Patents Assigned to Paprima Industries Inc.
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Patent number: 10626556Abstract: An air guide box of a paper production installation has a front broad side and a rear broad side, each having a width b. An extension device is attachable to a broad side of the air box guide and has a width of at least 0.25*b and a length of at least 10 mm. A surface thereof is defined with at least one recess having a maximum clear opening of at least 0.1 mm for the through passage of at least one high-pressure water jet or at least one laser beam.Type: GrantFiled: December 2, 2010Date of Patent: April 21, 2020Assignee: PAPRIMA INDUSTRIES INC.Inventor: Roman Caspar
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Patent number: 10604368Abstract: A method for securing a web end of a paper web on a first drum during a change of drum, the method includes passing the web end through a nip between a Pope roller and the second drum and applying adhesive to an area of the web end on a downward-rotating area of the Pope roller after the web end is passed through the nip.Type: GrantFiled: December 19, 2017Date of Patent: March 31, 2020Assignee: PAPRIMA INDUSTRIES, INC.Inventors: Wolfgang Kowalewski, Roman Caspar
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Publication number: 20180222711Abstract: A method for securing a web end of a paper web on a first drum during a change of drum, the method includes passing the web end through a nip between a Pope roller and the second drum and applying adhesive to an area of the web end on a downward-rotating area of the Pope roller after the web end is passed through the nip.Type: ApplicationFiled: December 19, 2017Publication date: August 9, 2018Applicant: PAPRIMA INDUSTRIES INC.Inventors: Wolfgang Kowalewski, Roman CASPAR
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Patent number: 9896801Abstract: The invention relates to an apparatus and method for cutting a material web in a papermaking machine. The apparatus includes a cutting device, an upper holding device and an upper positioning device. The cutting device is fixed above the upper positioning device on the upper holding device such that it can be moved in the cross-machine direction. The apparatus additionally has an air guide box and the air guide box is fixed above the material web, likewise on the upper holding device. Furthermore, the apparatus has a cutting table fixed to a lower holding device via a first and/or a second lower positioning device. The cutting table is movable substantially vertically with respect to the material web via the first lower positioning device and/or movable in the cross-machine direction via the second lower positioning device.Type: GrantFiled: September 26, 2016Date of Patent: February 20, 2018Assignee: PAPRIMA INDUSTRIES INC.Inventor: Roman C. Caspar
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Patent number: 9878865Abstract: A method for securing a web end of a paper web on a first drum during a change of drum, the method includes passing the web end through a nip between a Pope roller and the second drum and applying adhesive to an area of the web end on a downward-rotating area of the Pope roller after the web end is passed through the nip.Type: GrantFiled: February 19, 2009Date of Patent: January 30, 2018Assignee: PAPRIMA INDUSTRIES, INC.Inventors: Wolfgang Kowalewski, Roman Caspar
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Patent number: 9732471Abstract: A drainage device for removing dirt particles and wastewater from a cleaning head for cleaning a dryer screen of a paper production plant includes an air-water separation container. The air-water separation container includes an air outlet, a wastewater outlet and an inlet opening for receiving the dirt particles and the wastewater from the cleaning head. The air-water separation container is connected to the cleaning head so as to be movable transversely relative to the dryer screen together with the cleaning head.Type: GrantFiled: June 1, 2015Date of Patent: August 15, 2017Assignee: PAPRIMA INDUSTRIES INC.Inventor: Roman Caspar
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Publication number: 20170191219Abstract: A drainage device for removing dirt particles and wastewater from a cleaning head for cleaning a dryer screen of a paper production plant includes an air-water separation container. The air-water separation container includes an air outlet, a wastewater outlet and an inlet opening for receiving the dirt particles and the wastewater from the cleaning head. The air-water separation container is connected to the cleaning head so as to be movable transversely relative to the dryer screen together with the cleaning head.Type: ApplicationFiled: June 1, 2015Publication date: July 6, 2017Applicant: Paprima Industries Inc.Inventor: Roman Caspar
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Publication number: 20160348312Abstract: A drainage device for removing dirt particles and wastewater from a cleaning head for cleaning a dryer screen of a paper production plant includes an air-water separation container. The air-water separation container includes an air outlet, a wastewater outlet and an inlet opening for receiving the dirt particles and the wastewater from the cleaning head. The air-water separation container is connected to the cleaning head so as to be movable transversely relative to the dryer screen together with the cleaning head.Type: ApplicationFiled: June 1, 2015Publication date: December 1, 2016Applicant: Paprima Industries Inc.Inventor: Roman Caspar
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Patent number: 9469495Abstract: The invention relates to an apparatus and method for cutting a material web in a papermaking machine. The apparatus includes a cutting device, an upper holding device and an upper positioning device, the cutting device being fixed above the upper positioning device on the upper holding device such that it can be moved in the cross-machine direction. The apparatus additionally includes an air guide box that is fixed above the material web, likewise on the upper holding device.Type: GrantFiled: June 26, 2013Date of Patent: October 18, 2016Assignee: PAPRIMA INDUSTRIES INC.Inventor: Roman C. Caspar
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Patent number: 9273430Abstract: A web turn-up cutting method and apparatus for severing a continuous web has a water jet controller adapted to activate a water supply of first and second water nozzles and a carriage controller adapted to actuate the nozzle carriages to provide a transversal movement of the first and second water nozzles. The first and second nozzles are adapted to define together a substantially X-shaped cut on the traveling continuous web defining at least a substantially V-shaped tail for ending a forming roll, an opposite substantially V-shaped start for starting a new spool, a detachable first wing and a detachable second wing.Type: GrantFiled: January 28, 2013Date of Patent: March 1, 2016Assignee: PAPRIMA INDUSTRIES INC.Inventor: Dieter H Hilker
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Patent number: 9222221Abstract: A cleaning apparatus includes at least one cleaning nozzle that generates and directs a high-pressure liquid jet towards a point of impact on a surface, such as a conveyor belt having a drying screen. A cleaning head has a main opening that faces towards the surface, a discharge opening and a wall with at least one inlet opening defined therein. The at least one cleaning nozzle is disposed outside of the cleaning head and is oriented such that the high-pressure liquid jet passes through the at least one inlet opening before striking the surface. At least one first compressed air supplying device is disposed outside of the cleaning head and is configured to steer liquid from the at least one cleaning nozzle, after it has struck the surface, towards the main opening of the cleaning head.Type: GrantFiled: July 14, 2014Date of Patent: December 29, 2015Assignee: PAPRIMA INDUSTRIES INC.Inventor: Roman Caspar
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Patent number: 9217225Abstract: In a paper production machine, trim is cut at a trim station located near a final reel with a trim handling duct leading into a recycling pulper. The trim is propelled into the pulper using an air jet without using a source of vacuum in the duct. A linear air jet for propelling trim in a trim duct is also disclosed.Type: GrantFiled: February 28, 2012Date of Patent: December 22, 2015Assignee: PAPRIMA INDUSTRIES INC.Inventor: Gabriel Michaud
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Patent number: 9044782Abstract: A drainage device for removing dirt particles and wastewater from a cleaning head for cleaning a dryer screen of a paper production plant includes an air-water separation container. The air-water separation container includes an air outlet, a wastewater outlet and an inlet opening for receiving the dirt particles and the wastewater from the cleaning head. The air-water separation container is connected to the cleaning head so as to be movable transversely relative to the dryer screen together with the cleaning head.Type: GrantFiled: July 12, 2011Date of Patent: June 2, 2015Assignee: Paprima Industries Inc.Inventor: Roman Caspar
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Patent number: 8808504Abstract: A cleaning apparatus includes at least one cleaning nozzle that generates and directs a high-pressure liquid jet towards a point of impact on a surface, such as a conveyor belt having a drying screen. A cleaning head has a main opening that faces towards the surface, a discharge opening and a wall with at least one inlet opening defined therein. The at least one cleaning nozzle is disposed outside of the cleaning head and is oriented such that the high-pressure liquid jet passes through the at least one inlet opening before striking the surface. At least one first compressed air supplying device is disposed outside of the cleaning head and is configured to steer liquid from the at least one cleaning nozzle, after it has struck the surface, towards the main opening of the cleaning head.Type: GrantFiled: December 21, 2010Date of Patent: August 19, 2014Assignee: Paprima Industries Inc.Inventor: Roman Caspar
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Patent number: 8628641Abstract: A web turn-up cutting method and apparatus for severing a continuous web that is traveling in a travel direction. The apparatus comprising a first water nozzle and a second water nozzle that are mountable on respective nozzle carriages and transversely movable. The apparatus further comprising a water jet controller adapted to activate a water supply of the first and second water nozzles and a carriage controller adapted to actuate the nozzle carriages to provide a transversal movement of the first and second water nozzles. The first and second nozzles being adapted to define together a substantially X-shaped cut on the traveling continuous web. The substantially X-shaped cut defining at least a substantially V-shaped tail for ending a forming roll, an opposite substantially V-shaped start for starting a new spool, a detachable first wing and a detachable second wing. A method of manufacturing paper in a papermaking machine.Type: GrantFiled: June 7, 2012Date of Patent: January 14, 2014Assignee: Paprima Industries Inc.Inventor: Dieter H Hilker
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Publication number: 20140007749Abstract: The invention relates to an apparatus and method for cutting a material web in a papermaking machine, comprising a cutting device, an upper holding device and an upper positioning device, the cutting device being fixed above the upper positioning device on the upper holding device such that it can be moved in the cross-machine direction, and the apparatus additionally having an air guide box and the air guide box being fixed above the material web, likewise on the upper holding device.Type: ApplicationFiled: June 26, 2013Publication date: January 9, 2014Applicant: PAPRIMA INDUSTRIES INC.Inventor: Roman C. CASPAR
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Publication number: 20130220564Abstract: In a paper production machine, trim is cut at a trim station located near a final reel with a trim handling duct leading into a recycling pulper. The trim is propelled into the pulper using an air jet without using a source of vacuum in the duct. A linear air jet for propelling trim in a trim duct is also disclosed.Type: ApplicationFiled: February 28, 2012Publication date: August 29, 2013Applicant: PAPRIMA INDUSTRIES INC.Inventor: Gabriel Michaud
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Publication number: 20130192785Abstract: A web turn-up cutting method and apparatus for severing a continuous web that is traveling in a travel direction. The apparatus comprising a first water nozzle and a second water nozzle that are mountable on respective nozzle carriages and transversely movable. The apparatus further comprising a water jet controller adapted to activate a water supply of the first and second water nozzles and a carriage controller adapted to actuate the nozzle carriages to provide a transversal movement of the first and second water nozzles. The first and second nozzles being adapted to define together a substantially X-shaped cut on the traveling continuous web. The substantially X-shaped cut defining at least a substantially V-shaped tail for ending a forming roll, an opposite substantially V-shaped start for starting a new spool, a detachable first wing and a detachable second wing. A method of manufacturing paper in a papermaking machine.Type: ApplicationFiled: June 7, 2012Publication date: August 1, 2013Applicant: PAPRIMA INDUSTRIES INC.Inventor: Dieter H. HILKER
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Publication number: 20120318472Abstract: A cleaning apparatus includes at least one cleaning nozzle that generates and directs a high-pressure liquid jet towards a point of impact on a surface, such as a conveyor belt having a drying screen. A cleaning head has a main opening that faces towards the surface, a discharge opening and a wall with at least one inlet opening defined therein. The at least one cleaning nozzle is disposed outside of the cleaning head and is oriented such that the high-pressure liquid jet passes through the at least one inlet opening before striking the surface. At least one first compressed air supplying device is disposed outside of the cleaning head and is configured to steer liquid from the at least one cleaning nozzle, after it has struck the surface, towards the main opening of the cleaning head.Type: ApplicationFiled: December 21, 2010Publication date: December 20, 2012Applicant: PAPRIMA INDUSTRIES INC.Inventor: Roman Caspar
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Publication number: 20120241426Abstract: An air guide box of a paper production installation has a front broad side and a rear broad side, each having a width b. An extension device is attachable to a broad side of the air box guide and has a width of at least 0.25*b and a length of at least 10 mm. A surface thereof is defined with at least one recess having a maximum clear opening of at least 0.1 mm for the through passage of at least one high-pressure water jet or at least one laser beam.Type: ApplicationFiled: December 2, 2010Publication date: September 27, 2012Applicant: PAPRIMA INDUSTRIES INC.Inventor: Roman Caspar