Patents Assigned to Windmoeller & Hoelscher KG
  • Patent number: 11498712
    Abstract: The invention describes a filling device with a discharge container for filling upwardly open packaging containers with at least one opening flap for opening and closing a discharge opening for the product, the opening flap being moveable along a path between a closed position and an open position by means of a driving element. At least one delay device is provided by means of which the movement of the opening flap may be delayed on a section of the path.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: November 15, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Hans-Ludwig Voss, Oliver Huil, Christian Häger, Ralf Udally
  • Patent number: 11401076
    Abstract: The invention relates to a valve bag, in particular a cross-bottom valve bag, comprising a first wall and a second wall, which are joined to each other by means of side edges or side folds and by means of bottoms and which delimit a bag interior, comprising a valve, which is arranged in one of the bottoms and via which the bag interior can be filled with a filling material, and comprising venting openings in the first and/or in the second wall for venting the bag interior. At least one channel is provided on the outside of at least one wall, which channel covers the venting openings and is formed at least by two parallel fastening strips and by a cover strip, the cover strip likewise comprising venting openings, and wherein the shortest path between the parallel fastening strips along the cover strip is longer than the shortest path along the at least one wall or the cover strip, and/or the parallel fastening strips consist of stretchable material.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: August 2, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Andreas Lamkemeyer, Michael Jung, Uwe Köhn, Jakob Derksen, Andreas Kleemann
  • Patent number: 11390009
    Abstract: The invention relates to a method for the online monitoring of film quality during a production process for a plastic film, in particular a blown film or a continuously cast film, in which method the film material (1) is fed out of an outlet device (40) that is designed as a melt lug (4) by a transport device (10). The film material (1) cools on or in front of the transport device (10) and the film material (1) solidifies in front of or on the transport device (10).
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: July 19, 2022
    Assignee: Windmöller & Hölscher KG
    Inventor: Torsten Schmitz
  • Publication number: 20220193973
    Abstract: The invention relates to a system (10) for transporting a film tube (2) in a blown film line (1) along a transport direction, having a guiding unit (51) for guiding the film tube (2), a bottleneck (13.1) at which a width (2.3) of the film tube (2) can be reduced, a severing apparatus (20) having at least one severing element (21) for severing the film tube (2), wherein the guiding unit (51) is arranged downstream of the bottleneck (13.1) in the transport direction of the film tube (2). The invention furthermore relates to a blown film line (1) and to a method (100) for producing a film.
    Type: Application
    Filed: March 30, 2020
    Publication date: June 23, 2022
    Applicant: Windmöller & Hölscher KG
    Inventor: Jens ALTHERMELER
  • Patent number: 11358324
    Abstract: A device and a method for extending a film web along a longitudinal direction thereof include guiding the film web in a travel direction over several rollers, and extending the film web in at least one straining gap which is limited by at least two rollers operated with different circumferential speeds. The web is provided with a temperature gradient, which extends in the direction perpendicular relative to the longitudinal axis of the film web.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: June 14, 2022
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Martin Backmann, Juergen Linkies, Ingo Ruebbelke, Markus Bussmann
  • Patent number: 11331903
    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: May 17, 2022
    Assignee: WINDMOELLER & HOELSCHER KG
    Inventors: Franz Plasswich, Dietmar Poetter
  • Patent number: 11292685
    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 10, 2019
    Date of Patent: April 5, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Fabian Sundermann, Frank Hoffmann, Werner Beckonert, Rolf Kammann, Thomas Sehlleier
  • Patent number: 11273589
    Abstract: The present invention relates to a method for the step-by-step guidance of a machine operator of an extrusion device for a film machine when changing from an application formula to a subsequent formula, comprising the following steps: identifying a formula change request, displaying the formula change request for the machine operator, displaying at least one concluding step to be performed for the application formula, identifying a confirmation of the machine operator for the at least one concluding step, displaying at least one preparatory step to be performed for the subsequent formula, identifying a confirmation of the machine operator for the at least one preparatory step, and concluding the change from the application formula to the subsequent formula.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: March 15, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Tobias Kulgemeyer, Jens Minnerup, Martin Backmann
  • Patent number: 11273587
    Abstract: An extrusion device that produces plastic film includes at least two feed units that feed feedstock for an extruder, wherein, in each feed unit an automatic cleaning device is arranged for a removal of feedstock from the feed unit when changing material in the extrusion device.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: March 15, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Ansgar Avermeyer, Tobias Kulgemeyer, Markus Bussmann, Martin Backmann
  • Patent number: 11267181
    Abstract: The above object is solved by means of a method comprising the features as described herein as well as an extrusion device comprising the features as described herein. Further features and details of the invention follow from the depending claims, the description and the drawings. It goes without saying that features and details, which are described in connection with the method according to the invention, shall thereby also apply in connection with the extrusion device according to the invention and in each case vice versa, so that, with regard to the disclosure, reference is or can always be mutually made, respectively, to the individual invention aspects.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: March 8, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Ansgar Avermeyer, Tobias Kulgemeyer
  • Patent number: 11225386
    Abstract: The invention relates to a method for stacking of filled sacks (20) to a pallet-free sack stacking (10) comprising the following: Performing of a first layer (L1) from at least two rows of filled sacks (20), Performing of at least one further layer (L2) from at least two rows of filled sacks (20) on top of the first layer (L1), Covering of the completed sack stacking (10) with at least a stabilized cover (30). The first layer (L1) or the last layer (L9) of the sack stacking with at least two elevating recesses (40) are performed for an elevation with a forklift and between two layers (L8, L9) a mechanically stiffened intermediate space (50) is realized with a floor space (52) which extends between both neighboring layers (L8, L9) and at least a lateral flap (54) which extends along the lateral side (22) of the sacks (20) of one of both neighboring layers (L8, L9) and transverse to the elevating recesses (40).
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: January 18, 2022
    Assignee: Windmöller & Hölscher KG
    Inventors: Uwe Köhn, Rafael Imberg, Martin Kölker, Rüdiger Große-Heitmeyer, Andreas Schrödter, Thomas Hawighorst
  • Publication number: 20210402667
    Abstract: The invention relates to an adjusting device (10) for controlling a discharge thickness (AD) of a nozzle discharge slot (110) of a flat film machine (100), comprising a plurality of adjusting bolts (20) for carrying out an adjusting movement for changing the discharge thickness (AD), wherein the adjusting bolts (20) comprise an adjusting region (SB) between a closing end position (SE) and an opening end position (OE), wherein further starting from the opening end position (OE), the adjusting region (SB) comprises a basic stroke path (BH) for a basic adjustment of the discharge thickness (AD) and, starting from the closing end position (SE), comprises a process stroke path (PH) for process controlling of the discharge thickness (AD).
    Type: Application
    Filed: November 5, 2019
    Publication date: December 30, 2021
    Applicant: Windmöller & Hölscher KG
    Inventors: Waldemar COLELL, Bernd-Alexander GROEPPER, Torsten SCHMITZ
  • Publication number: 20210402670
    Abstract: The invention relates to a method for controlling a thickness profile (DP) of a film track (FB) along a transverse direction (QR) by means of a plurality of adjusting means (120) for adjusting a slot opening (112) of a discharge nozzle (110) of the flat film machine (100), comprising the following steps: acquiring a thickness profile (DP) along the transverse direction (QR) of the film track (FB) transverse to a production direction (PR) of the flat film machine (100), comparing at least a partial section of the acquired thickness profile (DP) with a preset profile (VP), determining at least one local profile deviation (PA) in a deviation section (AA) as a result of the comparison, generating at least one controlling intervention for the adjustment of at least one adjusting means (120) in an intervention section (EA) different from the deviation section (AA).
    Type: Application
    Filed: November 5, 2019
    Publication date: December 30, 2021
    Applicant: Windmöller & Hölscher KG
    Inventors: Waldemar COLELL, Bernd-Alexander GROEPPER, Torsten SCHMITZ
  • Patent number: 11208283
    Abstract: The invention relates to a receiving means (200) for receiving film material (250) for use in a winding machine (IO), wherein the receiving means (200) comprises at least one bearing region (210) for attaching the receiving means (200) to a winding unit (20) of the winding machine (IO) and comprises a wall (220) having an outer surface region (230), wherein the wall (220) is designed in such a way that the surface region (230) can be placed onto a transport device (30) of the winding machine (10) and the film material (250) can be received onto the surface region (230).
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: December 28, 2021
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventors: Thomas Sehlleier, Frank Hoffmann
  • Patent number: 11192744
    Abstract: The invention relates to a device for changing a reel and for connecting a new material web to the end of an old material web, with a first reel (101) from which the first material web thereof which is wound thereon can be unwound, a transport device (103), particularly a transport roller, by means of which the first material web can be guided in a guiding region at a transport speed, a second reel (121) with which the new material web can be prepared, a drive device for rotatably driving the second reel, a separating device (142) for cutting through the first material web, by means of which the material web can be cut through in the guiding region or upstream of the guiding region in order to produce a trailing end, and a control and/or regulating device for the mutual adjustment of the trailing end and the beginning (125) of the second material web, such that the trailing end and the beginning of the web are at a distance of more than 0 mm from each other and particularly do not overlap.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: December 7, 2021
    Assignee: Windmöller & Hölscher KG
    Inventors: Holger Frische, Gerd Kasselmann, Tim Kirchhoff, Peter Strunk
  • Patent number: 11186012
    Abstract: A method changes the material from a feed mixture to a subsequent mixture in a feed device of an extruder, the method comprising the steps of 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: Grant
    Filed: October 17, 2017
    Date of Patent: November 30, 2021
    Assignee: WINDMÖLLER & HÖLSCHER KG
    Inventors: Martin Backmann, Tobias Kulgemeyer, Gerhard Middelberg
  • 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: 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: 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: 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