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Conditioning, preparing or repairing of apparatus

Subclass of:

162 - Paper making and fiber liberation

162100000 - PROCESSES AND PRODUCTS

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
162199000 Conditioning, preparing or repairing of apparatus 18
20090236066Apparatus and Method for Removing a Broken Pulp Web From a Pulp Dryer - The invention relates to an apparatus and a method for removing a broken pulp web from a pulp dryer. The apparatus includes a maintenance platform arranged at the first or the second end of the pulp dryer, outside the walls of the pulp dryer; a device for shifting the maintenance platform in a substantially vertical direction to a desired height with respect to the pulp dryer, and an extraction device fixed to the edge of the maintenance platform facing the dryer for pulling a broken pulp web out of the pulp dryer.09-24-2009
20090321031Method and Device in a Dryer Section of a Fibre-Web Machine, Such as a Paper or Board Machine12-31-2009
20100065239Headbox Slice Beam Removal System and Device - An apparatus for the repair or maintenance of a papermaking headbox has two devices, one of which is used on the tending side and one of which is used on the drive side of the headbox. Each device has three parts, a lower bracket mounted to the headbox frame, an upper bracket mounted to the headbox slice beam, and a carriage which moves on a track formed on the lower bracket. The carriage is adjustably mounted to the upper bracket, and supports the slice beam which is attached to the upper bracket, and allows the slice beam to be precisely raised and lowered with respect to the headbox, so as to disconnect the slice beam from the headbox. Once separated, the slice beam is moved on the track, displacing it in the machine direction from the head box.03-18-2010
20100071864HINGED SCREEN PLATE FOR DRUM PULP WASHER AND METHOD FOR CLEANING THE PLATE - A pulp washer including: a cylindrical assembly of trays to receive pulp, wherein the assembly rotates the trays through at least one wash stage; a housing having a header to direct pulp to the trays and the at least one wash stage, wherein the housing has at least one access port aligned with one or more of the trays; a screen plate in each tray of the assembly, wherein the screen plate has apertures sized to retain pulp fibers and allow liquid to pass through the plate, and a screen hinge attached to a side edge of the screen plate and to the tray, wherein the screen plate pivots about the hinge to allow a cleaning spray to be applied to an outer screen plate surface and a back screen plate surface.03-25-2010
20100200187SYSTEMS AND METHODS FOR PROVIDING IMPROVED DEWATERING PERFORMANCE IN A PAPERMAKING MACHINE - A doctoring system is disclosed for a papermaking machine wherein the doctoring system includes a doctor blade and a fluid assist means. The doctor blade is coupled to a doctor blade holder, and is for cleaning a moving surface. The doctor blade holder is coupled to a doctor-back. The fluid assist means is for providing a fluid under positive pressure that is higher than atmospheric pressure and is directed in a direction generally along a direction of movement of the moving surface such that a negative pressure that is lower than atmospheric pressure develops in a negative pressure zone adjacent the moving surface and a following surface of the doctor blade during movement of the moving surface.08-12-2010
20100218909Systems and Methods for Cleaning and Conditioning a Moving Surface Using Cleaning Apparatus with Plate Elements for Mounting to Doctor Blade Holders - A cleaning apparatus is disclosed for processing a moving surface. The cleaning apparatus includes at least one pad that is coupled to a support shoe. The support shoe is attached to a first end of a plate element, and the plate element includes a second end that is adapted to be received by a doctor blade holder.09-02-2010
20100243189APPARATUS AND METHOD FOR PIVOTAL MOUNTING OF A DOCTOR BLADE ASSEMBLY IN A PAPER MACHINE - The invention relates to a paper machine doctor assembly comprising a doctor blade (09-30-2010
20100300635Process and device for treating a pulp web in an extended nip pressing unit - A process and apparatus for treating a pulp web (12-02-2010
20120000622PAPER MACHINE BELT CONDITIONING SYSTEM, APPARATUS AND METHOD - A belt conditioning method, apparatus and paper machine employing the method and apparatus are provided. The belt method and apparatus include multiple conditioning devices using chemicals to condition water impermeable surfaces of paper machine belts, such as transfer belts and prevent deposits from accumulating on the belts. In one embodiment, the belt supports a web at a first portion of the belt's loop and is separated from the web at a second portion. The conditioning apparatuses are placed in the second portion.01-05-2012
20120043040Method of Treating Paper Forming Wire Surface - A method for inhibiting resinous and sticky substances from filling or forming deposits on or within papermaking forming wire, by applying to said wire an effective inhibiting amount of a composition comprising at least one cationic agent selected from the group consisting of (a) cationic polyureas, (b) hydrophobically modified cationic polymers, (c) alkylammonium or/and alkylimidazolium salts, and optionally at least one nonionic amphiphilic copolymer selected from (i) hydrophobically modified polyethylene glycols], (ii) hydrophobically modified cellulose ethers, (iii) copolymers of vinyl alcohol and vinyl alkonate, (iv) polyoxyalkylene block copolymers, and (v) hydrophilically modified polydimethylsiloxanes.02-23-2012
20120247703APPARATUS FOR INSERTING OR REMOVING A CLOTHING IN AN INDUSTRIAL MACHINE - An apparatus (10-04-2012
20120318472CLEANING APPARATUS - 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.12-20-2012
20140290885SHEET FORMING UNIT FOR PRODUCING A MATERIAL WEB AND METHOD FOR OPERATING THE SHEET FORMING UNIT - A sheet-forming unit of a papermaking machine includes a headbox which outputs a suspension jet and an inner fabric and an outer fabric, which in each case form a loop. A forming element is arranged within the loop of the inner fabric and guide rolls and a white-water box are arranged within the loop of the outer fabric. The inner fabric and the outer fabric form a gap for receiving the suspension jet and jointly wrap around the forming element at least partially in a wraparound region. A machine-wide guide element is arranged in the wraparound region within the loop of the outer fabric and/or, in the region of at least one of the guide rolls of the outer fabric, a machine-wide guide apparatus is provided outside the chamber which is formed by the loop of the outer fabric.10-02-2014
20140374046Cleaning Apparatus - 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.12-25-2014
20160130760Method for improving efficiency of uhle boxes in the process of paper production by applying a homogeneous mixture of superheated humid air - The invention comprises a method for improving efficiency of uhle boxes in the process of paper manufacturing. The essence of the invention is the use of a homogeneous mixture of superheated humid air in the press section of a paper machine. A very intense mixing of air and steam takes place in venturi injector which creates a mixture, with appropriate composition and temperature, directed to a blowing nozzle. The mixture is then used in the forced flow through felt to a suction slot installed under the felt.05-12-2016
20160145800Felt Conditioner And Cleaner - A method of cleaning or conditioning a paper-making press felt or other substrate is described. The method includes treating the paper-making press felt or other substrate with a formulation that contains at least solketal.05-26-2016
20160177505METHOD FOR CONTROLLING DEPOSITS ON PAPERMAKING SURFACES06-23-2016
162200000 Wire stringing 1
20110192561Method and Device for Installing Seamed Industrial Fabric - A method of installing an industrial fabric on a machine configured to utilize such a fabric includes as a first step: (a) providing an industrial fabric having: a plurality of machine direction (MD) yarns, the MD yarns forming seam loops at first and second ends of the fabric; a first flap attached adjacent the first end and underlying a first portion of the fabric, the first flap including a first zipper track on an edge portion thereof; and a second flap attached adjacent the second end and underlying a second portion of the fabric, the second flap including a second zipper on an edge portion thereof, the second flap able to stretch elastically such that the distance between its attachment to the second portion of the fabric and the second zipper track can increase when a load is applied to the second zipper track. The method comprises the further steps of: (b) positioning the industrial fabric in the machine; (c) intermeshing the first zipper track and the second zipper track; (d) interdigitating the seam loops on the first end and the second end; and (e) inserting a pintle through the interdigitated seam loops. The use of the flaps can help to align the seam loops, thereby facilitating the subsequent insertion of the pintle.08-11-2011

Patent applications in class Conditioning, preparing or repairing of apparatus

Patent applications in all subclasses Conditioning, preparing or repairing of apparatus

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