Patents Assigned to WINDMÖLLER & HÖLSCHER KG
  • Patent number: 10974434
    Abstract: The invention relates to a calibration device (1) for calibrating a blown film (6), said device comprising; —a tubular region (55) with at least one inner wall (92), through which region the blown film (6) can be passed; —a liquid reservoir which provides a liquid and which is situated above the tubular region (55); an inlet region, in which the liquid can be introduced into the space between the outer wall of the blown film (6) and the inner wall (92) of the tubular region (55); and —a scraper device (117), situated below the tubular region (55), by means of which scraper device at least part of the liquid can be removed from the outer surface. The distance of the liquid-removing regions of the scraper device (117) from the main axis of the blown film (6) can be altered.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: April 13, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Jens Goldenstein, Henning Steuter
  • Patent number: 10946575
    Abstract: A device and a method for calibrating a blown film are provided, said device comprising: a tubular region with at least one inner wall, through which region the blown film can be passed; a liquid reservoir, which can be used to provide a liquid and which is situated above the tubular region, the liquid being guidable between the inner wall and the blown film; and a suctioning device, situated below the tubular region, for suctioning off at least part of the liquid from the blown film. At least one liquid-permeable element is provided, said element surrounding at least parts of the periphery of the blown film. This device permits the distance of the liquid-permeable element from the main axis of the blown film to be altered.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: March 16, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Jens Goldenstein, Henning Steuter
  • Patent number: 10894350
    Abstract: An extrusion device that produces plastic film includes at least two feed units that feed feedstock to an extruder, wherein each feed unit has at least one discharge opening including a discharge closure to open and close the discharge opening, and a container interface that reversibly fastens a discharge container that accommodates feedstock discharged from the respective feed unit.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: January 19, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Ansgar Avermeyer, Tobias Kulgemeyer, Markus Bussmann, Martin Backmann
  • Patent number: 10889100
    Abstract: The invention relates to a method (100) for producing an image structure (12) according to an image specification (20), in particular for a letterpress process and/or intaglio printing process, characterized in that the following steps are carried out: a) providing a base (10) for receiving the image structure (12), b) producing an image structure (12) on the base (10) so that an image layer (11) is formed on the base (10) by means of the image structure (12).
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: January 12, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Martin Krümpelmann, Frank Gunschera, Björn Weidmann
  • Patent number: 10882204
    Abstract: The invention relates to a Device (10) for separating a tubular web (11) in two flat webs (12, 13) with an adjustable blade (20) for cutting the tubular web (11) and with a pulling device (30) which impinges the blade (20) with a tensile force (K) on a folding edge (14) of the tubular web (11) wherein the pulling device (30) is configured in a way that the tensile force (K) is adjustable depending on the tubular properties of the tubular web (11) and that the tensile force (K) can be mainly kept constant with constant tubular properties independent from the tubular web (11).
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 5, 2021
    Assignee: Windmöller & Hölscher KG
    Inventor: Werner Beckonert
  • Patent number: 10857780
    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: Grant
    Filed: September 28, 2017
    Date of Patent: December 8, 2020
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Franz Plasswich, Dietmar Poetter
  • Patent number: 10807293
    Abstract: Calibration basket having exchangeable air guiding elements composed of porous material. The invention relates to a guiding device and to methods for guiding a plastic film, wherein the plastic film can be guided by means of an air cushion, wherein the guiding device comprises a plurality of blower elements (31) each having the foil owing features: at least one supporting element (35), at least one film-guiding element (34), which is at least partially porous, preferably microporous, and which is connected to the supporting element (35). At least one fastening element is provided, by means of which the supporting element (35) and the film-guiding element (34) can be detachably fastened to each other.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 20, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Simon Haselmann, Jürgen Linkies, Jens Goldenstein, Markus Bussmann
  • Patent number: 10800087
    Abstract: A film-making machine that produces stretch film includes an outlet device with an outlet gap for outlet of free-flowing film material and a rotatably mounted casting roll that receives the released free-flowing film material on a surface of the casting roll, and a cleaning device with a rotatably mounted cleaning roll that contacts the film material lying on the surface of the casting roll, wherein the cleaning device has an adjusting mechanism with a circumferential adjustment that adjusts a cleaning position of the cleaning roll along a circumferential direction of the casting roll.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: October 13, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Torsten Schmitz, Christian Schlenger, Daniel Stöveken, Waldemar Colell
  • Patent number: 10773441
    Abstract: The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least a melt guidance means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) at the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) in the centre (32) of the melt outlet (30).
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: September 15, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Martin Backmann, Hermann-Josef Jäckering, Markus Bussmann, Bernd Liesbrock, Karsten Golubski
  • Patent number: 10737482
    Abstract: A system for replacement of sleeves that can be slipped on arbors of Wei y transfer rollers of a printing machine has a storage device, in which the sleeves, which are not used in cl current ink transfer, can be stored, and transport devices, with which several sleeves can be transported to the printing machine, Devices for the transfer of the sleeves with which the sleeves can be transported between the storage device, the transport devices, an, the arbors of the ink transfer rollers include devices for receiving the sleeves, which are associated with a robotic arm such that the devices for receiving the sleeves have three degrees of freedom for translation and are rotatable about at least two axes of rotation.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: August 11, 2020
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Franz Plasswich, Dietmar Poetter
  • Patent number: 10703051
    Abstract: A pinched sack, which is made at least partially from a plastic material in the form of a tube section, has at least one pinched bottom at one end of the tube section. At least some of the plastic material is stretched, and at least one pinched bottom is provided by a thermally induced bonding process.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: July 7, 2020
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Uwe Koehn, Andreas Staat, Roger Bannister
  • Patent number: 10654676
    Abstract: The present invention relates to a device (1) for automatically cutting a material web (2) with a longitudinal cutting device (60) using a material web (2) in a longitudinal direction (L) separable in at least a partial web (3) and/or at least a remaining web (4), a discharging device (10) for automatically discharging the produced remaining web (4), a transverse cutting device (70) downstream of a longitudinal cutting device (60) for cutting the remaining web (4) transversely to the longitudinal direction (L).
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 19, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Fabian Sundermann, Frank Hoffmann, Werner Beckonert, Rolf Kammann, Thomas Sehlleier
  • Patent number: 10625458
    Abstract: The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least a melt guidance means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) to the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) into the centre (32) of the melt outlet (30).
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: April 21, 2020
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventors: Martin Backmann, Hermann-Josef Jäckering, Markus Bussmann, Bernd Liesbrock, Karsten Golubski
  • Patent number: 10618763
    Abstract: The invention relates to a method for adapting at least one winding parameter of a winding device during winding of a film web on a winding core, having the following steps: —conveying of the film web along a measuring path between a first driven roll and a second driven roll—increasing of the web tension of the film web between the first roll and the second roll—continuous detecting of the drive parameters of the first roll and of the second roll at least in the form of the torque and the circumferential speed, —determining of a stress-strain diagram from the detected drive parameters—adapting of at least one winding parameter of the winding device on the basis of the determined stress-strain diagram in order to achieve a defined elongation of the film web during winding on the winding core.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: April 14, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Tim Kirchhoff, Frank Hoffmann, Martin Backmann
  • Patent number: 10611054
    Abstract: The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30) wherein between the melt inlet (20) and the melt outlet (30) at least one melt guidance means (40) is assembled for a rearrangement of the molten material (200) from the center (22) of the melt inlet (20) to the edge (34) of the melt outlet (30) and for rearrangement of the molten material (200) from the edge (24) of the melt inlet (20) into the center (32) of the melt outlet (30).
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: April 7, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Martin Backmann, Hermann-Josef Jäckering, Markus Bussmann, Bernd Liesbrock, Karsten Golubski
  • Patent number: 10596741
    Abstract: The invention relates to a blown film extrusion device with a blow head and with an insulation, which comprises a heat resistance for thermal insulation of the blow head in relation to the outer ambient air, wherein the blown film extrusion device comprises elements for controlling the heat resistance.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: March 24, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Henning Steuter, Jens Goldenstein, Markus Bussmann
  • Publication number: 20200086546
    Abstract: The invention relates to a method (100) for controlling a film production in which at least one film is produced depending on at least one specific recipe information (R), where the following steps are performed: providing different fingerprints (F), the fingerprints (F) characterizing different method executions (210) for producing a film, providing in each case at least one result information (E) for the respective fingerprint (F), the result information (E) being specific for at least one product property (D) of the produced film, storing the fingerprints (F) and result information (E) as data in a data system (200) so that the data is provided as a basis for evaluation for controlling at least one subsequent method execution (210).
    Type: Application
    Filed: April 20, 2018
    Publication date: March 19, 2020
    Applicant: Windmöller & Hölscher KG
    Inventors: Martin BACKMANN, Markus BUSSMANN
  • Patent number: 10584010
    Abstract: Aspects of the present innovations relate to an auxiliary device for aligning a winding sleeve particularly on a sleeve acceptance of a winding machine with a reference. In one illustrative implementation, an auxiliary device may comprise an auxiliary body with an stop device or stop means which is configured for contact with the counter stop device or counter stop means at the winding sleeve. According to further aspects, the present innovations may comprise a method for aligning a winding sleeve with a reference.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: March 10, 2020
    Assignee: Windmöller & Hölscher KG
    Inventor: Oliver Koser
  • Patent number: 10576660
    Abstract: The present invention relates to an overturning device (10) for overturning a molten material (200) in a melt channel (110) comprising a melt inlet (20) and a melt outlet (30), wherein between the melt inlet (20) and the melt outlet (30) at least one melt guiding means (40) is assembled for a rearrangement of molten material (200) from the centre (22) of the melt inlet (20) to the edge (34) of the melt outlet (30) and for a rearrangement of molten material (200) from the edge (24) of the melt inlet (20) into the centre (32) of the melt outlet (30).
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: March 3, 2020
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventors: Martin Backmann, Hermann-Josef Jäckering, Markus Bussmann, Bernd Liesbrock, Karsten Golubski
  • Publication number: 20200047374
    Abstract: The invention relates to a method for changing the material from a feed mixture to a subsequent mixture in a feed device of an extruder, comprising the following steps: detecting a change request for changing the material, emptying a mixing area of a mixing device of the feed device, identifying the completion of the emptying of the mixing area, and filling the mixing area of the mixing device with the subsequent mixture after the completion of the emptying has been identified.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 13, 2020
    Applicant: Windmöller & Hölscher KG
    Inventors: Martin BACKMANN, Tobias KULGEMEYER, Gerhard MIDDELBERG