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| Number | Title | Issue Date |
| 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 be designed to prevent an explosion. Conduits may be formed through the... | 03/06/2012 |
| 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 in a floating web. There is a primary discharge slot and a second disch... | 11/22/2011 |
| 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 flex-hood half wherein the supply for that half is capable of being ru... | 05/18/2010 |
| 7681327 | Vacuum belt conveyor of a web forming machine for transferring a threading tail A vacuum belt conveyor of a web forming machine for transferring a threading tail has at least two turning rolls (16, 17) and an air-permeable belt loop (20), arranged around the turning rolls (16, 17). The vacuum belt conveyor also has vacuum m... | 03/23/2010 |
| 7634860 | Steam box A steam box for applying steam to a moving web comprising a housing having a leading end and a trailing end positionable above and proximate to a moving web; a supply header within the housing, said supply header in communication with a steam source; at least first ... | 12/22/2009 |
| 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 be designed to prevent an explosion. Conduits may be formed through the... | 11/10/2009 |
| 7435315 | Arrangement for stabilizing a web The object of the invention is an arrangement for stabilizing a paper web (3) in a paper machine, which arrangement comprises at least three cylinders (4, 5, 6) which have been arranged so that a pocket space is formed between them, a blow box (7 | 10/14/2008 |
| 7422661 | Equipment for leading a web threading tail in a paper machine Equipment for leading a web threading tail in a paper machine has at least two sequential surfaces (11) in the direction of travel of the web threading tail (10), between which a nozzle (12) is arranged to form a directed air blast and thus to t... | 09/09/2008 |
| 7363725 | Device for drying paper webs, especially tissue paper webs The invention relates to a device for drying paper webs, especially tissue paper webs, with a dryer cylinder 1 and a dryer hood 2, 3 for blowing hot air onto the paper web. It is mainly characterised by the inlet air parts of the dryer hood 2, 3... | 04/29/2008 |
| 7326301 | Application device A device for direct or indirect application of liquid or viscous coating medium by way of an application system onto a material web, especially a paper or cardboard web, including a weakening device for weakening the boundary layer of air that is carried along by th... | 02/05/2008 |
| 7311805 | System for transferring an advancing web from a dryer across a draw to a reel section A system and method for transferring a continuously advancing paper web from a dryer to a reel section is provided. The system includes a first fabric defining a first moving conveyor. The first fabric may be a permeable fabric, which is positioned downstream from t... | 12/25/2007 |
| 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 fabric on a side opposite the fiber web. The fiber web is interposed b... | 11/13/2007 |
| 7264693 | Apparatus for leading a web threading tail over an empty space An apparatus for leading a web threading tail over an empty space formed between two surfaces, between which the apparatus (10) is arranged. The apparatus (10) includes a belt loop (28) permeable by air, which is supported by turnover rolls (... | 09/04/2007 |
| 7192507 | Machine for producing a fibrous material web Machine for producing a fibrous material web and process for guiding the web through the machine. The machine includes a wire section, a drying section, arranged downstream of the wire section with regard to a web travel direction, having at least one free web draw,... | 03/20/2007 |
| 7160418 | Wet crepe throughdry process for making absorbent sheet and novel fibrous products An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a heated cylinder; creping the web therefrom and throughdrying the web ... | 01/09/2007 |
| 7150111 | Method and equipment for producing driving power in a paper or board mill A paper or board mill includes a drying section, which includes at least one drying cylinder group and at least one impingement drying unit (PK). The method uses a turbine engine (10), the combustion gases (1) of which are conducted at least into the impingement dry... | 12/19/2006 |
| 7147754 | System for keeping calender rolls of a paper machine clean A system for maintaining calender rolls of a paper machine clean when producing high-gloss paper or coated paper, such as LWC or MWC. To prevent a coating agent, such as coating dye, from adhering onto and soiling a smooth surface of a calender roll, with an overhea... | 12/12/2006 |
| 7135091 | Arrangement for threading of web in a pulp machine The invention relates to an arrangement for threading a pulp web (W) from the press section (1) of a pulp machine to the dryer (2) of the pulp machine. The arrangement comprises a closing tail threading belt (3) or the like, which is arranged to... | 11/14/2006 |
| 7114268 | Drying section and a smoothing apparatus for such a drying section A drying section of a machine for the manufacture of a material web, in particular of a paper or of a board web, comprises a smoothing nip which is extended in the web running direction and is formed between two pressing areas lying opposite one another of which at ... | 10/03/2006 |
| 7089682 | Impingement system in the drying section of a paper machine or the like The invention relates to an air impingement system arranged outside the jacket of an air impingement roll in the drying section of a paper machine or the like for heating and drying a web travelling around the said air impingement roll. The air impingement system co... | 08/15/2006 |
| 7067039 | Method and equipment in connection with a paper machine or a paper web finishing apparatus A variable representing runnability of a paper web to be manufactured with a paper machine or processed with a finishing apparatus is measured and the speed difference between operational groups of the paper machine and/or the finishing apparatus is adjusted on the ... | 06/27/2006 |
| 7059066 | Method and apparatus for the production and treatment of a material web A method and an apparatus for the production and processing of a material web, specifically a paper or cardboard web are described, whereby the material web is first wound and subsequently unwound for a subsequent finishing process and whereby the material web after... | 06/13/2006 |
| 7056420 | Method in leading a web threading tail particularly in a paper machine The invention relates to a method in leading a web threading tail particularly in a paper machine. In the method a device is used, which is moved close to a fabric transporting the web threading tail and by means of which the web threading tail is detached from the ... | 06/06/2006 |
| 7036242 | Impingement drying unit and a dryer section An apparatus for a dryer section of a paper or board machine has a drying group (R) and an impingement drying unit (10) which is placed above and/or below a row (DSR) of drying cylinders (3). A drying fabric (1) supported paper or board web (... | 05/02/2006 |
| 7037375 | Application device A device for direct or indirect application of liquid or viscous coating medium by way of an application system onto a material web, especially a paper or cardboard web, including a weakening device for weakening the boundary layer of air that is carried along by th... | 05/02/2006 |
| 7001487 | Method and apparatus for transporting a sheet from a dryer to a reel A system and method for transferring a continuously advancing paper web from a dryer to a reel section is provided. The system includes a first fabric defining a first moving conveyor. The first fabric may be a permeable fabric, which is positioned downstream from t... | 02/21/2006 |
| 6972073 | Method for conveying and guiding a lead-in strip of a web in a paper machine The invention relates to a method for conveying and guiding a lead-in strip in a paper machine, in which method a lead-in strip is directed over a run of a conveyor in the paper machine and a longitudinal vacuum effect is produced across the run of the conveyor in t... | 12/06/2005 |
| 6952888 | Dryer vacuum box A dryer vacuum box suppresses occurrence of sticking at an exit portion of a dryer roll in a dryer part of a paper machine to prevent paper break in the dryer part of the paper machine upon high speed paper making. The dryer vacuum box is provided for applying a vac... | 10/11/2005 |
| 6942758 | Method and equipment for tail threading in the dryer section of a paper machine or a similar machine A method and equipment for tail threading in a paper machine in which tail threading is carried out in stages: the web is guided to the broke treatment at a selected dryer, a cut is formed in the web to separate a ... | 09/13/2005 |
| 6916404 | Method and apparatus for web threading in a drying section of a paper machine or similar A method and an apparatus for web threading in a drying section of a paper machine or the like. A leader (24) and a so called run-down strip are formed by cutting in the web coming to the drying cylinder in the drying section. An underpressure box (18)... | 07/12/2005 |
| 6916405 | Process and device for drying of a material web Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area having a jacket surface of a cylinder having a diameter of between about 4-10 meters, setting the material web, having a dry content of between... | 07/12/2005 |
| 6910282 | Method and apparatus in the drying section of a paper machine or the like A web (16) running from an opening nip (K1) between a cylinder (10) and a supporting fabric (18) toward a roll (14), is supported by a negative pressure created by a blow box (30). In an intensified negative pressure region ... | 06/28/2005 |
| 6904700 | Apparatus for drying a tissue web A through-air drying apparatus is disclosed. The through-air drying apparatus includes a rotating drying cylinder over which a tissue web is carried and dried. A hood surrounds the drying cylinder leaving an open free end. In accordance with the present invention, a... | 06/14/2005 |
| 6896770 | Arrangement within a yankee cylinder or the like and a roller of a paper machine A Yankee cylinder or the like at the dry end of a paper machine has at least a drying cylinder, a hood covering the drying cylinder, a web guiding means, and a roller. After the drying cylinder at the dry end of the machine, seen in the machine direction, a covered ... | 05/24/2005 |
| 6823606 | Dryer section A dryer section for drying a moving material web, specifically a paper or cardboard web, including several dryer groups that are located successively in the direction of web travel, whereby at least one of these is a double row configuration and whereby the material... | 11/30/2004 |
| 6793773 | Method and system in a paper machine or the like passing a web from the press section to the drying section A paper web (w) is passed from the press section (10) to the drying section in a paper machine. The drying section has at least one transfer suction roll (16) for passing the web in a closed draw from the transport belt (12) of the press section... | 09/21/2004 |
| 6773551 | Device for determining the characteristics of a running material web Method and apparatus for determining characteristics of a running material web, the apparatus including at least one measuring device. The at least one measuring device is movable and has at least two degrees of freedom of movement. Each of the at least two degrees ... | 08/10/2004 |
| 6733634 | Apparatus, system and method for transferring a running web An improved system, apparatus and method is disclosed for transferring a running web from a first carrier fabric to a second carrier fabric in the manufacture of webbed products, such as tissue, paper toweling, and the like. A multi-stage vacuum process applies a va... | 05/11/2004 |
| 6718654 | Device and method in connection with the manufacturing of paper or cardboard Device for a drying section useful in the manufacture of paper or paperboard as a fibrous web. The drying section includes a drying drum rotatable about a first axis of rotation and arranged such that the fibrous web runs in contact with a surface of the drying drum... | 04/13/2004 |
| 6705024 | Machine for producing a material web A machine for producing a material web is provided having at least one smooth roll at least partially wrapped by the material web. The machine includes an air blowing device arranged for ventilating the material web with at least one discharge stream, wherein the at... | 03/16/2004 |
