Patents Assigned to WINDMÖLLER & HÖLSCHER KG
  • Reversing device for a film web by means of an expander roller
    Patent number: 10011451
    Abstract: A reversing device for a film web, which has a take-off device, has at least one turning device and at least one deflecting roller. The film web can be guided by the take-off device via the at least one turning device and the at least one deflecting roller to a winding device. The axes of the take-off device, the at least one turning device, and the at least one deflecting roller are adjustable in angle relative to one another. The at least one deflecting roller is formed as an expander roller having an expanding capacity which increases towards the end faces of the deflecting roller.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: July 3, 2018
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Markus Bussmann, Tim Kirchhoff, Frank Hoffmann
  • Winder for an endless material web
    Patent number: 10005635
    Abstract: The present invention relates to a method and a device for producing a roll (18) made of a material web (5) of flexible material which is guided via a contact roller (19) of a winder and is wound in the said winder to form a roll (18), wherein the contact roller (19) maintains contact with the roll (18) during winding and the wrap angle (?) of the material web (5) passing over the contact roller (19), as the former is progressively wound, is maintained throughout at a variable reference value predetermined for each winding. In this way the wrap angle (?) for the winding can be adapted to the respective composition of the material web (5), which improves the quality of the winding.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: June 26, 2018
    Assignees: Swiss Winding Inventing AG, Windmöller & Hölscher KG
    Inventors: Carlos Martinez, Rolf Kammann, Carl Jones
  • Supply device for the supply of filled sacks to a palletizing device
    Patent number: 9988222
    Abstract: The invention relates to a supply device for the supply of filled sacks to a palletizing device, comprising a main supply belt for the supply of a first row of filled sacks on a sliding area of the palletizing device, wherein beneath the main supply belt at least one secondary feed belt is assembled for the supply of another row of filled sacks on the sliding area beneath a first row of filled sacks.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: June 5, 2018
    Assignee: Windmöller & Hölscher KG
    Inventors: Martin Kölker, Ralf Ahlers
  • Method for monitoring a winding device
    Patent number: 9969584
    Abstract: The invention relates to a method for monitoring a winding device (10), comprising the following steps: Displaying of a schematic illustration of functional units (20) of the winding device (10) on a display device (30), Detection of at least one operating parameter (40) of at least one functional unit (20) of the winding device (10), Displaying of the at least one detected operating parameter (40) on the display device (30) next to the schematic illustration of the corresponding functional unit (20).
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: May 15, 2018
    Assignee: Windmöller & Hölscher KG
    Inventors: Michael Ostendorf, Frank Hoffmann
  • Palletizing device for a piling of filled sacks
    Patent number: 9963306
    Abstract: A palletizing device for a piling of layers from at least two rows of filled sacks to a sack stacking comprising a sliding device with a sliding area for the formation of a layer of filled sacks and a supply device with at least a conveyor belt for the supply of filled sacks in a feed position on the sliding area, wherein the sliding device comprises a sliding table beneath the sliding area and a slider for sliding of the filled sacks from a sliding position on the sliding area on the sliding table, wherein the conveyor belt is performed in a way that a supply distance between a feed position and the sliding position is smaller than a sliding distance between the sliding position and a frame of the sliding device at the supply edge of the conveyor belt.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: May 8, 2018
    Assignee: Windmöller & Hölscher KG
    Inventors: Martin Kölker, Ralf Ahlers
  • METHOD FOR CHANGING THE MATERIAL IN AN EXTRUSION DEVICE
    Publication number: 20180093395
    Abstract: The present invention relates to a method for changing material in an extrusion device comprising at least two supply devices for supplying feedstock for an extruder, comprising the following steps: identifying a change request for changing the material in the extrusion device, preparing the supply devices for changing the material, separating at least two supply devices from the feed of feedstock to the extruder, discharging feedstock from the separated supply devices, filling subsequent material into the empty supply devices.
    Type: Application
    Filed: December 5, 2017
    Publication date: April 5, 2018
    Applicant: Windmöller & Hölscher KG
    Inventors: Ansgar AVERMEYER, Tobias KULGEMEYER, Markus BUSSMANN, Jens MINNERUP, Martin BACKMANN
  • METHOD FOR CHANGING THE MATERIAL IN AN EXTRUSION DEVICE
    Publication number: 20180093405
    Abstract: The present invention relates to a method for changing material in an extrusion device comprising at least two supply devices for supplying feedstock for an extruder, comprising the following steps: identifying a change request for changing material in an extrusion device, predetermining a production stability for a time after the material of at least one supply device has been changed, comparing the predetermined production stability to a threshold value of stability, changing the material in at least one supply device depending on the result of comparison.
    Type: Application
    Filed: December 5, 2017
    Publication date: April 5, 2018
    Applicant: Windmöller & Hölscher KG
    Inventor: Martin Backmann
  • SLEEVE EXCHANGE SYSTEM
    Publication number: 20180086046
    Abstract: A system for the replacement of sleeves that can be slipped on arbors of ink transfer rollers of at least printing machine has a storage device, in which the sleeves not being, used in current ink transfer can be stored, and a transport device, with which several sleeves can be transported to the printing machine. The system has a transfer device the facilitates the transfer of the sleeves between the storage device and/or the transport device and the arbors of the ink transfer rollers, and/or between the storage device and the transport device.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 29, 2018
    Applicant: Windmoeller & Hoelscher KG
    Inventors: Franz PLASSWICH, Dietmar Poetter
  • SLEEVE EXCHANGE SYSTEM
    Publication number: 20180086047
    Abstract: A system for the replacement of sleeves that can be slipped on arbors of ink transfer rollers of at least printing machine has a storage device, in which the sleeves not being used in current ink transfer can be stored, and a transport device, with which several sleeves can be transported to the printing machine.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 29, 2018
    Applicant: Windmoeller & Hoelscher KG
    Inventors: Franz PLASSWICH, Dietmar POETTER
  • Film product
    Patent number: 9914254
    Abstract: The invention relates to a film product (10) comprising a substantially continuous extension with an upper side (12), a lower side (14) and two laterally extending edges (16a), characterised in that a continuous edge portion (20a) made from a first material is arranged on each of the two edges (16a) and a continuous main portion (30) made from a second material is arranged between the edge portions (20a), the first material having a higher surface adhesion than the second material.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: March 13, 2018
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventor: Jürgen Linkies
  • Calibrating device for a blown film tube
    Patent number: 9889593
    Abstract: A calibration device for calibrating a film hose produced via a blow-extrusion film device, by which the film hose can be brought into a desired diameter, has at least one film guiding element, by which the film hose can be guided. The film guiding element includes at least one elastically deformable element.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: February 13, 2018
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventor: Jens Goldenstein
  • Drying device, system comprising a drying device and method for operating a drying device for drying between inking units of a printing machine
    Patent number: 9840073
    Abstract: The invention relates to a drying device (10) for a drying between inking units of a printing machine (1), with which a substrate (2) can be transported via rotating cylinders (3.1, 3.2, 3.3) and is printable with a coloring agent (4), with an air supply unit (11) for supplying of air (5) in direction of the substrate (2) in order to effect a drying of the coloring agent (4), a suction unit (12) for discharging the air (5), a control unit (20), which controls and/or regulates the air supply unit (11) in dependence of the operating parameters (B) in a way that altering drying areas (13.1, 13.2, 13.3) are adjustable at the substrate (2).
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: December 12, 2017
    Assignee: Windmöller & Hölscher KG
    Inventors: Andreas Ihme, Frank Westhof, Dietmar Pötter, Markus Bauschulte, Martin Krümpelmann, Moritz Koplin, Frank Gunschera
  • Device for cooling a film, comprising a lever system
    Patent number: 9810488
    Abstract: The invention relates to a device for cooling a film (1) which can be produced in a film extrusion system in particular, comprising a housing (11) that has at least one channel (12), at least one inlet opening (13), and at least one outlet opening (14) through which a cooling gas (2) can flow and comprising an adjusting arrangement (10) with which the cooling gas (2) volumetric flow rate that can flow out of the outlet opening (14) and the temperature of the cooling gas (2) that can flow out of the outlet opening (14) can be adjusted. According to the invention, the adjusting arrangement (10) comprises a lever system which has a movable actuator (15) and a movable valve element (16), said actuator (15) acting on the valve element (16) such that an actuating effect of the valve element (16) is reinforced.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: November 7, 2017
    Assignee: Windmöller & Hölscher KG
    Inventors: Ingo Rübbelke, Markus Joppe
  • Appartus for, and method of, producing a bag from paper, and paper bag
    Patent number: 9802378
    Abstract: A bag machine for production of bags made of paper material includes an unwinding device to unwind and feed paper material in a transport direction (x), a device to produce weakening lines partially offset in direction (x), so that a first wall of the bag continues in at least one tab that extends beyond a second wall, a tube-forming device, in which side areas are folded to form an overlapping area, a separation device to separate tube sections along the weakening lines, and a bottom formation device, in which areas of a leading end of the tube section are folded and fastened onto an outer wall thereof. The machine has a device for application of adhesive surfaces to the paper material, with which an adhesive surface is applied to an area of the paper material that represents the side of the tab facing the second wall in the finished bag.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: October 31, 2017
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventor: Joerg Christian Thies
  • Method for adjusting the print repeat length of a print image in a multicolor rotary printing machine
    Patent number: 9789680
    Abstract: A method of adjusting the print repeat length of a print image in a multicolor rotary printing machine, particularly a flexographic printing press, having a central impression cylinder, a first plate cylinder, and a second plate cylinder, including modifying the peripheral velocity of the first plate cylinder and the peripheral velocity of the second plate cylinder during printing operation, relative to the peripheral velocity of the central impression cylinder, and adjusting the longitudinal register of the first plate cylinder having the modified peripheral velocity and the longitudinal register of the second plate cylinder having the modified peripheral velocity.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: October 17, 2017
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Mario Frankenberg, Rainer Ehrenberg, Frank Westhof, Uwe Hoewelmeyer
  • Device for suctioning off waste products from a production machine, comprising a suction element
    Patent number: 9764896
    Abstract: The invention relates a device for suctioning off waste products of the production machine comprising a suction chamber at which at least a suction element is assembled which extends into a suction space, which is outside the suction chamber in order to convey waste products into the suction chamber, wherein the suction element comprises an inlet area, which is facing the suction space and an outlet area, which ends in the suction chamber.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: September 19, 2017
    Assignee: Windmöller & Hölscher KG
    Inventor: Thomas Sehlleier
  • Method for determining the winding quality of a film roll
    Patent number: 9731929
    Abstract: Method for the determination of the winder quality of a film roll (10) of a film (30) on a winder roller (20) comprising the following steps: determination of the roll hardness (WH) of the film roll (10) during the winding on of the film (30) on the winder roller (20), determination of a variation from the determined roll hardness (WH) of the film roll (10) from at least one standard value (V1, V2) for the roll hardness (WH) of the film roll (10), determination of the film roll (10) using the determined variation.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 15, 2017
    Assignee: Windmöller & Hölscher KG
    Inventor: Frank Hoffmann
  • Device for adjusting an operating parameter of ink for a printing process of a rotary printing press as well as method therefor
    Patent number: 9731499
    Abstract: A device for setting at least one operating parameter of ink for a printing process of a rotary printing press having an inking system which has a doctor blade device with a doctor blade chamber containing the ink for the printing process, and an ink reservoir from which ink can be supplied to the doctor blade chamber, includes a supply system which allows ink to be supplied inside the inking system. The supply system can be switched to a setting mode (I) or to a production mode (II), the operating parameter being automatically set in the setting mode (I) and no ink being supplied to the doctor blade chamber, and the supply system supplying ink to the doctor blade chamber in the production mode (II).
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: August 15, 2017
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Lutz Telljohann, Frank Hasselmann, Andreas Ihme
  • Device and method for guiding a blown film
    Patent number: 9724867
    Abstract: The invention relates to a guiding device for guiding a blown film between a film blowing die and a take-off roller device, comprising at least two lateral guides located opposite one another for laterally guiding the blown film, wherein at least one lateral guide is provided with a first guide segment and a second guide segment, which are connected to one another in an articulated manner. At least one lever kinematics is provided, which is in drive connection with a drive device, and which is interconnected with the two guide segments such that when the drive device is actuated by way of the lever kinematics, the angles of attack (?a, ?e) of the two guide segments to the conveyance direction (F) of the blown film can be varied.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: August 8, 2017
    Assignee: Windmöller & Hölscher KG
    Inventor: Tim Oberdalhoff
  • Die device for an extrusion blow-moulding apparatus for producing a multilayered blown film
    Patent number: 9713896
    Abstract: The invention relates to a die device (10) for an extrusion blow-molding apparatus (100) for producing a multilayered blown film (300), with an inner surface (310) and an outer surface (320), having a die orifice for the discharge of a multilayered material melt (300), wherein a temperature-control device (30) is arranged in order to set a different temperature on the two sides (310, 320) of the material melt (300). The invention also relates to a method for equalizing the differences in viscosity of the materials of the layers (350) by a controlled (40, 60) temperature setting.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: July 25, 2017
    Assignee: Windmöller & Hölscher KG
    Inventors: Ingo Rübbelke, Markus Joppe