon. Associated systems and methods are also provided. | 08-06-2009 |
20090260771 | Sheet Stabilizer With Dual Inline Machine Direction Air Clamps and Backsteps - An air stabilization system employing two substantially parallel, codirectional Coanda nozzles, that are positioned adjacent a flexible moving web, with each nozzle exhausting gas at the same downstream machine direction, subjects the moving web to shear forces effective to stabilize the web. Each nozzle includes an elongated slot that is substantially perpendicular to the path of the moving web and a backstep located downstream of the direction of airflow extending from the Coanda slot. The two Coanda nozzles serve as separate points along the machine direction for controlling the height of the moving web. By modulating the velocities or other parameters of gases exiting the Coanda nozzles, the shape of the moving web between the nozzles can be manipulated to present a planar contour for measurements. The air stabilization system can be incorporated into a scanner head to measure the caliper of paper, plastic, and other flexible web products. | 10-22-2009 |
20090260772 | Sheet Stabilization With Dual Opposing Cross Direction Air Clamps - An air stabilization system employing two parallel, opposite facing Coanda nozzles, that are positioned adjacent a flexible moving web, with each nozzle exhausting gas at opposite directions, subjects the moving web to opposing forces effective to stabilize the web. Each nozzle includes an elongated slot that is parallel to the path of the moving web. The two Coanda nozzles serve as separate points along the machine direction for controlling the height of the moving web. By modulating the flow, pressure and other parameters of gases exiting the Coanda nozzles, the shape of the moving web between the nozzles can be manipulated to present a planar contour for measurements. The air stabilization system can be incorporated into a scanner head to measure the caliper of paper, plastic, and other flexible web products. | 10-22-2009 |
20100043994 | End Part of an Air Dryer, Air Dryer, Method in the End Part of an Air Dryer and Use of Fan - The object of the invention is an end part ( | 02-25-2010 |
20100084104 | PROCESS AND DEVICE TO MOISTEN A WEB OF MATERIAL - In a method for moistening a material web, particularly a moving web, particularly a paper or cardboard web, the moisture is applied onto the material web via at least two medium flows of different temperatures, particularly two vapor flows, or one vapor flow and one gas flow. | 04-08-2010 |
20100206505 | Method and apparatus for drying of fibrous webs - A machine and process for production of wet formed fibrous webs, in which the web is formed from a suspension on a fabric and subjected to a final drying process such as a Yankee dryer roll, while further subjecting the Web to an intermediate drying on a high-heat-transfer roll, with or without hood, before the final drying process. The intermediate dryer roll has a solid, gas-impermeable surface, and a localized heat source directly heats the dryer to a higher temperature than in the final drying process. | 08-19-2010 |
20100206506 | Device and process for production of a fibrous web - A machine and process for production of a fibrous web, with a forming section ( | 08-19-2010 |
20130192786 | Method to Control Response Shape of Footprint for Zone Moisture Control on a Steambox and Maintain Screen Plate Cleanliness - A steam distributor includes multiple steam discharge chambers that are separated by laterally spaced apart partition panels that create corresponding profiling zones. The profiling zones are covered by a perforated screen plate through which steam passes onto a moving sheet that is traveling in the machine direction. One or more of the partition panels is not aligned in the machine direction so that one or more of the steam discharge chambers defines a non-rectangular profiling zone. The orientation of one or more of the baffles can he adjusted in order to control the response shape of the steam footprints on a moving sheet for zone moisture control. The panels can be articulated to allow dynamic adjustments of the profiling zones for cross direction response control. | 08-01-2013 |
20140060764 | METHOD FOR DRYING A FIBROUS WEB IN A DRYING DEVICE, AND DRYING DEVICE - A method for drying a fibrous web in a drying device and to a corresponding drying device is provided, in which the fibrous web is guided in an open draw with multiple deflections through the drying device through a plurality of intermediate drying spaces which are arranged parallel to one another and define web-guiding path sections, and is loaded on both sides with a drying medium, in particular hot air, for thermal transfer. The fibrous web is guided through the drying device alternately in the vertical direction in and counter to the direction of and gravity, and vice versa. | 03-06-2014 |
20160130757 | METHOD FOR PRODUCING SHEET CONTAINING FINE FIBERS - The present invention was accomplished in order to provide a method for producing a sheet containing fine fibers, which enables production of a sheet containing fine fibers without producing wrinkles. The present invention provides a method for producing a sheet containing fine fibers comprising a coating step of coating a dispersion containing fine fibers having a fiber diameter of 1000 nm or smaller on a base material, and a drying step of drying the dispersion containing fine fibers coated on the base material to form a sheet containing fine fibers. | 05-12-2016 |
20170234617 | SYSTEM AND METHODS INVOLVING FABRICATING SHEET PRODUCTS | 08-17-2017 |