Patents Assigned to Windmoller & Holscher
  • 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
  • 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
  • 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
  • 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
  • Patent number: 9828189
    Abstract: A device for turning over an object, particularly a package of stacked sacks, having a holder device for the purpose of receiving, turning over, and releasing the object, the holder device including two transport elements for conveying the object, and having a rotary device for rotating the transport elements about a stationary axis of rotation, the rotary device including a rotatable frame to fasten the transport elements on both sides thereof, where the transport elements are fastened to the frame in a manner allowing movement, where the rotary device has a rotary drive which drives the frame on both sides.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: November 28, 2017
    Assignee: WINDMOLLER & HOLSCHER KG
    Inventors: Guido Tillman, Alexander Titz
  • Publication number: 20170326776
    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: Application
    Filed: December 11, 2015
    Publication date: November 16, 2017
    Applicant: Windmoller & Hölscher KG
    Inventors: Torsten Schmitz, Christian Schlenger, Daniel Stöveken, Waldemar Colell
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 9708103
    Abstract: The invention relates to a receptacle (10), in particular a flexible bag (10) made of paper, with a front part (20), a back part (30) and a bottom (50), which is closed by a bottom unit, and with an opening (1) lying opposite the bottom (50), wherein the bottom unit has a bottom portion (120) of the front part (20) and a bottom portion (130) of the back part (30), the bottom portion (130) of the back part (30) is shorter than the bottom portion (120) of the front part (20), such that the bottom portion (120) of the front part (20) is secured directly on the back part (30) by turning the bottom unit (100) back along a fold line (101), and the opening (1) is formed by a peripheral edge (2) which extends at a height of the front part (20) and of the back part (30) and which is at least partially frayed, thereby reducing the danger of injury at the edge (2).
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: July 18, 2017
    Assignee: Windmöller & Hölscher KG
    Inventor: Jörg-Christian Thies
  • Patent number: 9656824
    Abstract: The invention relates to a reel handling system for a winder (50), in which bobbins (1) with a material web (2) can be applied, with the result that a plurality of reels (3) which are wound on the bobbins (1) with a material web (2) are produced, having a feed unit (10), in order to transfer a plurality of bobbins (1) to a receiving unit (20), wherein the receiving unit (20) is arranged movably between the feed unit (10) and a transfer station (60), by way of which receiving unit (20) bobbins (1) can be transferred to the winder (50) and reels (3) can be transferred from the winder (50) to the transfer station (60), wherein a positioning device (80) is provided between the transfer station (60) and the feed unit (10), which positioning device (80) brings about positioning of the bobbins (1) during the movement of the receiving unit (20) in the direction of the transfer station (60).
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: May 23, 2017
    Assignee: Windmöller & Hölscher KG
    Inventors: Rainer Jendroska, Tristan Zesiger
  • Patent number: 9656823
    Abstract: The invention relates to a reel handling system for a winder (50), in which bobbins (1) with a material web (2) can be applied, with the result that a plurality of reels (3) which are wound on the bobbins (1) with a material web (2) are produced, having a feed unit (10), in order to transfer a plurality of bobbins (1) to a receiving unit (20), wherein the receiving unit (20) is arranged movably between the feed unit (10) and a transfer station (60), by way of which receiving unit (20) bobbins (1) can be transferred to the winder (50) and reels (3) can be transferred from the winder (50) to the transfer station (60), wherein the transfer station (60) has a holding device (61), to which a winding shaft (62) is fastened releasably on one side, wherein the bobbins (1) can be pushed onto the winding shaft (62) during the movement of the receiving unit (20) in the direction of the transfer station (60).
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: May 23, 2017
    Assignee: Windmöller & Hölscher KG
    Inventors: Rainer Jendroska, Tristan Zesiger
  • Patent number: 9604810
    Abstract: The invention relates to a roll handling system for a winder (50) in which cores (1) are applicable each with a material web (2) so that a plurality of rolls (3) consisting of cores (1) wound with the material web (2) are produced with a supply unit (10) in order to transfer a plurality of cores (1) to a receiving unit (20), wherein the receiving unit (20) is movably assembled between the supply unit (10) and a transfer station (60) with which cores (1) are transferable to the winder (50) and rolls (3) are transferable from the winder (50) to the transfer station (60). According to the invention the receiving unit (20) comprises a first contact surface (23) with positioning means (24) in order to align the core (1) at the receiving unit (20) via a positioning device (80) assembled between the supply unit (10) and the transfer station (60).
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: March 28, 2017
    Assignee: Windmöller & Hölscher KG
    Inventors: Rainer Jendroska, Tristan Zesiger
  • Patent number: 9446548
    Abstract: A device for suctioning of waste products of a production machine, particularly a sheet extruder, with a suction chamber. At least one suction element extends into a suction space located outside the suction chamber in order to convey waste products in the suction chamber. A suction unit develops a negative pressure in the suction chamber. A sealing means abuts the suction element and locks the suction chamber in a way such that the suction element is movable along the sealing means. The position of the suction element at the suction chamber is variably adjustable.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: September 20, 2016
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventor: Thomas Sehlleier
  • Publication number: 20160236887
    Abstract: The invention relates to a winding device for winding a web-shaped material, preferably a plastic film, said winding device comprising: a reel for receiving the web-shaped material, a contact roller for feeding and pressing the web-shaped material against the reel, a device for rotationally driving a still empty reel, a device for feeding the still empty reel to the contact roller. The device for rotationally driving the still empty reel and the device for feeding the still empty reel to the contact roller can act simultaneously on the still empty reel.
    Type: Application
    Filed: October 15, 2014
    Publication date: August 18, 2016
    Applicant: Windmöller & Hölscher KG
    Inventors: Gerd RATZ, Christian HEUMANN
  • Publication number: 20160207725
    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: Application
    Filed: May 28, 2014
    Publication date: July 21, 2016
    Applicant: WINDMÖLLER & HÖLSCHER KG
    Inventors: Michael OSTENDORF, Frank HOFFMANN
  • Publication number: 20160158990
    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: Application
    Filed: May 28, 2014
    Publication date: June 9, 2016
    Applicant: Windmöller & Hölscher KG
    Inventors: Henning STEUTER, Jens GOLDENSTEIN, Markus BUSSMANN
  • Publication number: 20160107860
    Abstract: The invention relates to a reel handling system for a winder (50), in which bobbins (1) with a material web (2) can be applied, with the result that a plurality of reels (3) which are wound on the bobbins (1) with a material web (2) are produced, having a feed unit (10), in order to transfer a plurality of bobbins (1) to a receiving unit (20), wherein the receiving unit (20) is arranged movably between the feed unit (10) and a transfer station (60), by way of which receiving unit (20) bobbins (1) can be transferred to the winder (50) and reels (3) can be transferred from the winder (50) to the transfer station (60), wherein a positioning device (80) is provided between the transfer station (60) and the feed unit (10), which positioning device (80) brings about positioning of the bobbins (1) during the movement of the receiving unit (20) in the direction of the transfer station (60).
    Type: Application
    Filed: March 13, 2014
    Publication date: April 21, 2016
    Applicant: Windmoller & Holscher KG
    Inventor: Rainer Jendroska