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| Number | Title | Issue Date |
| 7357847 | Device for drying a paper web A device for drying a paper web includes a structured fabric for carrying the paper web rests during the drying process. A single roll unit includes a suction roll for dewatering the paper web and a press roll for securing the paper web to the structured fabric. The... | 04/15/2008 |
| 7314141 | Folding belt filter A belt filter for effecting separation of liquid from solids where, at the collection zone, a filter belt or belts is changed shape so as to provide a supporting shape to bold liquid, which is then fed into a nipping zone. In an embodiment there is a single belt use... | 01/01/2008 |
| 7294235 | Supercalendering optimization using a steam shower There is described a method and apparatus for applying steam from a steam source to a moving web to thereby improve the smoothness and gloss of the web. A housing has at least one cooling chamber upstream and at least one steam chamber downstream. The cooling air in... | 11/13/2007 |
| 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 |
| 7291249 | Apparatus for the manufacture of a structured fiber web 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 o... | 11/06/2007 |
| 7241364 | Papermaking machine for forming tissue employing an air press A web of tissue is formed in a twin wire former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics moves over ... | 07/10/2007 |
| 7070406 | Apparatus for embossing a flexible substrate with a pattern carried by an optically transparent compliant media An apparatus for embossing a flexible substrate with an optically transparent compliant media is disclosed. The complaint media includes an optically transparent imprint stamp with an imprint pattern therein. The flexible substrate is coated with a photopolymer mate... | 07/04/2006 |
| 7070678 | Paper webs having a watermark pattern A process for producing paper webs having a pattern formed into the web is disclosed. The pattern is formed during formation of the web and is made by varying the basis weight of the web. The paper web is produced by depositing an aqueous suspension of fibers betwee... | 07/04/2006 |
| 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 |
| 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 |
| 6977028 | Method of drying a web A method of drying a paper web is provided. The method utilizes a dryer, such as a through-dryer, having a first dryer section and a second dryer section. Within the first dryer section, a relatively wet paper web is dried at an elevated temperature, such as between... | 12/20/2005 |
| 6869506 | Apparatus for dewatering a paper web and associated system and method An apparatus for decreasing heat emission and enhancing a vacuum system in a papermaking machine is provided. Such an apparatus includes a drying device having an inlet for receiving heated air for removing moisture from a paper web and an outlet for exhausting the ... | 03/22/2005 |
| 6863777 | Papermaking machine for forming tissue employing an air press A web of tissue is formed in a twin wire former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics move over v... | 03/08/2005 |
| 6855227 | Paper machine and method of dewatering a fiber web using displacement pressing and through air drying A method of dewatering a fiber web in a paper machine, includes the steps of: dewatering the fiber web in a forming section to a solids content of greater than approximately 10%; displacement pressing the fiber web in an air press assembly to a solids content of gre... | 02/15/2005 |
| 6821391 | Former and process for producing a tissue web A former for producing a tissue web and a process of making a tissue web using the former. The former includes a forming element, an inner dewatering belt, and an outer dewatering belt. The inner and outer belts converge to form a stock inlet nip. The inner and oute... | 11/23/2004 |
| 6613194 | Papermaking machine for forming tissue employing an air press A web of tissue is formed in a twin wire former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics ... | 09/02/2003 |
| 6551461 | Process for making throughdried tissue using exhaust gas recovery The energy efficiency of a throughdrying papermaking process is improved by recycling exhaust air from one or more throughdryers to further heat the web at various places in the process.... | 04/22/2003 |
| 6458246 | Papermaking machine for forming tissue employing an air press A web of tissue is formed in a crescent former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics m... | 10/01/2002 |
| 6454904 | Method for making tissue sheets on a modified conventional crescent-former tissue machine A tissue sheet is made using a modified wet pressing process employing an integrally sealed air press. After initial formation and conventional vacuum dewatering, the wet web may be conformed to the surface contour of a relatively coarse fabric to give th... | 09/24/2002 |
| 6440273 | Compact multilevel paper making machine for manufacturing a web of paper A compact multilevel paper making machine is provided comprising a web-receiving region where a web of paper is received on a fabric forming a continuous loop, a reel-up for winding the paper web onto a roll, and a web transfer point disposed between the ... | 08/27/2002 |
| 6398916 | Simplified through-air drying paper making machine having a twin wire forming section A through-air drying paper making apparatus is provided comprising a twin-fabric forming section, a water-removing section arranged downstream of the forming section, and a web transfer device disposed between the forming section and the water-removing se... | 06/04/2002 |
| 6372090 | Method and apparatus for handling paper or cardboard webs A method and apparatus for producing paper or board, according to which the paper or board web is transferred continuously supported through a drying section of a paper or cardboard machine and both sides of the web are treated with a treating agent on a ... | 04/16/2002 |
| 6365004 | Method and apparatus for drying a paper web A method and apparatus effect drying of a paper web using a plurality of heated drying cylinders and at least one air impingement module having a hood. The paper web is brought into operative contact with the heated drying cylinders, and at least one of t... | 04/02/2002 |
| 6306258 | Air press A pressurized box is positioned opposite a vacuum box. The pressurized box has a leading cross machine direction baffle with a ceramic shoe which engages a forming fabric, and a trailing cross machine direction baffle of similar construction. Two end deck... | 10/23/2001 |
| 6303003 | Method and apparatus for drying a moist web A method and an apparatus for continuously drawing superheated vapor through a moist web as the same is being formed and pressed at a porous peripheral surface of a rotatable hollow cylinder, thereby allowing to have web drying in a compact apparatus perm... | 10/16/2001 |
| 6294050 | Drying end of a machine for the production of a material web and method of drying a material web Drying end of a machine for the production of a material web such as paper or cardboard. The drying end includes at least one impact flow drier configured to bombard at least one surface of the material web with hot air or hot steam impact flow. Also prov... | 09/25/2001 |
| 6264795 | Supercalendar steam shower Apparatus and method for applying steam from a steam source to a moving web are provided. The preferred apparatus for carrying out the method comprises a housing having a leading edge and a trailing edge positionable adjacent the moving web. A main supply... | 07/24/2001 |
| 6254731 | Steam box including a suction zone in an area of a web adjacent to edge cutter devices A steam box including a steam chamber for blowing steam toward a paper or board web that runs on support of a wire and a suction zone arranged at the trailing side of the steam chamber of the steam box for providing suction of steam mist discharged by the... | 07/03/2001 |
| 6231723 | Papermaking machine for forming tissue employing an air press A web of tissue is formed in a crescent former, followed by an air press for water removal in the pressing section, passing onto a Yankee dryer. A headbox injects stock between upper and lower dryer fabrics brought together on a breast roll. The fabrics m... | 05/15/2001 |
| 6200425 | Arrangement in tissue machine In a tissue machine, a roll is arranged to press a paper web against a Yankee cylinder. A steam box is arranged in connection with the roll. A steaming area of the steam box is arranged against the paper web substantially above the horizontal center line ... | 03/13/2001 |
| 6190505 | Apparatus and method for moistening a material web An apparatus for moistening a material web, the material web having opposed edges and a marginal region at each edge, the apparatus including a moistening device adapted to cover the marginal regions of the material web, so that only the marginal regions ... | 02/20/2001 |
| 6143135 | Air press for dewatering a wet web An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering. The air press has an air plenum and a vacuum collection device, each on opposite sides o... | 11/07/2000 |
| 6093284 | Air press for dewatering a wet web with pivotable arm seal An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering.... | 07/25/2000 |
| 6080279 | Air press for dewatering a wet web An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering. Side seal members are positioned beyond the lateral edges of the wet web and support fab... | 06/27/2000 |
| 6004430 | Method and device for enhancing the run of a paper web in a paper machine A method and device for enhancing the run of a web in a paper machine in which water is removed from the web by pressing the web in at least one press nip and after pressing, the web is dried in at least one dryer group applying impingement drying. The we... | 12/21/1999 |
| 5900120 | Drying cylinder bearing support in a paper-making machine A paper making machine for the production of a fiber material web includes a drying cylinder, first and second bearing assemblies, a fixed rigid support, a fixed structure and a flexible device. The drying cylinder has two longitudinal ends, a longitudina... | 05/04/1999 |
| 5882481 | Blocking device in a paper-making machine A machine for the production of a continuous web, particularly of paper or cardboard, may include a plurality of rolls around which a continuous web may be guided. The machine may also include a blocking device, arranged in a vicinity of an edge of the co... | 03/16/1999 |
| 5865955 | Method and device for enhancing the run of a paper web in a paper machine A method and device for enhancing the run of a web in a paper machine in which water is removed from the web by pressing the web in at least one press nip and after pressing, the web is dried in at least one dryer group applying impingement drying. The we... | 02/02/1999 |
| 5798026 | Dry end steam applicator A steam applicator to apply steam to a web passing by the applicator. The applicator is a main supply header and a plurality of profiling steam chambers to receive steam from the main supply header. The pre-heat chambers adjacent the profiling steam chamb... | 08/25/1998 |
| 5730737 | Method for the manufacturing of an absorbent structure and an absorbent article comprising an absorbent structure manufactured according to this method A method for manufacturing of an absorbent structure in an absorbent article, such as a sanitary napkin, tampon, panty protector, incontinence guard, diaper, bed protector, wound or sore dressing, saliva absorbent and like articles is comprising the use o... | 03/24/1998 |
