Abstract: A method of forming a structured web including the steps of providing a fiber slurry through a headbox to a nip formed by a structured fabric and a forming fabric and collecting fibers from the fiber slurry in at least one valley of the structured fabric.

Abstract: A paper machine dewatering system includes a first fabric, a second fabric, and an airflow device. The first fabric carries a fibrous web on a side thereof. The second fabric is in at least partial contact with the fibrous web, the fibrous web being between the first fabric and the second fabric. The airflow device moves air successively through the first fabric, the fibrous web, and the second fabric.

Abstract: A method of dewatering a fibrous web in a paper machine including the steps of carrying the fibrous web on a side of a first fabric; contacting the fibrous web with a side of a second fabric, the fibrous web being between the first fabric and the second fabric; and passing air successively through the first fabric, the fibrous web and the second fabric.

Abstract: Process for the manufacture of a fiber material web that includes passing the fiber material web to be dewatered through a press nip together with a carrier band; and subjecting the fiber material web to be dewatered to a pressing pressure of at least 3.3 MPa in the press nip for a time duration of at most 3 ms. 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: A throughflow cylinder made at least partly of fiber-reinforced plastic including glass fibers, aramide fibers, carbon fibers, and/or carbon-reinforced plastic (CRP). The matrix material of the fiber-reinforced plastic includes a material heat resistant at least up to 300° C. such as a resin. At least one fiber layer is provided such that the coefficient of thermal expansion ? of the fiber-reinforced plastic is lower than that of steel at approximately 300° C. and preferably lies in a region of 0??<9·10?6·1/Kelvin. The manufacture of the fiber-reinforced plastic, for example carbon fiber-reinforced plastic, is such that more than approximately 30%, in particular more than approximately 50% and preferably more than approximately 70% of the fibers are oriented at least substantially in the peripheral direction.

Abstract: Machine for the manufacture of fiber material web with shoe pressing unit and drying or tissue cylinder arranged to form at least one press nip. Water absorbent carrier band and water-impermeable pressing band being guided through the at least one press nip, and fiber material web is adapted to pass through the at least one press nip with the water absorbent carrier band and the water-impermeable pressing band. The at least one press nip has a length in web travel direction of less than or equal to approximately 60 mm. Pressure profile results over press nip length having maximum pressing pressure greater than or equal to approximately 3.3 MPa. 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: 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: A dewatering system in a paper machine includes a dewatering fabric and a press. The dewatering fabric includes a woven permeable fabric and a polymeric layer having openings therethrough, the polymeric layer is connected to the permeable fabric. The press applying pressure to a portion of the dewatering fabric.

Abstract: A belt press including a roll having an exterior surface and a permeable belt having a side in pressing contact over a portion of the exterior surface of the roll. The permeable belt having a tension of at least 30 KN/m applied thereto. The side of the permeable belt having an open area of at least approximately 25%, and a contact area of at least approximately 25%.

Abstract: 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 between and contacts each of the heated drying surface and the permeable fabric. The condensation region has: a) a temperature which is less than a temperature of the permeable fabric; and/or b) a pressure which is greater than an ambient pressure.

Abstract: An apparatus for the manufacture of a structured fiber web including an imprinting fabric, a first pressure field device, a second pressure field device and a drying cylinder. The fiber web is formed and carried on the imprinting fabric with an initial dry content of less than 35%. The first pressure field device applies a first pressure field to the imprinting fabric and the fiber web, thereby pressing the fiber web onto the imprinting fabric, thereby pre-imprinting the fiber web. The second pressure field device applies a second pressure field to the imprinting fabric in the fiber web, thereby again pressing the fiber web onto the imprinting fabric, drying the fiber web and fixing a three-dimensional surface structure in the fiber web. The drying cylinder has the fiber web delivered thereto by the imprinting fabric.

Abstract: Machine and process for the manufacture of a paper web, in particular, a tissue paper or hygienic paper web. At least one pressing gap or nip is formed between a shoe pressing unit and a Yankee drying cylinder, through which a water absorbent carrier band, a water-impermeable pressing band and the web are passed. The pressing gap length is greater than approximately 80 mm, with the maximum pressing pressure of less than or equal to approximately 2 MPa. 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: A method an apparatus for manufacturing a fiber web, in particular a web of tissue or hygiene material, provided with a three-dimensional surface structure, whereby the fiber web is pressed at a dry content of <25% onto an imprinting fabric by way of a first pressure field and is thereby pre-imprinted and is subsequently once more pressed onto an imprinting fabric by way of a further pressure field for further dewatering and drying in order to fix the three-dimensional surface structure and strength. Moreover, the dry content is achieved by a favorably priced apparatus instead of by a TAD drying apparatus.

Abstract: The present invention is directed to a machine and process for producing a tissue web. The machine includes a forming area including at least one rotating continuous dewatering wire with zonally varied wire permeability, and at least one shoe press. The process includes dewatering the tissue web with at least the at least one continuous dewatering wire with zonally varied wire permeability, and pressing the tissue web in the at least one shoe press.

Abstract: Press shoe of a shoe press unit and a machine including press shoe. The press shoe includes at least two lateral edge areas, which are structured and arranged to be positioned adjacent web edges, and a central area lying between the at least two lateral edge areas. At least in some sections of the at least two lateral edge areas are structured to have a lower bending stiffness than in the central area. 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: A method and machine for the manufacture of a fiber web, in particular of a tissue web or of a hygienic web, in which the fiber web is formed on a soft clothing with fine pores and the clothing is guided over a surface subject to suction and in which the fiber web is transferred from a soft clothing with fine pores directly onto a TAD wire of a TAD drying apparatus. An optimum quality of the respective final product is achieved with an energy effort which is as low as possible, in particular, the energy effort required with vacuum generation in the dewatering of the fiber web is reduced.

Abstract: Machine and process for the production of a tissue web that includes a drying cylinder and a press shoe arrangement. The press shoe arrangement and the drying cylinder are arranged to form a nip with lateral edge areas. A plurality of contact pressing elements are arranged to exert pressing pressures across the nip, a measuring device is structured and arranged to measure pressing pressures resulting in at least the lateral edge areas, and at least one of a control and regulating device is structured and arranged to locally adjust the pressing pressures in the lateral edge areas by adjusting pressing pressures exerted by contact pressing elements assigned to the lateral edge areas. 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: A machine for producing a tissue web is provided, including a former having a forming region which includes at least one circulating, continuous dewatering wire having zonally variable wire permeability. Furthermore, a process for producing the tissue web in a tissue machine is provided. The process includes forming the tissue web in a forming region of a former, wherein the forming region includes at least one circulating, continuous dewatering wire having zonally variable wire permeability.

Abstract: Process for the manufacture of a fiber material web that includes passing the fiber material web to be dewatered through a press nip together with a carrier band; and subjecting the fiber material web to be dewatered to a pressing pressure of at least 3.3 MPa in the press nip for a time duration of at most 3 ms. 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: A method and machine for the manufacture of a fiber web, in particular of a tissue web or of a hygienic web, in which the fiber web is formed on a soft clothing with fine pores and the clothing is guided over a surface subject to suction and in which the fiber web is transferred from a soft clothing with fine pores directly onto a TAD wire of a TAD drying apparatus. An optimum quality of the respective final product is achieved with an energy effort which is as low as possible, in particular, the energy effort required with vacuum generation in the dewatering of the fiber web is reduced.