Patents Assigned to Windmoeller & Hoelscher
  • Patent number: 11161651
    Abstract: A pinch bottom sack fillable with bulk good includes a sleeve with at least one area element, wherein the sleeve includes a mesh and the area element a handle means including a load element at which a load force is applicable for lifting the sack, and the load element is configured such that it extends at least in some areas at least in a load condition in which the load force acts at the load element opposite to an outer side of the area element.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: November 2, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Thomas Bruns, Peter Lüttmann
  • Patent number: 11148341
    Abstract: The invention relates to a method (100) for evaluating at least one industrial process for the film production of a film and/or for the further processing using the film, comprising at least one production device (20) which is operated for the production of the film, and at least one further processing device (30) which is operated for further processing using the film.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: October 19, 2021
    Assignee: Windmöller & Hölscher KG
    Inventor: Torsten Schmitz
  • Patent number: 11148894
    Abstract: The invention relates to a monitoring method (100) for monitoring a winding process on a winding device (1), comprising: providing (104) a correlation of an irregularity (12) of a web material (11) to a running parameter (13) of the reel (10) for an unwinding process. The invention further relates to a control method (200) for performing an unwinding process on an unwinding device, comprising: obtaining (201) a correlation of an irregularity (12) of a web material (11) to at least one running parameter (13) of a reel (10) from a winding process. Furthermore, the invention relates to a processing method (300) for performing a process of processing a web material (11). Furthermore, the invention relates to a winding device (1) for performing a winding process of a web material (11) to a reel (10), an unwinding device (2) for performing an unwinding process of a web material (11) of a reel (10) and a processing system (3) for processing a web material (11).
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 19, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Uwe Köhn, Oliver Huil
  • Patent number: 11141904
    Abstract: The invention relates to a method for monitoring a film quality in the production of a plastic film, comprising the following steps: —determining a first temperature (10) of a film material (1) of the plastic film during a transport of the film material (1), in which the film material (1) is cooled along a conveying direction (2) of the film material (1). The invention further relates to a film machine (50) comprising a device for monitoring a film quality in the production of a plastic film.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: October 12, 2021
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventors: Torsten Schmitz, Daniel Faustmann, Bernd-Alexander Groepper
  • Patent number: 11141891
    Abstract: The present invention relates to a device (10) for the generation of a negative pressure for stabilizing a melt strip (200) in the area of a transport device (120) of a film machine (100) particularly with a production process of a plastic film (230) comprising: at least one main chamber (20) for generating a first negative pressure in a first influence area (310) at least one auxiliary chamber (30) for generating a second negative pressure in a second influence area (320), wherein the first influence area (310) is assignable to at least one main area (210) of the melt strip (200) and the second influence area (320) is assignable to at least one edge area (220) of the melt strip (200) adjacent to the main area (210), and wherein the first negative pressure differs from the second negative pressure in order to effect a stabilization of the melt strip (200).
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: October 12, 2021
    Assignee: Windmöller & Hölscher KG
    Inventor: Torsten Schmitz
  • Patent number: 11123941
    Abstract: A system for manufacturing sacks or bags includes at least two sack or bag producing machines which control components are assigned to, and which are connected with each other by at least one transport device and/or one storage device. The system includes a control unit configured such that manufacturing speeds of the two sack or bag producing machines can be transmitted to and/or processed by the control unit. The control unit is configured such that it proposes and/or sets the manufacturing speed of the two sack or bag producing machines based on system operating parameters.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: September 21, 2021
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Franz-Josef Dieckmann, Andreas Schroedter, Thomas Hawighorst
  • Patent number: 11117305
    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: Grant
    Filed: December 5, 2017
    Date of Patent: September 14, 2021
    Assignee: Windmöller & Hölscher KG
    Inventor: Martin Backmann
  • Patent number: 11090851
    Abstract: A method of monitoring stretchability of stretch films in a cast film method includes determining a position of a frost line of a film material, which is solidifying to form a film web, on a casting roller of a film machine, ascertaining a correlation of the determined position of the frost line with at least one target position, and comparing the ascertained correlation to at least one stretchability of the film material, which is assigned to the at least one target position.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 17, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Torsten Schmitz, David Finnemore, Daniel Faustmann, Waldemar Colell, Bernd-Alexander Gröpper
  • Patent number: 11091329
    Abstract: The invention concerns a conveying device (10) for conveying filled bags (1, 2), comprising a conveying unit (13) by which at least part of a conveying path (3) for conveying filled normal bags (1) can be formed from a feeding station (101) to a stacking area (105). The invention also concerns a system (100) for stacking filled bags (1, 2) and a method for stacking filled bags (1, 2).
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: August 17, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Thomas Hawighorst, Rafael Imberg, Timo Raude
  • Patent number: 11077599
    Abstract: The invention relates to a calibrating device and to a method for calibrating a film tube. An elastically deformable element (704) is secured to the sleeve (703) such that a fluid, in particular a gas, preferably air, can be introduced or discharged via a fluid connection such that a specific pressure P1 and/or a specific volume V1 is set in an area (708) enclosed by the sleeve and the elastically deformable element at a given temperature. Annular bodies (706) and (707) are arranged within the area (708), and a surface section of each annular body (706), (707) supports a respective region of the elastically deformable element (704). The elastically deformable element (704) regions which are supported by the annular bodies are located in the inlet region (711) and the outlet region (712) of the calibrating device for the film tube (713).
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 3, 2021
    Assignee: Windmöller & Hölscher KG
    Inventor: Jens Goldenstein
  • Patent number: 11078041
    Abstract: The invention relates to a monitoring method (100) for monitoring an unwinding process of an unwinding device (2), comprising the following steps: at least partially unwinding (101) a web material (11) from a reel (10), detecting (102) at least one irregularity (12) of the web material (11) and/or the unwinding process. Furthermore, the invention relates to an unwinding device (2) for performing an unwinding process as well as an unwinding system (5) for performing an unwinding process.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: August 3, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Uwe Köhn, Oliver Huil
  • 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