Patents Assigned to WINDMOLLER & HOLSCHER KG
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Patent number: 10618763Abstract: 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: GrantFiled: June 19, 2017Date of Patent: April 14, 2020Assignee: Windmöller & Hölscher KGInventors: Tim Kirchhoff, Frank Hoffmann, Martin Backmann
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Patent number: 10611054Abstract: 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: GrantFiled: September 2, 2015Date of Patent: April 7, 2020Assignee: Windmöller & Hölscher KGInventors: Martin Backmann, Hermann-Josef Jäckering, Markus Bussmann, Bernd Liesbrock, Karsten Golubski
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Patent number: 10596741Abstract: 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: GrantFiled: May 28, 2014Date of Patent: March 24, 2020Assignee: Windmöller & Hölscher KGInventors: Henning Steuter, Jens Goldenstein, Markus Bussmann
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Publication number: 20200086546Abstract: 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: ApplicationFiled: April 20, 2018Publication date: March 19, 2020Applicant: Windmöller & Hölscher KGInventors: Martin BACKMANN, Markus BUSSMANN
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Patent number: 10584010Abstract: 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: GrantFiled: March 14, 2017Date of Patent: March 10, 2020Assignee: Windmöller & Hölscher KGInventor: Oliver Koser
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Patent number: 10576660Abstract: 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: GrantFiled: September 2, 2015Date of Patent: March 3, 2020Assignee: WINDMÖLLER & HÖLSCHER KGInventors: Martin Backmann, Hermann-Josef Jäckering, Markus Bussmann, Bernd Liesbrock, Karsten Golubski
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Publication number: 20200047374Abstract: 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: ApplicationFiled: October 17, 2017Publication date: February 13, 2020Applicant: Windmöller & Hölscher KGInventors: Martin BACKMANN, Tobias KULGEMEYER, Gerhard MIDDELBERG
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Patent number: 10538024Abstract: 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: GrantFiled: May 28, 2014Date of Patent: January 21, 2020Assignee: Windmöller & Hölscher KGInventors: Ingo Rübbelke, Mathias Gersmann
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Patent number: 10518460Abstract: 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: GrantFiled: January 29, 2014Date of Patent: December 31, 2019Assignee: Windmöller & Hölscher KGInventor: Torsten Schmitz
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Patent number: 10513410Abstract: 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: GrantFiled: June 9, 2016Date of Patent: December 24, 2019Assignee: Windmöller & Hölscher KGInventor: Frank Hoffmann
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Patent number: 10472107Abstract: 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: GrantFiled: May 28, 2014Date of Patent: November 12, 2019Assignee: WINDMÖLLER & HÖLSCHER KGInventors: Hans-Ludwig Voss, Oliver Huil, Ralf Udally, Thomas Hawighorst, Rüdiger Große-Heitmeyer, Roman Smid
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Patent number: 10464766Abstract: 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: GrantFiled: December 18, 2015Date of Patent: November 5, 2019Assignee: Windmöller & Hölscher KGInventors: Tim Oberdalhoff, Werner Beckonert
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Patent number: 10399811Abstract: 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: GrantFiled: December 17, 2014Date of Patent: September 3, 2019Assignee: Windmöller & Hölscher KGInventors: Fabian Sundermann, Frank Hoffmann
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Patent number: 10391760Abstract: The invention relates to a method for the control of the rotational speed for a drive device (20) of a printing roll (10) with a resilient printing sleeve (12) of a flexo printing press (100) comprising the following steps: Determination of a first rotational speed (V1) of the printing roll (10) in the free wheeling without active drive device (20) with a first adjusting value (B1), Determination of a second rotational speed (V2) of the printing roll (10) in the free wheeling without active drive device (20) with a second adjusting value (B2), Generation of a control curve (30) of the rotational speed related to the adjusting value on the basis of the determination steps, Usage of the control curve (30) for the control of the rotational speed of the printing roll (10) with an active drive device (20).Type: GrantFiled: June 30, 2014Date of Patent: August 27, 2019Assignee: WINDMOLLER & HOLSCHER KGInventors: Frank Westhof, Wolfgang Knapheide, Mario Frankenberg, Uwe Howelmeyer, Wolfgang Sprehe, Frank Gunschera
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Publication number: 20190232543Abstract: 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: ApplicationFiled: October 11, 2017Publication date: August 1, 2019Applicant: Windmöller & Hölscher KGInventors: Torsten Schmitz, Daniel Faustmann, Bernd-Alexander Groepper
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Patent number: 10301133Abstract: The invention describes contact rolls for pressing at least one web of material, preferably a web of plastic film, against at least one rotating winding device, the contact roll comprising a surface layer. At least two segments are provided which are spaced axially apart and which extend around, in which segments the quality of the surface layer differs from the quality of the other areas of the surface layer, at least some portions of said segments being in contact with the edges of the at least one web of material.Type: GrantFiled: November 16, 2015Date of Patent: May 28, 2019Assignee: Windmöller & Hölscher KGInventors: David Finnemore, Alexander Wulfert, Frank Hoffmann
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Patent number: 10207448Abstract: The invention relates to a method for the changing of material from a starting material to a subsequent material with an extrusion device (10) for the production of extrusion products (100) comprising the following steps: recognition of a change of material requirement, performance of at least one preparation step for the change of material, performance of the change of material after termination of at least one of the preparation steps.Type: GrantFiled: October 29, 2013Date of Patent: February 19, 2019Assignee: Windmöller & Hölscher KGInventors: Martin Backmann, Markus Bussmann, Ansgar Avermeyer, Tobias Kulgemeyer
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Patent number: 10207886Abstract: Winder for an endless lane of a plastic web (2), with a revolving unit (6, 6?, 55, 90), which is constructed so as to be rotatable about its axis (16) and has at least two winding shafts (10 to 12, 10? to 12?) running parallel to its axis, onto which winding cores (17) can be loaded, then wound with the web (2) to a roll (18), finally unloaded therefrom again as finished rolls (18), wherein on both sides of the revolving unit (6, 6?, 50, 90) support arrangements are arranged, in which the winding shafts (10 to 12, 10? to 12?) are supported at their corresponding ends therein, and wherein the support for one end of the winding shafts (10 to 12, 10? to 12?) is constructed so as to be detachable, such that the respective winding shaft (10 to 12, 10? to 12?), with released support, can be loaded and unloaded from this end, characterized in that the detachably constructed support arrangements each have a gripper arrangement (36 to 38) with a two-armed scissor unit (39 to 41), the scissor arms (42, 43) of which surType: GrantFiled: July 4, 2012Date of Patent: February 19, 2019Assignees: Swiss Winding Inventing AG, Windmöller & Hölscher KGInventors: Richard David Pryle, Carlos Martinez, Rolf Kammann, Frank Hoffmann
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Publication number: 20190016550Abstract: 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: ApplicationFiled: January 18, 2017Publication date: January 17, 2019Applicant: Windmöller & Hölscher KGInventors: Holger Frische, Gerd Kasselmann, Tim Kirchhoff, Peter Strunk
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Patent number: 10144167Abstract: The invention relates to a monitoring method for monitoring the energy requirement of an extrusion installation (10), comprising the following steps: Setting of a balancing limit (20), in whose balancing space (22) the extrusion installation (10) is assembled, Monitoring of at least one energy flow (30) into the balancing space (22), Monitoring of a feed flow (40) of granules in the extrusion installation (10), Determining the relation between the at least one energy flow (30) and the feed flow (40).Type: GrantFiled: September 26, 2013Date of Patent: December 4, 2018Assignee: Windmöller & Hölscher KGInventors: Martin Backmann, Gerhard Middelberg, Markus Bussmann, Jens Minnerup