Patents Assigned to WINDMÖLLER & HÖLSCHER KG
  • Sleeve exchange system
    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
  • Fabric pinch sack-making machine, pinch sack and method for the production thereof
    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
  • Apparatus for automatically cutting and discharging a web of material, and associated method
    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
  • Overturning device for overturning molten material and rinsing method
    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
  • Method for adapting at least one winding parameter of a winding device
    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
  • Overturning device for overturning molten material and purging method
    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
  • Blown film extrusion device and method for controlling the temperature
    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
  • METHOD FOR CONTROLLING FILM PRODUCTION
    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
  • Auxiliary device for aligning a winding sleeve as well as methods for aligning a winding sleeve
    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
  • Overturning device for overturning molten material and purging method
    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
  • METHOD FOR PERFORMING A MATERIAL CHANGE IN A FEEDING DEVICE OF AN EXTRUDER
    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
  • Packing arrangement and method for packing a product
    Patent number: 10543940
    Abstract: A packaging unit includes at least two of a bagging unit, a pallet loading device, and a pallet securing device. The bagging unit, the pallet loading device, and the pallet securing device are connected to each other via at least one data transmission device.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: January 28, 2020
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Thomas Hawighorst, Martin Hohenbrink, Daniel Narberhaus
  • Extrusion tool with heating of the outlet region, method for producing a tubular plastics film
    Patent number: 10538024
    Abstract: The invention relates to an extrusion tool (10) for a film blow head (1) of a tubular extrusion system for extrusion of a tube (2) from a plastic melt (3) with a tool body (11), which comprises a melting channel (12) for a configuration of a tube (2), wherein the tool body (11) comprises a collar area (13) with an outlet opening (14) for the tube (2).
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: January 21, 2020
    Assignee: Windmöller & Hölscher KG
    Inventors: Ingo Rübbelke, Mathias Gersmann
  • Detection device for the use in a bag filling plant
    Patent number: 10526101
    Abstract: A bag filling plant includes a detection device for detecting a thickened section of a film web associated with an end of a first film and a start of a second film. The detection device includes a first film roll and a second film roll, which contact the film web on side areas aligned opposite each other and which form a conveyer gap for the film web, with the first film roll being movably supported relative to the second film roll in order to alter the conveyer gap. The detection device includes a sensor device that detects a motion of the first conveyer roll.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: January 7, 2020
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Hans-Ludwig Voss, Oliver Huil, Ralf Udally
  • Method for forming a hose comprising a flat web material as well as a hose formation device and a system for producing bags
    Patent number: 10526158
    Abstract: A method of forming a hose from a flat web material includes supplying the flat web material via a feeding device, folding the edges of the flat web material with at least one hose formation tool, with the edge sections subsequently overlapping, and connecting to each other parts of the overlapping edge sections, A target position of at least one edge is determined after the edges have been folded over, with the actual position of at least one edge being determined by a measuring device. In the event of a deviation of the actual position from the target position, the hose formation tool is moved, via an actuator, at least perpendicular relative to the direction of transportation of the flat web material.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: January 7, 2020
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventor: Uwe Wolfram
  • Method and device for the indirect determination of a specific formulation during extrusion
    Patent number: 10518460
    Abstract: The invention relates to a method for the indirect determination of a specific formulation with an extrusion process in an extrusion device (10) comprising the following steps: determination of measurement data of at least one processing parameter of the extrusion process of the extrusion device (10), comparing the determined measurement data with saved data saved in relation to the specific formulation of the same processing parameter, determination of the deviation of the measurement data from the saved data of the same processing parameters and comparing of the deviation with a predefined deviation threshold.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: December 31, 2019
    Assignee: Windmöller & Hölscher KG
    Inventor: Torsten Schmitz
  • Winding shaft for receiving at least one winding core
    Patent number: 10513410
    Abstract: The invention relates to a winding shaft (1) for receiving at least one winding core, said winding shaft having a shaft body (2) made of fiber-reinforced plastic, preferably CFRP, having two bearing points (4, 5) at each end of the winding shaft, having radially displaceable clamping elements (20) distributed over the circumference and over the axial length for clamping, holding and releasing the winding cores. The winding shaft is designed to hold winding cores having an inside diameter of a maximum of 80 mm.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: December 24, 2019
    Assignee: Windmöller & Hölscher KG
    Inventor: Frank Hoffmann
  • Advancing device for advancing a film web in a bag filling installation
    Patent number: 10472107
    Abstract: The invention relates to an advancing device (10) for advancing a film web (200) in a bag filling installation (100, having a main advancing drive (20) with at least one driven main advancing roller (22) for advancing the film web (200), wherein for an adjustment of the tensile stress of the film web (200) in the transport direction (T) of the film web (200) an auxiliary advancing drive (30) is disposed before the main advancing drive (20) with at least one driven auxiliary advancing roller (32) for advancing the film web (200).
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: November 12, 2019
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventors: Hans-Ludwig Voss, Oliver Huil, Ralf Udally, Thomas Hawighorst, Rüdiger Große-Heitmeyer, Roman Smid
  • Roll-removal device, winding device and method for transporting away a plurality of rolls which have been wound to completion
    Patent number: 10464766
    Abstract: The invention describes a roll-removal device by means of which a plurality of rolls which have been wound to completion are transported away from a winding shaft having a displacement device for displacing the rolls relative to the winding shaft, in order to withdraw the rolls from the winding shaft, having a receiving device for receiving the rolls, and having a transfer device for transferring the rolls from the displacement device to the receiving device, wherein the rolls can be rolled freely at least in certain regions, the rolls rolling about their rolling axes. By means of this device for changing the position of the rolls axes, the roll axes of two adjacent rolls can be moved to an angle of less than 180 degrees in relation to one another.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: November 5, 2019
    Assignee: Windmöller & Hölscher KG
    Inventors: Tim Oberdalhoff, Werner Beckonert
  • Suction nozzle for a suction device
    Patent number: 10399811
    Abstract: The present invention relates to a Suction nozzle (110) for a suction device (100) for conveyance of cut waste strips (210) of a film web (200) comprising a nozzle duct (10) with a nozzle inlet (12) for suctioning the waste strips (210) and with a nozzle outlet (14) for introducing the waste strips (210) into the suction duct (130), wherein the nozzle duct (10) comprises an inlet portion (12a) adjacent to the nozzle inlet (12) and an outlet portion (14a) adjacent to the nozzle outlet (14) and between the outlet portion (14a) and the inlet portion (12a) an at least one rotation portion (16a) is assembled, whose flow cross section (20) is at least partially twisted over the run of the rotation portion (16a).
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: September 3, 2019
    Assignee: Windmöller & Hölscher KG
    Inventors: Fabian Sundermann, Frank Hoffmann