Patents by Inventor Ulrich Wieduwilt

Ulrich Wieduwilt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11661223
    Abstract: A method for producing a packaging body (51) from a web material that comprises paper, wherein the packaging body (51) comprises an indentation (53) for receiving an item to be packaged, the method comprising: pre-tensioning the web material (14); fixing the web material (14) between a holding-down device (32) and a die (31); molding the indentation (53) in the web material (14); and removing the molded indentation (53) from the die (31).
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: May 30, 2023
    Assignee: Syntegon Technology GmbH
    Inventors: Martin Beck, Ruediger Karcher, Hans-Peter Stadel, Ulrich Wieduwilt, Uwe Stroinski
  • Patent number: 11541623
    Abstract: The present invention relates to a method for joining paper material (2, 3) in a first joining region (20) and a second joining region (30), comprising the steps of: roughening the first joining region (20) and/or the second joining region (30), moistening the first joining region (20) and/or the second joining region (30), and joining the first and second joining region (20, 30) between a sonotrode (60) and an anvil (63) of an ultrasonic friction welding apparatus (6) by means of ultrasonic friction welding, wherein a vibration direction (A) of the sonotrode (60) is not parallel to a joining force direction (B) of a joining force of the anvil (63).
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 3, 2023
    Assignee: Syntegon Technology GmbH
    Inventor: Ulrich Wieduwilt
  • Publication number: 20220204196
    Abstract: The invention relates to a packaging machine for producing a packaging (20) from a paper-containing web material (2) and a covering web (3), comprising a first pre-tensioning device (4) for pre-tensioning and stretching the web material (2) in a transport direction (16) of the web material, a second pre-tensioning device (5) for pre-tensioning and stretching the web material (2) in a second direction (17) transverse to the transport direction (16), a shaping device (6) for producing a depression (21) in the web material (2), wherein the depression (21) is designed to receive a filler, a filling device (7) which fills filler into the depression (21), a covering web device which provides the covering web (3) in order to provide a cover (31) for the depression (21), a fixing device (10) which fixes the covering web (3) on the web material (2), and a discharge device (8) which discharges the produced packaging out of the packaging machine.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 30, 2022
    Inventors: Martin Beck, Ruediger Karcher, Hans-Peter Stadel, Ulrich Wieduwilt, Uwe Stroinski
  • Publication number: 20220194645
    Abstract: The present invention relates to a method for processing a covering roll sheet (20) of a package, wherein the covering roll sheet (20) covers a package body (51) in the manner of a lid, comprising the steps of: drawing the covering roll sheet (20) off an endless roll (22), tensioning the covering roll sheet (20), determining an offset between a first marking on the covering roll sheet (20) and a second marking (34) on the package body (51), and stretching the covering roll sheet (20) in a manner dependent on the determined offset between the first marking (33) and the second marking (34).
    Type: Application
    Filed: March 4, 2020
    Publication date: June 23, 2022
    Inventors: Martin Beck, Ruediger Karcher, Hans-Peter Stadel, Ulrich Wieduwilt, Uwe Stroinski
  • Publication number: 20220153463
    Abstract: The present invention relates to a method for producing a packaging body (51) from a web material that comprises paper, wherein the packaging body (51) comprises an indentation (53) for receiving an item to be packaged, said method comprising the steps of: pre-tensioning the web material (14); fixing the web material (14) between a holding-down means (32) and a die (31); molding the indentation (53) in the web material (14); and removing the molded indentation (53) from the die (31).
    Type: Application
    Filed: March 16, 2020
    Publication date: May 19, 2022
    Inventors: Martin Beck, Ruediger Karcher, Hans-Peter Stadel, Ulrich Wieduwilt, Uwe Stroinski
  • Publication number: 20220048271
    Abstract: The present invention relates to a method for joining paper material (2, 3) in a first joining region (20) and a second joining region (30), comprising the steps of: roughening the first joining region (20) and/or the second joining region (30), moistening the first joining region (20) and/or the second joining region (30), and joining the first and second joining region (20, 30) between a sonotrode (60) and an anvil (63) of an ultrasonic friction welding apparatus (6) by means of ultrasonic friction welding, wherein a vibration direction (A) of the sonotrode (60) is not parallel to a joining force direction (B) of a joining force of the anvil (63).
    Type: Application
    Filed: February 19, 2020
    Publication date: February 17, 2022
    Inventor: Ulrich Wieduwilt
  • Publication number: 20220040952
    Abstract: The present invention relates to a tubular bag machine for producing tubular bag packaging materials from paper, comprising a draw-off station (2) for drawing off a paper web (10), a roughening station (3) for the continuous roughening of at least one joining region of the paper web (10), a moistening station (4) for moistening at least one joining region of the paper web (10), a forming station (5) for forming a bag tube, and an ultrasonic sealing station (6) for sealing the joining region of the paper web (10).
    Type: Application
    Filed: February 26, 2020
    Publication date: February 10, 2022
    Inventor: Ulrich Wieduwilt
  • Patent number: 10843833
    Abstract: The present invention relates to a device for sealing a packaging material (10), comprising at least one sealing installation (18) which comprises at least one coil core (24) which is surrounded by at least one coil (25), wherein the coil core (24) has at least one gap (32) through which packaging material peripheries (34, 36) to be sealed are guided, wherein at least one element (23) that conducts a magnetic flux is provided, said element (23) for influencing a region (22) of the packaging material peripheries (34, 36) to be heated being disposed so as to be adjacent to the packaging material peripheries (34, 36) to be sealed.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: November 24, 2020
    Assignee: Robert Bosch GmbH
    Inventors: David Ternes, Marcel Egli, Rolf Steinemann, Ulrich Wieduwilt
  • Patent number: 10723096
    Abstract: The invention relates to a method for producing packaging (18) from paper material (5), in particular paper, cardboard or paperboard, said method comprising the following steps: forming packaging (18) from a blank (19) made of paper material (5), which paper material overlaps at at least one joining site (21); positioning the at least one joining site (21) between a sonotrode (2) and an anvil (3); applying the joining site (21) with a joining force in a joining force direction (6); and making the sonotrode (2) ultrasonically vibrate in order to ultrasonically weld the paper material (5) at the joining site (21), which method is characterised in that the paper material (5) is moistened, preferably on the inner sides of the joining sites (21), before forming the packaging (18) and/or while forming the packaging (18) and/or after forming the packaging (18) and/or during the ultrasonic welding.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: July 28, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Ulrich Wieduwilt, Bernhard Vaihinger, Roland Czuday, Andreas Baechle
  • Publication number: 20180312284
    Abstract: The present invention relates to a device for sealing a packaging material (10), comprising at least one sealing installation (18) which comprises at least one coil core (24) which is surrounded by at least one coil (25), wherein the coil core (24) has at least one gap (32) through which packaging material peripheries (34, 36) to be sealed are guided, wherein at least one element (23) that conducts a magnetic flux is provided, said element (23) for influencing a region (22) of the packaging material peripheries (34, 36) to be heated being disposed so as to be adjacent to the packaging material peripheries (34, 36) to be sealed.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 1, 2018
    Inventors: David Ternes, Marcel Egli, Rolf Steinemann, Ulrich Wieduwilt
  • Patent number: 9993967
    Abstract: The invention relates to a method for joining a sealing seam of a tubular bag packaging by means of an ultrasonic applicator (10), characterized in that said ultrasonic applicator (10) generates ultrasonic waves at a frequency of between 0.1 MHz and 5 MHz, preferably between 0.5 MHz and 2 MHz. The invention also relates to a longitudinal seal joining device of a tubular bag machine for use with said claimed method.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: June 12, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Lukas Oehm, Ulrich Wieduwilt, Marko Liebler, Sascha Bach
  • Patent number: 9993970
    Abstract: The invention relates to a cross seam joining device for a flexible packaging having at least one ultrasonic applicator (13a-13c), which is rotatably mounted on a shaft (13d) and can be rotated about an axis (13e) of the shaft (13d) arranged longitudinally to the cross seam (110, 111). The ultrasonic applicator (13a-13c) is designed to produce and bundle ultrasounds in a frequency range of 0.1 MHz-0.5 MHz, preferably from 0.5 MHz-2 MHz.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: June 12, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Ulrich Wieduwilt, Lukas Oehm, Marko Liebler, Sascha Bach
  • Publication number: 20170369207
    Abstract: The invention relates to a device for checking whether a package has been opened or not, comprising at least one package (10), at least one electronic unit (18), at least one battery (12) which supplies the electronic unit (18) with energy, at least one display (14) which can be controlled by the electronic unit (18), said electronic unit (18), the battery (12) and the display (14) being arranged on the package (10). At least two contact tracks (23, 24) and/or electrodes (26, 28) and/or at least one strain sensor (25) are provided as means for detecting whether the package (10) has been opened or not.
    Type: Application
    Filed: September 10, 2015
    Publication date: December 28, 2017
    Inventors: Andreas Kugler, Berend Oberdorfer, Markus Hanisch, Matthias Mahlich, Sandra Woehr, Ulrich Wieduwilt, Markus Mueller
  • Publication number: 20160368205
    Abstract: The invention relates to a cross seam joining device for a flexible packaging having at least one ultrasonic applicator (13a-13c), which is rotatably mounted on a shaft (13d) and can be rotated about an axis (13e) of the shaft (13d) arranged longitudinally to the cross seam (110, 111). The ultrasonic applicator (13a-13c) is designed to produce and bundle ultrasounds in a frequency range of 0.1 MHz-0.5 MHz, preferably from 0.5 MHz-2 MHz.
    Type: Application
    Filed: March 6, 2014
    Publication date: December 22, 2016
    Inventors: Ulrich Wieduwilt, Lukas Oehm, Marko Liebler, Sascha Bach
  • Publication number: 20160368200
    Abstract: The invention relates to a method for joining a sealing seam of a tubular bag packaging by means of an ultrasonic applicator (10), characterised in that said ultrasonic applicator (10) generates ultrasonic waves at a frequency of between 0.1 MHz and 5 MHz, preferably between 0.5 MHz and 2 MHz. The invention also relates to a longitudinal seal joining device of a tubular bag machine for use with said claimed method.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 22, 2016
    Inventors: Lukas Oehm, Ulrich Wieduwilt, Marko Liebler, Sascha Bach
  • Publication number: 20160311189
    Abstract: The invention relates to a method for producing packaging (18) from paper material (5), in particular paper, cardboard or paperboard, said method comprising the following steps: forming packaging (18) from a blank (19) made of paper material (5), which paper material overlaps at at least one joining site (21); positioning the at least one joining site (21) between a sonotrode (2) and an anvil (3); applying the joining site (21) with a joining force in a joining force direction (6); and making the sonotrode (2) ultrasonically vibrate in order to ultrasonically weld the paper material (5) at the joining site (21), which method is characterised in that the paper material (5) is moistened, preferably on the inner sides of the joining sites (21), before forming the packaging (18) and/or while forming the packaging (18) and/or after forming the packaging (18) and/or during the ultrasonic welding.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 27, 2016
    Inventors: Ulrich WIEDUWILT, Bernhard VAIHINGER, Roland CZUDAY, Andreas BAECHLE
  • Patent number: 9452855
    Abstract: The invention relates to a separating tool of a joining device, in particular for tubular bag machines, comprising a blade carrier (1), which has a groove-like recess (2), in which a blade (3) is arranged, characterized in that at least part of a wall of the recess (2) is designed as a bending beam, which extends over the length of the blade (3) and is integrally connected to the blade carrier (1) and adjacent to the base region (4) of the recess (2), and that at least two clamping screws (7) are arranged on the blade carrier (1), which clamping screws preload the bending beam (5) in the direction of the blade (3) in order to clamp the blade and are supported in threaded recesses (6) of the blade carrier (1).
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: September 27, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Ulrich Wieduwilt, Juergen Ippers
  • Patent number: 9399330
    Abstract: An ultrasonic joining method for connecting paper material (5), in particular paper, board or paperboard, comprising the following steps: introducing the paper material (5) into a gap (4) between a sonotrode (2) and an anvil (3), causing the sonotrode (2) to oscillate ultrasonically for the ultrasonic welding of the paper material (5), the paper material (5) being moistened with demineralized water (9), preferably on inner sides of joining points, before and/or during the ultrasonic welding.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: July 26, 2016
    Assignee: Robert Bosch GmbH
    Inventor: Ulrich Wieduwilt
  • Patent number: 9399332
    Abstract: An ultrasonic joining method for bonding paper material (5), in particular paper, paperboard or cardboard, comprising the following steps: introducing the paper material (5) into a gap (4) between an ultrasonic horn (2) and an anvil (3), applying a joining force in a joining force direction (6) to the paper material (5) in the gap (4), and setting the ultrasonic horn (2) into an ultrasonic vibration in order to join the paper material (5), characterized in that an ultrasonic frictional welding operation is carried out, in which the joining force direction (6) is not parallel to the direction of vibration (7) of the ultrasonic vibration.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: July 26, 2016
    Assignee: Robert Bosch GmbH
    Inventor: Ulrich Wieduwilt
  • Patent number: 9382026
    Abstract: The invention relates to an apparatus for cutting a packaging material (4) for a package, comprising an ultrasonic welding device (2) that includes a sonotrode (3) and an anvil (5) for sealing the packaging material (4), the sonotrode (3) being rotatable about a first axis of rotation (X) and the anvil (5) being rotatable about a second axis of rotation (Y). The apparatus further comprises a cutting device (6) which includes at least one knife (7) for cutting the packaging material (4) and which is arranged within the anvil (5). The invention is characterized in that the knife (7) has a blade (8) with a cutting edge (28) that includes at least two tips (33, 35) and at least two curved sections (22) interconnecting the two tips (33, 35).
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: July 5, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Juergen Ippers, Ulrich Wieduwilt