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| Number | Title | Issue Date |
| 6908532 | Press belt A press belt for the formation of a nip between the belt and an opposing surface during processing of a fibrous pulp web, that includes a matrix of an elastomer material, a first layer of reinforcing fibers having a thickness and spacings therebetween, and extending... | 06/21/2005 |
| 6845281 | Control and/or regulating system for a machine used for producing a fiber web A control and/or regulating system of a machine for making a fibrous web, such as a paper and/or cardboard web, is provided. The system includes a plurality of actuators, each assigned to at least one final control element, for varying certain properties of the fibr... | 01/18/2005 |
| 6789984 | Process and apparatus for drilling holes in the shell of a cylinder Process and apparatus for drilling holes in a shell of a paper machine cylinder, which is in its operating position. The process includes fixing a drilling apparatus to a cylinder adjacent to the cylinder to be drilled, and substantially eliminating influences of me... | 09/14/2004 |
| 6613386 | Apparatus and method for direct or indirect application of a liquid or pasty medium onto a traveling material web An apparatus for direct or indirect application of a liquid or pasty medium onto a traveling material web includes at least one rotatable backing roll wrapped in part by the material web and supporting a side of the material web near the backing roll. The... | 09/02/2003 |
| 6599395 | Method and apparatus to produce paper webs coated on both sides A method of producing paper webs coated on both sides includes the following steps: a) indirectly applying a liquid onto the paper web by passing the web through at least one nip formed by a roll and a counterelement, whereafter the web is dried; b) next,... | 07/29/2003 |
| 6585860 | Method to control or regulate the basis weight of a paper or cardboard web Method for regulating a basis weight of a paper or cardboard web in the manufacturing process. The method includes determining a basis weight at an end of the manufacturing process, calculating a deviation of the determined basis weight from a predetermin... | 07/01/2003 |
| 6524441 | Process for detecting and correcting a fiber orientation cross direction profile change Process and a device for detecting a change in the fiber orientation cross-direction profile of a paper or cardboard web in the manufacturing process on a paper or cardboard machine. It is recognized that a change in the fiber orientation cross-direction ... | 02/25/2003 |
| 6497792 | Paper machine using metal screen for press section and dryer cylinders Described is a machine for manufacturing a continuous web, in particular a paper or cardboard web, the machine having a number of rolls that may include press rolls, drying cylinders, suction rolls, or the like. At least one transport belt is guided with ... | 12/24/2002 |
| 6494954 | Method and apparatus for directly or indirectly applying a liquid or pasty application medium to one or both sides of a continuous surface The invention relates to a method for directly or indirectly applying a liquid or pasty application medium (2) onto one or both sides of a continuous surface (4), wherein the application medium (2) is applied to the surface (4) in a plurality of single ap... | 12/17/2002 |
| 6475281 | Applicator for direct or indirect application of a liquid or pasty coating medium onto a traveling material web An applicator for one of direct and indirect application of a coating medium onto a traveling fiber material web includes at least one dosing device and a coating edge delimiting device. The at least one dosing device includes a pair of lips with each lip... | 11/05/2002 |
| 6468588 | Apparatus and method for application of a liquid or pasty medium onto a passing substrate An apparatus for application of a liquid or pasty coating medium onto a substrate moving past it, for instance a material web of paper, cardboard or boxboard or an applicator roll, includes a back-up chamber which is bounded on its substrate entrance end ... | 10/22/2002 |
| 6436239 | Method to reduce the adhesion of a damp fibrous material web to a rotating roll Method to reduce adhesion of a damp fibrous material web, e.g., a paper or material web, to a rotating roll. The method includes producing a steam cushion between the rotating roll and the fibrous material web.... | 08/20/2002 |
| 6425513 | Device and method for transferring a threading strip or a material strip An apparatus transfers a threading strip and/or a material web can from a pick-up area into a transfer area along a web travel path for production and/or processing/of the strip and/or web. The device includes a carrier for moving the strip and/or web alo... | 07/30/2002 |
| 6419794 | Method and apparatus for damping contact oscillations of rotating rolls In a method and apparatus for damping contact oscillations of rotating rolls in a paper machine, but notably in a coater, the rolls are held endways in bearings. At least two rolls form a nip with each other. The damping is carried out actively and the ac... | 07/16/2002 |
| 6416580 | Method and apparatus for applying a liquid or pasty medium on a traveling material web The invention is directed to a method for the application of a liquid or pasty medium onto a traveling fiber material web. The medium is directly applied on at least one side of the traveling material web. The medium is pressed into the traveling material... | 07/09/2002 |
| 6409836 | Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard An apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard, includes at least one oblong working unit wetted by the coating medium and an oblong support element carrying... | 06/25/2002 |
| 6410100 | Method of applying a coating medium on a traveling fiber material web The invention relates to a method for directly or indirectly applying a liquid or pasty application medium (2) onto one or both sides of a continuous surface (4), wherein the application medium (2) is applied to the surface (4) in a plurality of single ap... | 06/25/2002 |
| 6402842 | Stationary sliding bar The invention is directed to a stationary sliding bar for guiding a paper or cardboard web extends across the entire web width B. Viewed in cross section, the sliding bar has a convex, rounded surface. Due to a relatively high speed of travel of the web, ... | 06/11/2002 |
| 6386477 | Station for continuous unwinding of a material web An unwinding station continuously unwinds a material web, notably a paper or cardboard web, for a machine, specifically a coater, for conversion of the material web. The station includes a primary unwinding system, a secondary unwinding system and a splic... | 05/14/2002 |
| 6368461 | Device to control or regulate the basis weight of a paper or cardboard web Paper or cardboard machine and method for regulating a basis weight of a paper or cardboard web in the manufacturing process. The paper or cardboard machine includes at least one headbox that extends across a machine width. The at least one headbox is ada... | 04/09/2002 |
| 6361254 | Process and apparatus for drilling holes in the shell of a cylinder Process and apparatus for operating an apparatus to drill holes in the shell of a paper machine cylinder. The apparatus includes a stationary framework supportable on the paper machine, a feed frame that is radially movable along the stationary framework ... | 03/26/2002 |
| 6346171 | Paper making machine using separate metal screens for press and dryer cylinders Described is a machine for manufacturing a continuous web, in particular a paper or cardboard web, the machine having a number of rolls that may include press rolls, drying cylinders, suction rolls, or the like. At least one transport belt is guided with ... | 02/12/2002 |
| 6306261 | Dewatering device and process and glazing device and process Dewatering device and process of a machine for at least one of production and processing of a material web, as well as a glazing device an process. The dewatering device includes a circulating flexible continuous belt and an opposite surface. The circulat... | 10/23/2001 |
| 6299728 | Multi-ply paper A multi-ply paper includes a fiber material base layer, which is unbleached or made of wastepaper, and a top layer. Instead of a conventional "white" fiber material top layer, the top layer is in the form of a white or colored top coating.... | 10/09/2001 |
| 6284097 | Method and apparatus to produce paper webs coated on both sides A method of producing paper webs coated on both sides includes the following steps: a) indirectly applying a liquid onto the paper web by passing the web through at least one nip formed by a roll and a counterelement, whereafter the web is dried; b) next,... | 09/04/2001 |
| 6277197 | Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboard An apparatus for direct or indirect application of at least one liquid or pasty medium onto a traveling material web, notably of paper or cardboard, includes at least one applicator for the medium. Coordinated with the applicator is a backing roll for rec... | 08/21/2001 |
| 6274042 | Semipermeable membrane for pressing apparatus A unitary membrane for use in a pressing apparatus includes a semipermeable portion structured and adapted to have a permeability which permits a predetermined fluid flow therethrough, which is positioned between a pair of longitudinal edge portions, wher... | 08/14/2001 |
| 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 |
| 6248407 | Method for applying a coating medium onto a moving surface In a method of application of a coating medium by use of a spray device onto a moving surface, which in the direct application method is the surface of a material web, specifically a paper or cardboard web, an atmosphere of back-moistening and/or moisteni... | 06/19/2001 |
| 6235158 | Suction forming roll n double screen method and machine for the manufacture of a fibrous material web A wet section (10) of a paper or cardboard machine and a process for the manufacture of a fibrous material web are suggested. The wet section (10) exhibits a double-screen segment (US), in which two screens (16, 18) are guided about parallel to one anothe... | 05/22/2001 |
| 6228221 | Dewatering press and process Process for dewatering a fibrous web in a dewatering press including a counterpart face, a shoe press unit having a revolving flexible press belt and at least one press shoe such that the at least one press shoe is arranged to press the flexible press bel... | 05/08/2001 |
| 6221214 | Wet press and method for treating a fibrous material web A wet section of a machine for producing a fibrous material web that includes at least one press. The press includes a nip through which the fibrous material web is guided. The fibrous material web is preformed in a web forming zone. At least one press is... | 04/24/2001 |
| 6216976 | Reel winding device and process Apparatus and process for at least one of winding and unwinding a material web. The apparatus includes a material web reel and a reel lightening device that includes a blow box and a compressed air supply coupled to the blow box. The blow box may direct t... | 04/17/2001 |
| 6214169 | Sheet formation system with deckle plates and method for reducing edge waves Sheet formation system and method for reducing wavy edges in a fourdrinier machine. The system includes a headbox having a nozzle bring adapted to produce a pulp suspension jet across a width of the machine, at least one rotating screen positioned to rece... | 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 |
| 6207018 | Process for controlling headbox with pulp consistency control Process for controlling and consistency-controlled headbox for a paper machine with a common feed line for a pulp slurry, a plurality of feed line sections into which the common feed line branches, and a system for influencing the composition of the slurr... | 03/27/2001 |
| 6202557 | Applicator system roll An applicator system roll for direct or indirect application of a coating medium onto a traveling fiber material web includes a core substantially comprised of a fiber composite material and a cover substantially surrounding the core.... | 03/20/2001 |
| 6203858 | Method and system for coating a web The invention is directed to a process and system for coating a traveling material web, especially paper or cardboard, with at least one liquid medium, in which the coating medium is conveyed to an applicator device with a spray nozzle fitted in a vacuum ... | 03/20/2001 |
| 6197158 | Drying screen and process for using the same Drying screen for a fibrous pulp web and process for using the same. The drying screen includes a support structure composed of one of a web or mesh, and an elastic coating having a shaped surface provided on a side of the support structure adapted to fac... | 03/06/2001 |
| 6197157 | Process for draining or smoothing a fibrous pulp web A press device for draining and/or smoothing, or shaping the surface and controlling the sheet structure of fibrous pulp webs with a surface weight of under 100 g/m2, such as the fibrous pulp webs used to make graphic papers. The device has a p... | 03/06/2001 |
