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Voith Sulzer Papiertechnik Patent GmbH Patents
Assignee:
Voith Sulzer Papiertechnik Patent GmbH
Address:
Heidenheim, DE
No. of patents:
245
Patents:


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Patent Number Title Of Patent Date Issued
6487789 Heated cylinder and process of using same December 3, 2002
Heated cylinder and process of using same for heating a fibrous material web in machines for one of producing and refining the fibrous material web. The heated cylinder includes a cylinder jacket having an outer jacket layer with good heat conductivity, a heat insulating layer positioned
6482295 Process and device for drying of a material web November 19, 2002
Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area, maintaining the material web in uninterrupted contact with the at least one heated area at least until the material web achieves a firmness sufficient for detaching
6475343 Process and device for dewatering a fibrous material web November 5, 2002
Process and apparatus for dewatering a fibrous material web. The process includes guiding the fibrous material web through a dewatering zone, and directing a plurality of gas pressure pulses of a pressurized displacement gas one after the other onto a surface of the fibrous material web
6474205 Device for cutting off and conveying streaks and method for cutting off and transferring a threa November 5, 2002
The invention relates to a device for cutting off and conveying strips, for a machine. The device is used for producing a continuous web, especially of paper or card, for a threading strip, and has a knife. Finally the device is characterized in that it has it least one (preferably drive
6471828 Headbox October 29, 2002
Headbox for a machine and process for forming the same. The headbox includes a plurality of channels arranged in rows that extend across a width of the machine and in columns substantially perpendicular to the rows, at least one lamella positioned between adjacent rows, a fixing poin
6471626 Resilient roll for smoothing webs October 29, 2002
Roll and process of producing roll that includes hard roll core, a resilient covering layer located on an outer side of said hard roll core, and a metallic top layer located on an outside of said resilient covering layer. The metallic top layer includes fibers that include at least one o
6467720 Process for winding a material web and winding machine for performing the process October 22, 2002
Process and winding machine for winding a material web onto a reel spool. The winding machine includes the winding machine includes a carrier drum, such that the carrier drum and the reel spool are arranged to form a winding nip. Two separation elements are positionable in a region of th
6464837 Headbox and process for the metered addition of a fluid medium into a suspension stream of a hea October 15, 2002
Process for a metered addition of a fluid medium into a material suspension stream of a headbox, including feeding the material suspension in a main flow direction through at least one turbulence-producing conduit to a headbox nozzle, the at least one turbulence-producing conduit having
6464161 Process for severing a traveling material web and device for performing the process October 15, 2002
Process for severing a traveling material web, at reel spool changeover, in a winding device. The process comprises moving a severing device into the web travel path between a winding roll and an empty reel spool on one side and a reel spool carrying a reel formed on the other side of th
6463677 Method and device for moisture profiling October 15, 2002
Method and device for moisture profiling of fibrous material web to be dried in machines for manufacturing and/or refining of fibrous material web. Method includes subjecting fibrous material web to electromagnetic waves in the form of high-frequency waves. Device includes a fibrous
6461478 Method and device for treating a fibrous material web October 8, 2002
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 water squeezed out the fibrous w
6444090 Process and device for spraying a moving fibrous web September 3, 2002
Process and apparatus for spraying a moving fibrous web with at least one jet. The process includes feeding a controlled volume flow of a spray agent to the at least one jet through at least one pulsing valve, and damping and reducing pulses occurring in the controlled volume flow of the
6444030 Apparatus for applying a liquid or viscid coating medium onto a moving fiber material web September 3, 2002
An apparatus applies a liquid or viscid coating medium onto a moving material web, especially one made of paper or cardboard. A coating mechanism first applies the coating medium onto an applicator element or an applicator roll, which subsequently transfers the coating medium at a co
6443459 Sealing arrangement between two components rotating relative to one another September 3, 2002
Sealing arrangement between relatively rotatable components that includes a first component having a cylindrical circumferential surface on one of an interior and exterior circumference, and a second component having a ring groove open toward the circumferential surface. A ring-shaped ca
6443353 Fittings and process for producing fittings for the mechanical processing of aqueous paper stock September 3, 2002
A process for producing a fitting for the mechanical processing of aqueous fiber stock and a fitting made by the process. The fitting includes at least one base body and at least one processing element. The process includes producing at least one hard material body which forms at least a
6442868 Heated drying cylinder September 3, 2002
A drying cylinder for drying a fibrous web, the cylinder having an inner chamber connected to a pressurized air source; and an outer cylinder jacket having an air-permeable region which is adapted to contact the fibrous material web. Also a drying section for drying a fibrous web, in
6442865 Drying section September 3, 2002
Drying section of a machine for producing a material web. The drying section includes a support roll with an associated impingement dryer, and at least one straight or curved section forming at least a part of a closed path between a last nip of a press section adjacent the drying se
6440272 Device for mixing stock suspensions August 27, 2002
Process and device for the mixing of suspensions with possibly different natures and/or compositions in the stable section of a paper machine. In the process, a suspension, particularly of the backwater of the paper machine, is piped in a mixing tube with the main flow direction in the
6428455 Resilient roll August 6, 2002
A roll for smoothing a web and a method of making the roll. The roll includes a roll core having an outer surface, and a covering layer disposed on the outer surface of the roll core, the covering layer having an inner surface, an outer surface, and a radial thickness. The covering l
6427938 Process and apparatus for cutting a running material web August 6, 2002
Process and apparatus for cutting a running material web in which the material web is wound onto several winding cores in succession, such that winding of the material web onto a new winding core begins after a predetermined diameter has been attained in a wound roll formed on an old
6425986 Process for degassing a paper stock suspension July 30, 2002
Process and apparatus for degassing a flowing fibrous paper suspension. The process includes separating the suspension into partial streams, spraying the partial streams into a degassing chamber under vacuum, and exposing the suspension to the degassing vacuum for at least 10 seconds. In
6425980 Press device and process for treating a material web July 30, 2002
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 the first shoe press and the
6425512 Web handling process July 30, 2002
A process of transporting at least a portion of a web from a first structure to a second structure via an apparatus that includes at least two pulleys located at spaced locations from each other, an air-pervious endless belt positioned to run from the first structure to the second st
6425190 Method and device for moisture profiling July 30, 2002
A method and device for moisture profiling of a fibrous material web to be dried in machines for manufacturing and/or refining this web that includes subjecting the fibrous material web to electromagnetic waves in the form of microwaves and/or high-frequency waves.
6423181 Gravure paper and manufacturing process for this paper July 23, 2002
A gravure paper and a method of manufacturing gravure paper having a maximal roughness depth of approximately 1.40 .mu.m. The method utilizes a paper machine including a forming system, a first press section, and a drying section, and includes producing a stock suspension including a
6419793 Paper making apparatus having pressurized chamber July 16, 2002
Method for forming a continuous web on a forming fabric includes providing a pressurized chamber, processing the forming fabric through the pressurized chamber, and distributing a pressurized flow of a slurry having a first composition in the pressurized chamber across the width of t
6416631 Pressing apparatus having semipermeable membrane July 9, 2002
An apparatus for processing a continuous web having a first side and a second side includes a plurality of rollers are arranged for cooperative rotation. The plurality of rollers are positioned to define a corresponding plurality of nips. The continuous web is processed through at le
6416630 Press jacket and method for treating a material web July 9, 2002
The present invention provides a press jacket of a press device and a method for treating a material web, in particular a paper or cardboard web, in a nip, where the press jacket has an outer circumferential surface that is provided with grooves and/or blind bores. The grooves and/or bor
6413366 Method and device for flotation of pollutants from an aqueous fibrous material suspension July 2, 2002
Process and device for the flotation of contaminates out of an aqueous fibrous suspension using a foam. The process includes creating the foam, introducing the fibrous suspension into the foam, transferring contaminates from the fibrous suspension to the foam, and removing some porti
6409880 Apparatus and process for removing fine impurities from a fibrous suspension June 25, 2002
Process and apparatus for removing fine impurities from a fibrous suspension. The process and apparatus each provide for conveying the fibrous suspension to at least one sorting device, separating the fibrous suspension using the at least one sorting device into an accepts portion an
6409644 Sag compensation roll and process for the operation thereof June 25, 2002
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 located between the carrier a
6409023 Process and device for fractioning a suspension containing paper fibers June 25, 2002
Process and device for fractioning a suspension containing paper fibers, in which the suspension is separated into at least two fractions by a wire with a scraper. The process includes moving the scraper in a substantially parallel relation to the wire so that the wire is kept clear, and
6406596 Press roll press system having same and method of treating a fibrous material web using same June 18, 2002
Press roll, system and method for the treatment of a fibrous material web. The press roll forms at least one nip with a respective mating surface and comprises a non-rotatably mounted carrier, a press sleeve surrounding the carrier, and at least one outer support device disposed between
6406417 Device for continuously winding up longitudinally cut paper webs with rolls changed automaticall June 18, 2002
Process and device for continuously winding a plurality of longitudinally cut paper webs at machine speed by using a device that includes support rollers and at least one pair of disks associated with each of the support rollers, such that the at least one pair of disks is arranged c
6406414 Press jacket and processes for its manufacture June 18, 2002
Roll press jacket and process for manufacturing a roll press jacket. The roll press jacket includes a hollow cylindrical sleeve made of an castable elastomeric material containing at least one crystallization component, the sleeve has an interior cylindrical surface and an exterior cylin
6405914 Vacuum conveyor June 18, 2002
Vacuum conveyor and process for transporting at least a portion of a material web in a web travel direction. The vacuum conveyor includes two pulleys, a suction box positioned between the two pulleys, and an endless conveyor belt arranged around the two pulleys to form a loop. The suctio
6402889 Calender web threading device and method June 11, 2002
A web guidance device for a calender and a method of threading a web through a calender. The web guidance device is for a roll stack having several rolls which form a plurality of nips, and includes a movable web guidance device which is fixable in at least one insertion position and
6402005 Process and device for handling a material web June 11, 2002
Process and device for handling a material web. The process includes moving the material web, at least in stretches, along with at least one circulating endless belt in a circulation direction and monitoring the movement of the edge of the at least one circulating endless belt. The p
6398969 Hydrocyclone and process for removing foreign substances from a liquid June 4, 2002
Hydrocyclone and process for removing foreign substances from a liquid to be cleaned. The hydrocyclone includes at least one inlet for the liquid to be cleaned, at least one accepted stock outlet for the cleaned liquid, and at least one reject opening for foreign substances removed from
6397493 Machine for producing and/or treating a material web June 4, 2002
An apparatus for at least one of producing and treating a material web is provided including at least one wire; an outer sealing belt, which is wider than said at least one wire, comprising a pair of lateral edge regions; at least one heatable unit, having an outer cylindrical surface,
6394331 Device and process for separating and transferring a leader strip May 28, 2002
Apparatus and process for separating and transferring a leader strip to be threaded into a machine for at least one of producing and treating a material web. The apparatus includes a separating device positioned to perform a separation process, a transfer device positioned to transfer th
6391157 Device and process for producing a paper web May 21, 2002
A method and apparatus for producing a web. The apparatus includes a machine for providing a web having an output end at least one refining device arranged in a region of the output end and a longitudinal cutting device located at the output end. In this manner, the web is cut into web
6390408 Device and process for winding a material web May 21, 2002
Device and process for winding a material web onto a winding core to form a wound reel. The device includes a reeling drum positionable against a winding core or a wound roll to form a winding nip, a secondary transport device to displace the winding core/wound roll along a path of trave
6387220 Vacuum conveyor May 14, 2002
Apparatus for transferring at least a portion of a running web from a first section of a web making machine to a second section of the web making machine includes at least two pulleys, in which at least one is a driven pulley, a suction box coupled to a vacuum source, an air-pervious end
6387214 Device to actively weaken undesirable vibrations in a rotating roll; device for treatment of a m May 14, 2002
A device to actively reduce undesirable vibrations in a rotating roll includes at least one sensor arrangement to detect/measure the undesirable vibrations and at least one power unit device which, dependent upon the detecting/measuring result, influences the roll to reduce the undesirab
6383340 Press arrangement and process May 7, 2002
Press arrangement and process for treating a fibrous material web that includes two shoe press rolls and a counter-roll, associated with the two shoe press rolls, positioned to form a first and a second press nip with the two shoe press rolls. The first and the second press nip are elong
6383338 Shoe press roll May 7, 2002
A shoe press roll for dewatering a fibrous web in machines for at least one of producing and processing a fibrous web is provided, including a flexible roll jacket having a profiled surface for water absorption. At least one press element is provided, having a concave pressing surface,
6383337 Method and device for applying a medium on a running web of material May 7, 2002
A papermaking machine and a method for applying an application medium to a moving web of material in a papermaking machine. The papermaking machine has a wet end section, a press section, a drying section and an applying device for applying a medium to a moving web of material. The wet e
6382066 Method and device for slitting a material web May 7, 2002
Method and a device for slitting a material web traveling in the run direction in which at least one knife unit with a cutting edge, and arranged on a carrier that is movable transversely to the run direction in a machine frame, is positioned. A measurement device measures the positi
6381868 Device for dewatering a material web May 7, 2002
Apparatus and process for dewatering a material web. The apparatus includes at least one pressure chamber formed by at least four substantially parallel rolls, a device arranged to introduce a pressurized gas into the at least one pressure chamber, and the at least four substantially
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