Patents by Inventor Karlheinz Straub
Karlheinz Straub has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11319669Abstract: A lubricating device lubricates a circulating clothing of a machine for manufacturing a fibrous web. The device has a body with a feed chamber that has an inlet for supplying a pressurized liquid lubricant to the feed chamber and an outlet for discharging the lubricant therefrom. The body further has a nozzle chamber to which a nozzle for discharging the lubricant is connected. The nozzle has a flow-conducting connection to the feed chamber via the nozzle chamber and the outlet. Within the body, a diffuser is provided for diffusing the lubricant supplied through the outlet along the body, the diffuser being arranged between the outlet and the nozzle.Type: GrantFiled: September 15, 2017Date of Patent: May 3, 2022Assignee: Voith Patent GmbHInventors: Mark Hodson, Karlheinz Straub, Wiebke Juergens, Fabian Koeberle
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Publication number: 20200048834Abstract: A lubricating device lubricates a circulating clothing of a machine for manufacturing a fibrous web. The device has a body with a feed chamber that has an inlet for supplying a pressurized liquid lubricant to the feed chamber and an outlet for discharging the lubricant therefrom. The body further has a nozzle chamber to which a nozzle for discharging the lubricant is connected. The nozzle has a flow-conducting connection to the feed chamber via the nozzle chamber and the outlet. Within the body, a diffuser is provided for diffusing the lubricant supplied through the outlet along the body, the diffuser being arranged between the outlet and the nozzle.Type: ApplicationFiled: September 15, 2017Publication date: February 13, 2020Inventors: MARK HODSON, KARLHEINZ STRAUB, WIEBKE JUERGENS, FABIAN KOEBERLE
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Publication number: 20180119349Abstract: A device for cleaning a continuously revolving clothing in a machine producing and/or processing a paper, cardboard, tissue or other fiber web, includes at least one cleaning nozzle generating at least one fluid cleaning jet directed towards the clothing and a channel discharging fluid and dirt from the clothing in a discharge direction. The discharge channel has a first portion with a receptacle opening at the beginning of the discharge channel and a cleaning opening facing the clothing forming a cleaning zone. The nozzle causes the jet to impact the clothing in the cleaning zone. The receptacle opening is oriented opposite a clothing running direction and the nozzle provides the jet with a velocity component transverse to the running direction striking the clothing in an angular range 20°<B<80°, particularly 30°<B<70° relative to a clothing plane seen in the clothing running direction.Type: ApplicationFiled: April 14, 2016Publication date: May 3, 2018Inventors: MARK HODSON, KARLHEINZ STRAUB
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Publication number: 20100043843Abstract: An apparatus to clean a continuously running conveyor belt for a machine to produce or refine paper, cardboard or other layers of fibrous material including a cleaning device and at least one supplementary device. The cleaning device is configured to dispense at least one cleansing stream to the conveyor belt in at least one cleaning stage. The supplementary device is configured to dispense a chemically active medium and/or a physically active medium in a preparation process. The preparation process is configured to support and/or enhance the cleaning effectiveness and conditioning of a surface of the conveyor belt for a cleaning process.Type: ApplicationFiled: September 17, 2009Publication date: February 25, 2010Inventors: Maria Dröscher, Wolfgang Schneider, Karlheinz Straub
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Patent number: 7166194Abstract: A water jet cutter for separation of a trim strip from a moving paper, cardboard, tissue or other type of fiber web, in a machine for the production and/or conversion of the fiber web, including at least one nozzle whose water jet is directed onto the fiber web. An advantage of the present invention is to simplify the construction of the device while maintaining at least equal operational reliability, and to enable installation above a pulper in order to eliminate the necessity for removal and extraction systems.Type: GrantFiled: April 19, 2003Date of Patent: January 23, 2007Assignee: Voith Paper Patent GmbHInventors: Karlheinz Straub, Michael Sollinger, Ralf Pfifferling
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Patent number: 7112260Abstract: Device and process for cleaning a circulating belt, the device using a cleaning device having at least one nozzle. The process includes feeding a pressurized fluid to the at least one nozzle, and subjecting the circulating belt to the pressurized fluid via the at least one nozzle. The pressurized fluid has a temperature in a range of between approximately 90° C. and approximately 160° C.Type: GrantFiled: July 3, 2002Date of Patent: September 26, 2006Assignee: Voith Paper Patent GmbHInventors: Karlheinz Straub, Michael Sollinger
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Publication number: 20050121055Abstract: A method for controlling a cleaning of an endlessly circulating belt in a machine for at least one of producing a fiber web and finishing the fiber web, includes the steps of: providing a cleaning device and a traversing unit coupled thereto; applying a cleaning liquid to the belt with the cleaning device; moving the cleaning device transversely with respect to the belt running direction with the traversing unit; and controlling a traversing speed as a function of a traversing direction. Another method for controlling a cleaning of the belt includes the steps of: providing a cleaning device and a traversing unit coupled thereto; applying a cleaning liquid to the belt with the cleaning device; moving the cleaning device transversely with respect to the belt running direction with the traversing unit; and controlling a quantity of the cleaning liquid applied to the belt as a function of a traversing direction.Type: ApplicationFiled: January 13, 2005Publication date: June 9, 2005Inventor: Karlheinz Straub
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Publication number: 20030196531Abstract: A water jet cutter for separation of a trim strip from a moving paper, cardboard, tissue or other type of fiber web, in a machine for the production and/or conversion of the fiber web, including at least one nozzle whose water jet is directed onto the fiber web. An advantage of the present invention is to simplify the construction of the device while maintaining at least equal operational reliability, and to enable installation above a pulper in order to eliminate the necessity for removal and extraction systems.Type: ApplicationFiled: April 19, 2003Publication date: October 23, 2003Inventors: Karlheinz Straub, Michael Sollinger, Ralf Pfifferling
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Publication number: 20030019602Abstract: Device and process for cleaning a circulating belt, the device using a cleaning device having at least one nozzle. The process includes feeding a pressurized fluid to the at least one nozzle, and subjecting the circulating belt to the pressurized fluid via the at least one nozzle. The pressurized fluid has a temperature in a range of between approximately 90° C. and approximately 160° C.Type: ApplicationFiled: July 3, 2002Publication date: January 30, 2003Applicant: Voith Paper Patent GmbHInventors: Karlheinz Straub, Michael Sollinger
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Patent number: 6497792Abstract: 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 the web around the rolls and is characterized by the fact that a metallic screen is guided between the web and the respective roll surface. The metallic screen may be formed of metal, formed as a metallized drying screen, or formed from metal and synthetic threads.Type: GrantFiled: October 15, 2001Date of Patent: December 24, 2002Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Tri Chau Huu, Markus Oechsle, Robert Wolf, Wolfgang Mayer, Karlheinz Straub
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Patent number: 6425513Abstract: 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 along the web travel path through the machine at a carrier speed. The device also includes at least one pick-up unit for transferring the strip and/or web from the pick-up area to the transfer area at relocation speed that is lower than the carrier speed.Type: GrantFiled: December 8, 1999Date of Patent: July 30, 2002Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Zygmunt Madrzak, Rüdiger Kurtz, Oswald Satzger, Wolf Gunter Stotz, Thomas Hermsen, Georg Kugler, Werner Goebel, Karlheinz Straub, Patric Romes
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Publication number: 20020060053Abstract: 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 the web around the rolls and is characterized by the fact that a metallic screen is guided between the web and the respective roll surface. The metallic screen may be formed of metal, formed as a metallized drying screen, or formed from metal and synthetic threads.Type: ApplicationFiled: October 15, 2001Publication date: May 23, 2002Applicant: VOITH SULZER PAPIERMASCHINEN GmbHInventors: Tri Chau Huu, Markus Oechsle, Robert Wolf, Wolfgang Mayer, Karlheinz Straub
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Patent number: 6379502Abstract: Process and apparatus for transferring a traveling material web into a target region. The process includes positioning at least two cutting mechanisms at one of a same and different width positions between web edges of a traveling material web. The at least two cutting mechanisms are movable relative to the traveling material web in a plane approximately parallel to the material web. The process also includes cutting the traveling material web at the one of the same and different width positions, thereby forming at least one resulting cut that extends approximately parallel to a web travel direction, and forming a substantially pointed beginning of a transfer strip by moving at least one of the at least two cutting mechanisms in a direction toward one of the web edges from its respective width position. In this manner, the resulting cuts of the at least two cutting mechanisms occur at one of a same and a substantially close proximity to a same width position.Type: GrantFiled: December 28, 1999Date of Patent: April 30, 2002Assignee: Voith Sulzer Papiertechnik Patent GmbHInventors: Oswald Satzger, Zygmunt Madrzak, Karlheinz Straub
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Patent number: 6364959Abstract: A process and apparatus for cleaning a transport belt of a machine for the production or processing a web. The apparatus includes at least one nozzle device composed of a rotatable nozzle head having at least one cleaning nozzle, a transport device including a crosspiece extending substantially crosswise to a transport belt travel direction, in which the at least one nozzle device is coupled to the transport device and adapted for displacement along the crosspiece. A traversing speed of the nozzle device is very low and falls within a range of between approximately 1 mm/min and 10 mm/min. Alternatively, the at least one nozzle is positionable in a plurality of cleaning positions that are successively arranged crosswise to the transport belt, and the at least one nozzle is held stationary in each respective cleaning position for a predefined time period.Type: GrantFiled: May 13, 1999Date of Patent: April 2, 2002Assignee: Voith Sulzer Papiertechnik Patent GmbHInventors: Karlheinz Straub, Dieter Haberzettl, Birgit Bertram, Johann Eisler, Lutz-Thomas Herrmann
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Patent number: 6346171Abstract: 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 the web around the rolls and is characterized by the fact that a metallic screen is guided between the web and the respective roll surface. The metallic screen may be formed of metal, formed as a metallized drying screen, or formed from metal and synthetic threads.Type: GrantFiled: December 22, 1997Date of Patent: February 12, 2002Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Tri Chau Huu, Markus Oechsle, Robert Wolf, Wolfgang Mayer, Karlheinz Straub
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Patent number: 6176939Abstract: A device to clean a transport belt of a machine for manufacturing a material web, in particular paper or cardboard web, is provided which includes at least one nozzle that can impart a medium under pressure and is designed to rotate on a rotational axis. The device is characterized in that the rotational speed of the nozzle for a gentle cleaning of the transport belt lies in the range of from about 2500 rpm to about 4000 rpm, and for an intensive cleaning of the transport belt in the range of from about 1000 rpm to about 2500 rpm.Type: GrantFiled: March 17, 2000Date of Patent: January 23, 2001Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Markus Oechsle, Karlheinz Straub
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Patent number: 6143092Abstract: Process for cleaning a transport belt of a machine for manufacturing and/or processing a material web with at least one cleaning device. The process includes detecting the contamination of the transport belt with at least one sensor, generating a state matrix which contains the location coordinates of the detected contamination, and one of controlling and regulating the at least one cleaning device for cleaning over at least a width of the transport belt with a varying desired intensity of cleaning in accordance with the generated state matrix.Type: GrantFiled: July 6, 1999Date of Patent: November 7, 2000Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Karlheinz Straub, Markus Oechsle, Gerhard Kotitschke
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Patent number: 6135267Abstract: Device for cleaning the conveyor belt of a machine for producing a cellulosic web. The cleaning device includes a spray unit for discharging cleaning fluid in the opening nip of a roll around which the belt is guided, or at the point where the belt leaves the roll.Type: GrantFiled: January 16, 1998Date of Patent: October 24, 2000Assignee: Voith Sulzer Papiermaschinen GmbHInventor: Karlheinz Straub
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Patent number: 6116156Abstract: A machine is provided for producing a continuous material web. In particular, a paper web or a cardboard web can be produced by the machine. The machine has a number of rolls, around which the material web is guided by the use of at least one belt. The belt has at least two zones. The zones have different properties with at least one of the zones being designed to transmit a drive force to the rolls of the machine.Type: GrantFiled: July 2, 1998Date of Patent: September 12, 2000Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Christian Schiel, Karlheinz Straub
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Patent number: 6088926Abstract: Dryer section of a machine for manufacturing a material sheet. The dryer section may include at least one dryer cylinder, a plurality of sheet guide rolls, a transport belt for guiding the material sheet in a meandering manner around the at least one dryer cylinder and the plurality of sheet guide rolls, and threads surrounding at least one of the at least one dryer cylinder and the plurality of sheet guide rolls. The threads may be positioned between the material sheet and a surface of the at least one of the at least one dryer cylinder and the plurality of sheet guide rolls.Type: GrantFiled: October 7, 1997Date of Patent: July 18, 2000Assignee: Voith Sulzer Papiermaschinen GmbHInventors: Karl Steiner, Karlheinz Straub, Robert Wolf, Albrecht Meinecke, Tri Chau-Huu, Markus Oechsle