Abstract: 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.

Abstract: System for drying a tissue or hygiene web. The system includes a permeable structured fabric carrying the web over a drying apparatus. A permeable dewatering fabric contacts the web and is guided over the drying apparatus. A mechanism is used to apply pressure to the permeable structured fabric, the web, and the permeable dewatering fabric at the drying apparatus. 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.

Abstract: 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%.

Abstract: This invention relates to a dewatering device for dewatering a material web (5), particularly a tissue web, in a paper machine where the dewatering device is placed after a forming unit (16) and before a thermal drying device (11). The dewatering device consists of a press roll (1) with a press belt (3) running round it. Here, the material web (5) is carried into the dewatering device either on a water-absorbing belt (4) or on a wire (10). The water-absorbing belt (4) is placed in the dewatering device between the material web (5) and the press belt (3). This invention also relates to a dewatering process performed with the dewatering device.

Abstract: According to the disclosure, a wet form cellulosic product forming process and a wet formed cellulosic product are disclosed. The process includes providing a slurry, forming the slurry into a cellulosic product, dewatering the cellulosic product, and drying the cellulosic product. Further dewatering of the cellulosic product occurs through a non-mechanical mechanism.

Abstract: The specification discloses a method for making a paper material having a reduced tendency to cut human skin. The method includes providing a papermaking furnish containing cellulosic fibers and from about 0.5 to about 5.0 wt % by weight dry basis expandable microspheres, forming a paperboard web from the papermaking furnish, drying the web, and calendaring the web to a caliper of from about 11.0 to about 18.0 mils and a density ranging from about 7.0 to about 12.0 lb/3000 ft2/mil. Papers formed according to the method and articles formed therefrom are also disclosed.

Abstract: A press felt (1) has a front side (1a), a rear side (1b) and fibers (2, 2a, 2b, 2c, 2d, 2e, 2f, 2g) which, on their fiber surface, have channels (20) which extend between a first end (11) and a second end (12) of the respective fiber (2, 2a, 2b, 2c, 2d, 2e, 2f, 2g), the first end (11) pointing in the direction of the front side (1a) and the second end (12) pointing in the direction of the rear side (1b). Furthermore, the press felt (1) can be used for mechanically dewatering a paper web (100) in a papermaking machine.

Abstract: A method of making an environmentally-friendly tissue sheet for conversion into a single-ply roll product, such as bath tissue or paper towels, is disclosed. The method utilizes numerous process aspects that are determined to minimize energy consumption, which is about 100 grams CO2 equivalent emissions or less per 38 square feet of tissue, while at the same time producing a tissue roll product having desirable roll bulk, firmness and absorbency.

Abstract: The invention relates to a paper machine for producing paper that can be gravure printed from a fibrous stock suspension, and a related method. The paper machine includes a wire section, a pressing section, a drying section, and a winding section for winding the produced paper on a paper roll. Additionally, the paper machine includes a film press having a film roll for applying a coating color and a calender arranged downstream of the film press.

Abstract: 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.

Abstract: This invention relates to a method for the production of a three-dimensionally structured tissue paper web with which the tissue paper web is pressed, in order for it to be structured, on a three-dimensionally structured mesh and with which the tissue paper web is conveyed, unheld by a skin, in a drying step over a heated surface. The tissue paper web is conveyed, held only by the structured mesh, in another drying step prior to the drying step over at least one heated surface.

Abstract: A process and apparatus for treating a pulp web (9) in a paper or board machine in a pressing unit (29) with one press roll (24) that has a rotating press shell (25) and one opposing roll (23), where the pulp web (9) is dewatered in an extended press nip (26) between the opposing roll (23) and the pressing shell (25) of the press roll (24). The pulp web (9) is carried on the rotating pressing shell (25) of the press roll (24) to a transfer zone (30), where the pulp web (9) is passed from the pressing shell (25) onto a transfer element (31, 27) after leaving the extended press nip (26).

Abstract: 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.

Abstract: 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.

Abstract: The invention involves papers having either an internal starch or a size press applied starch and a boron-containing compound which is added in proportion to the starch and which is believed to interact with the starch to provide improved physical and mechanical properties in the paper. Method of forming the papers are also disclosed.

Abstract: A method of manufacturing a fibrous web in a papermaking machine including the steps of forming, carrying and transferring the fibrous web. The forming step includes forming the fibrous web in a forming device. A first carrying step includes carrying the fibrous web from the forming device through an extended nip press apparatus. A second carrying step includes carrying the fibrous web from the extended nip press apparatus to a transfer point. The transferring step includes transferring the fibrous web at the transfer point to a drying cylinder.

Abstract: A press apparatus (10) is disclosed for removing water from a web (W). The apparatus includes a rotatable roll (12) which defines a peripheral surface (14). An elongate shoe (16) has a curved surface (18) which cooperates with the peripheral surface (14) of the roll (12) for defining therebetween a nip (N) for the passage therethrough of the web (W). The arrangement is such that when the web (W) extends through the nip (N), water is pressed from the web (W). A blanket (20) is disposed between the curved surface (18) of the shoe (16) and the web (W) for supporting the web (W) during the passage of the web through the nip (N), the blanket (20) enclosing the shoe (16). Moreover, the blanket (20) has a diameter within a range 500 mm to 875 mm.

Abstract: An emboss pattern, tissue product and method of manufacturing tissue product having improved bulk and softness with minimal roll ridging. The pattern combines a plurality of aligned signature bosses with a grouping of signature bosses offset from the machine direction in a clockwise manner and another grouping of signature bosses being offset in a counter-clockwise manner.

Abstract: A papermaking machine for making uncreped through air dried paper having a forming section, a press section, and a drying section is disclosed. 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 follows 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 is then dried with a through air dryer.

Abstract: Disclosed is an uncoated facestock product having enhanced printability, holdout, and edge wick properties, which are attained through a combination of manufacturing techniques including increased refining of the furnish, sizing, increased hard nip calendering, and the use of extended nip calendering. The resulting uncoated facestock product has the following properties: a density between about 0.7 and 1.0 g/cc and/or an ash content of less than about 15% as measured by the 525° C. standard test method; and a finished surface having a Sheffield smoothness between about 50 and 150 Sheffield units and a Parker Print Surf roughness (PPS-10) less than about 5.0 microns.

Abstract: The present invention imparts fire-retardancy upon cellulosic products utilizing a cost-effective, non-toxic, and reliable process. Unlike previous methods which impart superficial fire-retardant coatings upon finished products, the present process treats the individual cellulosic particles (i.e. fibers, chips etc.) that make up cellulose-based particle products. Treating the individual particles provides fire-retardancy throughout the entire length and width of the product. This full-depth retardancy provides superior protection, especially in catastrophic fires where the surface coat of other products can be compromised.

Abstract: The present invention is a method for maximizing water removal from an absorbent web in a press nip. The present invention uses a pressing unit having a blanket with a void volume and with a pressure profile that maximizes water removal in the press section or on the Yankee dryer of a paper machine. The pressure profile of the pressing unit according to the present invention has a very steep pressure drop at and/or following the exit of a pressure distribution curve in order to maximize water removal by minimizing rewet of the web. The improved pressure profile according to the present invention results in increased water removal and/or improved line speed. The void volume further increases water removal and/or improves line speed.

Abstract: Dewatering system for dewatering a web. The system comprises a former, a belt press, and a structured fabric comprising a paper web facing side and being guided over a support surface and through the belt press. The structured fabric runs at a speed differential relative to a wire of the former. 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.

Abstract: The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microspheres, and has a relatively low density ranging from about 6 to about 10 lb/3 MSF/mil, a relatively high caliper ranging from about 24 to about 35 mil, and an internal bond strength of at least about 80×10?3 ft-lbf., preferably at least 100×10?3 lft-lbf. For applications such as cups the material is also coated on one or both sides with a barrier coating, preferably low density polyethylene, to limit liquid penetration into the web. The low density paperboard material of the invention is convertible for manufacture of containers, particularly cups, and exhibits insulative properties comparable to higher cost materials conventionally used to make cups.

Abstract: The invention relates to a device (12) which is used to press a pressure shoe (10) against a counter surface, comprising at least one at least partially flexible pressure body (16) which is supported on the bearing body (14), said pressure body comprising at least one cavity (18) which can be impinged upon by pressure fluid in order to produce a predetermined pressing force over a corresponding pressure body volume.

Abstract: 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.

Abstract: A device for producing a fibrous web and, in particular, a web of tissue including a press zone through which the fibrous web together with an endless permeable structured band and an unstructured permeable supporting band is fed while lying between the structure band and the supporting band, a press nip provided on a drying cylinder through which the fibrous web together with the structured band is fed while lying between the structured band and the drying cylinder, and after which the fibrous web is led from the drying cylinder through a calender.

Abstract: A method for the manufacture of a structured fiber web including the steps of pressing a fiber web onto an imprinting fabric by way of a first pressure field, thereby pre-imprinting the fiber web, the fiber web having a dry content of less than approximately 35%, and subsequently pressing the fiber web onto the imprinting fabric by way of a further pressure field.

Abstract: The present invention shows a process and device of calendering a web. The process includes drying the web and winding the web at the end of a production section. The process includes transporting the wound web to at least one off-line calender, unwinding the web and passing the web through the at least one off-line calender. Further, the process includes treating the web between drying and winding of the web in at least one on-line calendering unit. Further still, the process includes at least one on-line calendering unit includes at least one nip defined by at least one hard roller. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: The invention comprises a method and an arrangement in a paper machine or the like close to a moving web (29) usually supported against a wire (1), and a paper machine including such an arrangement, and a sealing device having several such arrangements (100). According to the invention, a movable sealing (5) is arranged in the drying section of a paper machine, between two regions (3, 4) with different pressures. Certain air amounts (V1, V2) are supplied to and/or discharged from each side of the sealing (5) in order to create certain pressures in said regions. Air can move between said regions only through certain paths. In normal operating situations the seal (5) according to the invention is automatically adjusted to the desired position in relation to the web.

Abstract: 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.

Abstract: A shoe press apparatus of a paper machine for pressing wet paper through a nip includes a counter roll, and a shoe module disposed adjacent to the counter roll. The shoe module includes a cylindrical blanket, and a press mechanism disposed inside the cylindrical blanket, extending in a width direction of the cylindrical blanket and individually pressing a plurality of pressed portions formed on the cylindrical blanket along a traveling direction of the wet paper, toward an outer-surface of the counter roll so that the wet paper is pressed in the nip between the cylindrical blanket and the counter roll so that a pressure can be applied efficiently in response to a density required for paper solely by the shoe press apparatus.

Abstract: An uncoated paperboard for packages composed of one or more layers with a top layer of bleached kraft pulp having a gloss value of 15-50% measured according to Tappi T480, a minimal gloss variation (a coefficient of variation in the wavelength regions 3-30 mm of less than 5%), and a surface roughness (PPS-10) of 2-5 ?mm measured according to ISO 8791-4, wherein the paperboard has a density in the range of 700 to 850 kg/m3 and is hydrophobic from a sizing agent treatment of each layer, is described. A package comprising the paperboard is suitable for co-sterilization of the package and its contents.

Abstract: A method for changing the distribution of the loading pressure prevailing in the press nip of a shoe press, which shoe press includes a number of adjacent loading elements (K) acting on the press shoe (70), the first end of the elements being supported on the supporting beam (12) of the shoe press and the other end on the press shoe (70). The loading elements (K) are moved in the machine direction (MD) in the space between the press shoe (70) and the supporting beam (12) by acting on the loading element (K) at least at the end adjacent to the press shoe in such manner that the end adjacent to the press shoe is moved in the machine direction (MD) in relation to the press shoe (70), and that the end of the loading element adjacent to the supporting beam (12) can be caused to freely assume a position in relation to the supporting beam (12), preferably at least during the transfer.

Abstract: The present invention relates to a smoothing press for a paper machine and a press for a paper machine with a smoothing press as well as a paper production method. At a final stage of a press section (2) of a paper machine, wet web (1) with one face thereof retained by elastic members (13, 14) is pressed by the nip section of a pair of press rolls (12a, 12b) having a surface formed from a rigid material.

Abstract: 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.

Abstract: An apparatus and process for removing water from a cellulosic web. The papermaking apparatus comprises imprinting member having an absolute void volume that enables a hydraulic connection to be formed between a cellulosic web and a capillary dewatering member when compressed in a nip. The absolute void volume is predetermined based on an estimate of the volume of water expressed from the cellulosic web.

Abstract: A dewatering fabric for an ATMOS system or a TAD machine that includes a caliper of between approximately 0.1 mm and approximately 15 mm, a permeability value of between approximately 1 cfm and approximately 500 cfm, an overall density of between approximately 0.2 g/cm3 and approximately 1.10 g/cm3, and a weight of between approximately 100 g/m2 and approximately 3000 g/m2. A belt press for a paper machine can utilize the dewatering fabric. 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.

Abstract: 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 has a paper web facing side and is guided over a support surface. The permeable belt can have a tension of between approximately 20 kN/m and approximately 100 KN/m, a permeability value of between approximately 100 cfm and approximately 1200 cfm, a surface contact area of the paper web side that being between approximately 0.5% and approximately 90% when not under tension, and an open area of between approximately 1.0% and approximately 85%. 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.

Abstract: A support body for an apparatus having an extended nip defined between a contact surface of an elastically deformable support body and an opposed surface, the support body comprising a pressure chamber or several pressure chambers arranged to be pressurized for loading the nip via the contact surface. The support body can be provided with a holding device that forms a counter support for the pressure chamber or pressure chambers except at the side facing the contact surface. A method of forming the extended nip in the apparatus entails applying a pressure in at least one pressure chamber of the support body and expanding elastically deformable side portions of the support body. A further method of controlling the load in the extended nip entails designing the support body with several pressure chambers and setting the pressures in the pressure chambers in accordance with a predetermined pattern.

Abstract: A method for controlling a calendering system having a first roll having a first roll speed controller and a second roll having a second roll speed controller is disclosed. An exemplary method comprises the steps of: (a) setting the first roll at a desired process speed with the first roll speed controller; (b) determining a target torque of the first roll; (c) contactingly engaging the first and second rolls; (d) determining an actual torque of the first roll; (e) comparing the target torque and the actual torque; and, (f) adjusting a speed of the second roll with the second roll speed controller to maintain the target torque of the first roll according to the comparison of the target torque and the actual torque.

Abstract: An apparatus for producing an embossed product including a first embossing member having a plurality of discrete embossing elements disposed in a first non-random pattern having at least one first single pattern unit. The total area of the distal ends of the discrete embossing elements in the first single pattern unit is less than about 5.0 cm2. The apparatus also includes a second embossing member having a plurality of linear embossing elements disposed in a second non-random pattern having at least one second single pattern unit. The total area of the second distal ends in the second single pattern unit is less than about 10 cm2. The second non-random pattern is coordinated with the first non-random pattern such that when engaged with each other the first single pattern unit and the second single pattern unit make up an embossing pattern single pattern unit.

Abstract: A forming fabric for an ATMOS system or a TAD machine. The forming fabric includes a permeability value of between approximately 100 cfm and approximately 1200 cfm, a paper surface contact area of between approximately 0.5% and approximately 90% when not under pressure and tension, and an open area of between approximately 1.0% and approximately 90%. A belt press for a paper machine can utilize the forming fabric. 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.

Abstract: A method of producing a coated paper having reduced gloss mottle and excellent smoothness includes the steps of calendering a base stock at a relatively high pressure in a first calendering step, coating at least one side of the calendered base stock and calendering the coated base stock at a relatively low pressure in a second calendering step.

Abstract: Spirally wound paper products are disclosed having desirable roll firmness characteristics and softness properties. The rolled products can be made from a single ply tissue web formed according to various processes. Once formed, the tissue web is subjected to a shear-calendering device that increases the fuzz-on-edge properties of the web and preserves the bulk of the web when wound.

Abstract: Spirally wound paper products are disclosed having desirable roll firmness characteristics and softness properties. The rolled products can be made from a single ply tissue web formed according to various processes. Once formed, the tissue web is subjected to a shear-calendering device that increases the fuzz-on-edge properties of the web and preserves the bulk of the web when wound.

Abstract: System for drying a tissue or hygiene web. The system includes a permeable structured fabric carrying the web over a drying apparatus. A permeable dewatering fabric contacts the web and is guided over the drying apparatus. A mechanism is used to apply pressure to the permeable structured fabric, the web, and the permeable dewatering fabric at the drying apparatus. 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.

Abstract: 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.

Abstract: Spirally wound single-ply web products having a chemical additive applied to at least one surface exhibit desirable roll bulk characteristics and softness properties. The rolled products can be made from a single-ply tissue web formed according to various processes. Once formed, the web is subjected to a shear-calendering device that increases the Fuzz-On-Edge properties of the web and preserves the bulk of the web when wound. The shear-calendered web then has a chemical additive applied to at least one surface by a non-compressive application method helping to maintain the Fuzz-On-Edge properties of the web.

Abstract: A method of dewatering a fabric includes contacting the fabric with an endless wicking substrate.