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| Number | Title | Issue Date |
| 7601244 | Press for paper machine with smoothing press, and paper production method 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 th... | 10/13/2009 |
| 7300552 | Method for maximizing water removal in a press nip 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 th... | 11/27/2007 |
| 7294236 | Arrangement for controlling the web in a press section of a paper or board machine An arrangement is disclosed for controlling the web in a press section of a paper of board machine wherein the press section includes a press nip and two fabrics arranged to travel through it. In addition, the press section includes a suction roll with a suction app... | 11/13/2007 |
| 7189309 | Water draining device Water draining device for a paper machine or the like, in particular for a felted press of such a paper machine, including a receiving tank extending at least essentially over the machine width. The receiving tank includes a first chamber that receives arriving wate... | 03/13/2007 |
| 7115188 | Process and apparatus for monitoring dewatering in a wet section of a paper machine Process and apparatus for monitoring dewatering in a wet end section of a web production machine. The process includes measuring water flowing into the wet end section, measuring water flowing out of the wet end section, measuring conductivity of the wet web enterin... | 10/03/2006 |
| 7051882 | Twin-wire belt press A twin-wire belt press is disclosed for dewatering a fiber suspension and forming a continuous web of the fiber suspension. The twin wire belt includes a plurality of upper and lower rolls, a perforated roll and endless upper and lower wire belts. Dewatering tables ... | 05/30/2006 |
| 7014734 | Shoe press belt Nip press belt of a wet press or a calender with elongated nip, in particular for a paper, cardboard or tissue machine, with a flexible elastomer layer that is impermeable to liquids and with a textile reinforcing layer, wherein the elastomer layer comprises soft ru... | 03/21/2006 |
| 7005042 | Nip press belt Nip press belt (9) of a wet press (1) or a calender with elongated nip, in particular for a paper, cardboard or tissue machine, with a flexible carrier layer (9a) that is impermeable to liquids and is made of soft rubber having a hardness... | 02/28/2006 |
| 6998022 | Paper machine and press section thereof A soft crepe paper machine comprises a wet section with a press section having a press defined by first and second press elements forming a press nip through which a press felt runs with a paper web. A suction roll is arranged in the loop of the press felt before th... | 02/14/2006 |
| 6994771 | Method and apparatus for handling a paper or board web A method for treating a web of paper or board with a wetting substance or calendering the web prior to the cylinder dryer section of a paper- or boardmaking machine while the solids content of the web is still very low, typically in the range of 10–60%, wherein th... | 02/07/2006 |
| 6989077 | Wide nip calender arrangement and process for glazing a paper or cardboard web Wide nip calender arrangement and process for glazing a paper or cardboard web that includes a back pressure surface, a support shoe arrangement, and a circulating jacket loaded by the support shoe arrangement in a direction of the back pressure surface to form a wi... | 01/24/2006 |
| 6929716 | Method for the manufacture or treatment of a material web A method for the manufacture or treatment of a material web, in particular of a paper or a cardboard web, while using a respective machine, in particular a paper machine, including the step of measuring the hardness and/or the compactness of at least one clothing, i... | 08/16/2005 |
| 6926806 | Simple press section in a paper or board machine A web (W) passes through a press section having two separate press nips (N1, N2). At least the first press nip (N1) has two water-receiving press felts (31, 41). After the first nip (N1), the web (W) is separated fr... | 08/09/2005 |
| 6863776 | Press section Press section and process for dewatering a fibrous material web that includes a plurality of rolls arranged to form at least three nips and at least one endlessly circulating dewatering belt associated with each nip. Each at least one endlessly circulating dewaterin... | 03/08/2005 |
| 6799382 | Method and apparatus for heating nonwoven webs A process for drying/heat-treating nonwoven webs in which the web is partially dried under tension in a first drying zone and further heat treated under low tension or in a substantially tensionless state a second drying zone. The process significantly reduces the o... | 10/05/2004 |
| 6749724 | Method and arrangement in doctoring in a paper or board machine A method and arrangement in doctoring in a paper or board machine is disclosed in which the web travels through at least one press nip, in which the press nip is formed by at least a press roll and its backing roll and in which at least one roll is doctored using at... | 06/15/2004 |
| 6730192 | Method and machine for manufacturing printing paper or paperboard Printing paper or paperboard of 30-200 g/m2 grammage is made in a machine with a wet section, press section and drying section. The web passes through a roll press with a double-felted roll-press nip, then in a shoe press with an extended single or double... | 05/04/2004 |
| 6666954 | Pressing arrangement Pressing arrangement having two press rolls forming at least one press nip for dewatering a web, and two dewatering belts arranged to be guided through the at least one press nip with the web. The dewatering belts positioned on opposite sides of the web t... | 12/23/2003 |
| 6656325 | Machine for manufacturing paper or board A paper or board machine having a double-felted first press nip and a double-clothed second press nip. According to the invention the first press nip has a suction roll with suction zone, the downstream end of which is situated downstream of the press nip... | 12/02/2003 |
| 6589393 | Press arrangement and press roll for such a press arrangement A press arrangement for treating a fibrous web, especially a paper or board web, comprises at least two press rolls to form at least one press nip. At least one press roll is mounted on at least one roll end by means of a floating bearing, whose bearing r... | 07/08/2003 |
| 6589390 | Press section and process for guiding a fiber material web through the press section Press section of a machine for producing a fiber material, web and process for guiding a fiber material web through the press section. The press section includes at least two double-felted presses arranged in series in a travel direction of the fiber mate... | 07/08/2003 |
| 6540873 | Board machine and method of manufacturing a multilayer cardboard web A board machine and method for making a multilayer cardboard web, in which a first layer of the web having a printable surface is formed in a first forming unit and carried on an extended forming wire thereof through a couching unit where the first layer ... | 04/01/2003 |
| 6540880 | Apparatus and process for making structured paper and structured paper produced thereby An apparatus and process for imprinting a web. A yankee drum and pressure roll are juxtaposed to form a nip. An imprinting member, such as through air drying belt or other patterning belt is interposed in the nip. A felt is also interposed in the nip, con... | 04/01/2003 |
| 6527916 | Pressing section for a paper machine Pressing section of paper machine including first and a second pressing stations, a common lower felt arranged to run through first and the second pressing stations, and an first upper felt and a second upper felt arranged to run through first and second ... | 03/04/2003 |
| 6521093 | Press arrangement Press arrangement for processing a fibrous material web that includes at least first and second presses arranged to form at least first and second press nips. The at least first and second presses are consecutively arranged without intervening presses, an... | 02/18/2003 |
| 6485612 | Air press assembly for use in a paper-making machine A press assembly for use in a paper-making machine includes a roll, a first air press backing assembly and a second air press backing assembly. The first air press backing assembly and the second air press backing assembly each include an inner wall, an o... | 11/26/2002 |
| 6461478 | Method and device for treating a fibrous material web Disclosed is method and a pressing device (10) of a paper and/or paperboard machine intended for the treatment of a fibrous web (12) which is formed on a band screen and passes around an appropriate open roller (16) having recessed intended to receive the... | 10/08/2002 |
| 6425980 | Press device and process for treating a material web Press device and process for treating a material web. The press device includes a first shoe press and a second shoe press. The first and the second shoe press are successively arranged in a web run direction. A transfer suction roll is positioned between... | 07/30/2002 |
| 6398909 | Method and apparatus for imprinting, drying, and reeling a fibrous web An apparatus for imprinting, drying, and reeling a fibrous web comprises a hot press including a pair of press members forming a nip therebetween for passage of the web therethrough and at least one clothing arranged to pass through the nip of the press w... | 06/04/2002 |
| 6375800 | Press section and process Press section of a machine and process for producing a fiber web. The press section includes at least two press nips arranged in succession in a web travel direction. Each of the at least two press nips is formed by two press rolls. At least one continuou... | 04/23/2002 |
| 6334932 | Press arrangement and process A press arrangement and process for treatment of a fibrous material web. The press arrangement includes a press shoe unit, a press suction roll, at least one first press nip elongated in a web travel direction, the first press nip being formed between the... | 01/01/2002 |
| 6294052 | Efficient press section for paper manufacturing Embodiments of a new press section for paper manufacturing are disclosed, each having a combination of rolls which form at least two press nips, with one roll of each combination being common to two press nips. Also, said embodiments further include two c... | 09/25/2001 |
| 6261416 | Device and method for draining a web Device and method for draining a web in a paper production machine. The device may include a press section having at least one press nip for draining and smoothing the web. The at least one press nip may be arranged to smooth one surface of the web more t... | 07/17/2001 |
| 6228222 | Press arrangement and method thereof A method for the treatment of a material web and a press arrangement with a plurality of press gaps. A roll has a flexible press jacket supported from an inside, and forms a respective press gap with each of at least two further driven rolls. The drive po... | 05/08/2001 |
| 6214168 | Method and device in a paper machine for transfer of the web from the former section to the press section A method in a paper machine for transferring a paper web from a wet wire in a former section to a pick-up fabric or an equivalent transfer fabric of a press section, including the steps of forming a pick-up point on the wet wire and separating an edge str... | 04/10/2001 |
| 6210530 | Press section and method for pressing with different shoe press lengths Press section of a machine for producing a fibrous web and process for pressing a fibrous web. The press section may include at least two shoe press units including at least one press shoe and a revolving flexible press belt, a counterpart face, at least ... | 04/03/2001 |
| 6200427 | Suction roll for the formation or treatment of a material web, such as in particular a paper, card or textile web Suction roll for the formation or treatment of a material web that includes an outer suction roll jacket comprising a perforated rotating hollow cylinder, a non-perforated support body arranged to extend through the outer suction roll jacket and to suppor... | 03/13/2001 |
| 6200424 | Method and arrangement for calendering a board web An arrangement and method for calendering a board web including a calender providing a hot and hard calendering nip formed by two calender rolls and through which the board web passes. At least one of the calender rolls is arranged to be heated to such a ... | 03/13/2001 |
| 6197156 | Press section of a paper machine, in particular for printing paper qualities A press section of a paper machine, in particular for printing paper qualities whose grammage is in the range of about 40 g/m2 to about 80 g/m2 is disclosed. The press section comprises a pick-up roll having a suction zone on which a... | 03/06/2001 |
| 6183601 | Method of calendering a sheet material web carried by a fabric A method for calendering the sheet material web includes carrying the sheet material web on one or more carrier fabrics through the calender nip formed by the first and second calender rolls and applying a load to the carrier fabric, and sheet material ca... | 02/06/2001 |
