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| Number | Title | Issue Date |
| 7914430 | Roll A roll is supported at the middle thereof, for a paper, board or finishing machine is composed of two sections, a so-called inner shell (54′) and an outer shell (52′), supported by one another in the middle area of the roll (50′). The nomi... | 03/29/2011 |
| 7527583 | Paper machine press roll with a ceramic coating A paper machine press roll comprises a core roll and a ceramics sprayed film formed on an outer periphery of the core roll, in which values of Rk and Vo which are characteristic evaluation parameters of a plateau-structure surface of the ceramics sprayed film are | 05/05/2009 |
| 7381489 | PEM fuel cell with high porosity hydrophilic water transport plates and temperature increase before shutdown in environment which may reach subfreezing temperatures A fuel cell stack (50) includes fuel cells (16, 18, 19) with anode and cathode water transport plates (23, 31, 34, 37) having porosity of at least 50%, thereby to significantly increase the amount of water stored within the water transport plate... | 06/03/2008 |
| 7351309 | Roll in a paper or board machine and a dryer group in a paper or board machine A roll in a paper or board machine has a roll frame or center shaft (15) with bearings mounted at its ends and a groove-like surface structure (10). There is a contact between the surface structure and the center shaft so that an essentially closed str... | 04/01/2008 |
| 7326322 | Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength An embossing system is provided for embossing a web having a first embossing roll having embossing elements and a second embossing roll having embossing elements, wherein at least a portion of the embossing elements of the first and second embossing rolls are substa... | 02/05/2008 |
| 7153392 | Oil siphon A shoe roll of a shoe press for use in a papermaking machine, the shoe roll including a blanket, or endless belt, which houses a shoe assembly that, in cooperation with an external backing roll, forms an extended nip proper. The shoe press includes an oil circulatio... | 12/26/2006 |
| 7097605 | Roller for the thermomechanical treatment of a web-shaped medium The present invention relates to a roller for the thermomechanical treatment of a web-shaped medium, the roller including: a roller body; axial bores for a thermal treatment fluid which are incorporated in roller body near to an outer surface of the roller body and ... | 08/29/2006 |
| 7094191 | Press roll A press roll is employed in the press section, calender section, etc., of a papermaking machine. The press roll includes a first tapered surface (11a) and a first clamping surface (12a). The first tapered surface (11a) is fo... | 08/22/2006 |
| 7022056 | Roll in a paper or board machine A method for fitting a tubular roll shell (2) of a roll (1) in a paper or board machine. In the method, the roll shell (2) is supported on a stationary roll shaft (3) by means of hydrostatic slide bearing elements (4a, 4 | 04/04/2006 |
| 7018512 | Roll, in particular, calender roll A paper processing roll for use in a calender of a paper-making machine which during operation can be exposed to increased temperatures is provided with a heat-treated surface which is produced by hot-grinding or hot-balancing or both. ... | 03/28/2006 |
| 6935993 | Roll The invention relates to a roll, including a roll tube that is supported exclusively, at least in radial direction, in an axially central area on a continuous roll support, whereby outside of the central area the roll tube is positioned at a distance A from the roll... | 08/30/2005 |
| 6911117 | Method and equipment for attenuation of oscillation in a paper machine or in a paper finishing device A method and apparatus for damping vibration in a paper machine. The apparatus having a dynamic damper which includes a weight suspended by a spring. The spring constant of the spring is changed by means of a control device in order to tune the natural frequency of ... | 06/28/2005 |
| 6884323 | Vented main roll for press assembly in a paper machine A roll for use in a paper machine includes a roll shell having an inner periphery. A roll cover is positioned around the roll shell and has an outer surface. The roll cover and/or the roll shell include at least one main flow channel positioned radially inward from ... | 04/26/2005 |
| 6843762 | Spreader roll A spreader roll that is useful to spread a slit web into a plurality of split webs for rewinding or at numerous other critical processes positions on web machines and related finishing and converting equipment. The spreader roll includes a bowable shaft and a plural... | 01/18/2005 |
| 6835285 | Method for setting the shoe position in an extended-nip press and extended-nip press A method for setting a position of a shoe in an extended-nip press having a press roll and a backing roll, said press roll including a rotating endless-loop blanket of a flexible, liquid-impervious material, a rigid stationary roll support beam extending through an ... | 12/28/2004 |
| 6796929 | Self-adjusting deflection controlled roll A self-adjusting deflection controlled roll comprises a rotating roll jacket, a carrier passing axially through the roll jacket and held rotationally fixedly at its end in racks and at least one supporting member arranged at the carrier and exerting a support force ... | 09/28/2004 |
| 6758995 | Production method for paper feed roller A paper feed roller-producing method is to be provided, which enables more inexpensive mass produce of a high precision paper feed roller, with a high precision, having no connecting portion in a roller portion, by using a hydraulic composition. The method fo... | 07/06/2004 |
| 6723032 | Segmented roll A segmented roll has a plurality of end-to-end mounted roll segments (10, 10′), each adapted to rotate on bearings supported on a separate support shaft (11). In both axial end surfaces of the support shafts (11) of the roll segments (10 | 04/20/2004 |
| 6702928 | Press roll The invention relates to a press roll (1) comprising a flexible rotating endless-loop blanket (3) of a liquid-impervious material, two disc-shaped roll heads (4, 5), and a clamp element (14) filled with a pressurized medium for clamping the lateral rims (... | 03/09/2004 |
| 6699164 | Method for providing a roll for a paper machine with sliding bearings and a roll for a paper machine with sliding bearings The invention relates to a method for providing a roll (1) for a paper machine with sliding bearings, the roll comprising a stationary roll axle (3) and a tubular roll mantle (2) arranged to revolve around it. In the method, the roll mantle (2) is support... | 03/02/2004 |
| 6692421 | End packing for a deflection compensated roll The present invention relates to an end packing (20, 40, 60, 70, 80) for a deflection compensated roll. The roll including a stationary shaft (1) and a roll shell (2), bearing-mounted rotatably therearound and having each end thereof provided with a shaft... | 02/17/2004 |
| 6685610 | Deflection compensated roll for paper/board or finishing machine A deflection compensated roll for a paper/board or finishing machine includes a stationary roll shaft (1), and a roll shell (2) structured and arranged to be rotatable around the same and mounted with slide bearing elements (3-6) upon the roll shaft (2). ... | 02/03/2004 |
| 6679819 | Slide shoe assembly for a roll in a paper/board machine of a finishing machine The invention relates to a slide shoe assembly for a roll (1) in a paper/board machine or a finishing machine, said roll (1) comprising a stationary axle (4), around which is rotatably mounted a cylindrical roll shell (2), a clearance (5) formed between t... | 01/20/2004 |
| 6663549 | Deflection controlled roll with force generating device Deflection controlled roll that includes a rotatable roll jacket, a rotationally fixed carrier arranged within the roll jacket, and a hydraulic support element arrangement positioned between the carrier and the roll jacket. A closed bearing ring is locate... | 12/16/2003 |
| 6662630 | Method for measuring slide bearing pressure in a deflection-compensated roll with a fixed shell A deflection compensated roll has a stationary support structure and a shell rotatably arranged around it by means of slide bearings. The shell is additionally supported on the support structure with hydraulic loading devices by which the axial profile of... | 12/16/2003 |
| 6659926 | Deflection controlled roll Deflection controlled roll that includes a rotating roll jacket, a rotationally fixed yoke arranged to axially pass through the roll jacket, and a plurality of hydrostatic support elements arranged on the yoke in a direction of a roll axis which are charg... | 12/09/2003 |
| 6644653 | Damping corrugator roll A damping corrugator roll comprises an outer toothed surface, whose teeth extend over a certain axial length of the roll (2), support means (202) allowing rotation about the axis of the roll, and rotary drive means (1), characterized in that it comprises ... | 11/11/2003 |
| 6623601 | Roll for paper-making machine A paper-making machine includes a traveling substrate and a roll carrying the substrate. The roll includes a carbon fiber shell, a ceramic layer over the shell, and a polytetrafluoroethylene layer over the ceramic layer. The polytetrafluoroethylene layer ... | 09/23/2003 |
| 6543937 | Axial fitting with sliding bearings of the roll mantle of a roll of a paper/board or finishing/converting machine A sliding bearing axial fitting of a roll mantle of a roll in a paper or board machine for preventing a relative axial movement of the roll mantle with respect to a stationary roll axial, the roll mantle being fitted with a bearing to permit revolution of... | 04/08/2003 |
| 6544155 | Arrangement for removing oil from a roll An arrangement is disclosed for removing oil from a roll, in which, inside a rotatable shell, there is a fixed axle beam, which supports loading shoes directed against the inner surface of the shell. An oil guide attached to the loading shoes creates an i... | 04/08/2003 |
| 6521090 | Method and device for changing the natural frequency of a nip roll construction in a paper or board machine The invention concerns a method and a device for changing the natural frequency of a nip roll construction in a paper or board machine so that the rigidity of one or several loading elements, for example loading cylinder or loading beam, in the nip roll c... | 02/18/2003 |
| 6497177 | Calender arrangement and a deflection controlled roll and method of operating them A calender arrangement includes end rolls that are in the form of deflection controlled rolls having an internal stroke. One of the end rolls comprises at least one stop element that is in the form of a hydraulic positioned hydrostatic element which, toge... | 12/24/2002 |
| 6494823 | Take-out roll, spreader roll, or equivalent for a web-like material A take-out roll, spreader roll or equivalent roll for a web-like material having three parts linked with one another, namely, a middle part and two end parts, one on each side of the middle part. The middle part and end parts are pivotal with respect to o... | 12/17/2002 |
| 6464834 | Calender roll and process for operating a calender roll A process is provided for operating a calender roll including a roll jacket surrounding an inner chamber. The process includes creating an active oscillation in the inner chamber that acts upon the roll jacket. By creating an oscillation within the calend... | 10/15/2002 |
| 6454685 | Method and arrangement for removing oil from a roll A method and arrangement is disclosed for removing oil from a roll, in which, inside a rotatable shell, there is a fixed axle beam, which supports loading shoes directed against the inner surface of the shell. An oil guide attached to the loading shoes cr... | 09/24/2002 |
| 6443880 | Arrangement for removing oil in a roll The roll comprises a stationary support construction (11) and a roll mantle (12) revolving around the construction, which mantle is supported from its inner face (12') on the support construction (11) by at least one hydraulically loaded loading member (1... | 09/03/2002 |
| 6416629 | Arrangement for fastening press jacket to press roll end An arrangement for fastening a press jacket to a press roll end. In the arrangement, thinnings are formed at an edge of the press jacket and the press jacket is fastened to the roll end by means of holes formed at the edge of thicker jacket portions betwe... | 07/09/2002 |
| 6409884 | Press device having an extended nip for pressing a running paper or paperboard web A press device having an extended press nip for pressing a running paper or paperboard web, comprising a carrier supporting a press shoe via a plurality of loading cylinders, out of which at least a few comprise a first cylinder member having a first end ... | 06/25/2002 |
| 6409644 | Sag compensation roll and process for the operation thereof Sag (deflection) compensation roll and process for operating sag compensation roll. The sag compensation roll includes a rotatable roll jacket, a non-rotating carrier being located inside the roll jacket, and a hydraulic support element arrangement being ... | 06/25/2002 |
| 6409643 | Take-out leading roll, spreader roll, or equivalent for a web-like material A take-out leading roll, spreader roll or equivalent for a web-like material including a non-revolving roll axle having end parts and a middle part situated between the end parts, and a continuous and tubular roll mantle revolvingly journalled by bearings... | 06/25/2002 |
