Patents by Inventor TADASHI SASA

TADASHI SASA 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: 11833540
    Abstract: An applicator head for a curtain applicator for coating a continuous material web with liquid or pasty application medium. The applicator head has an outlet edge extending substantially over the width of the applicator head. The application medium passes out of the applicator head in a free-falling curtain. A rinsing device allows the outlet edge to be supplied with a flowing gaseous rinsing medium. There is also described a method for coating a continuous material web by way of such a curtain applicator. The application medium passes out of the applicator head in the form of a free-falling curtain and subsequently comes into contact with the material web. The region of at least one of the outlet edges can be supplied with a flowing gaseous rinsing medium.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: December 5, 2023
    Assignee: Voith Patent GmbH
    Inventors: Tadashi Sasa, Toshihiro Katano, Akio Hirano, Hiroyuki Kohno, Christoph Henninger, Uwe Froehlich
  • Patent number: 11434607
    Abstract: A curtain application unit for applying a liquid or pasty application medium to at least one surface of a moving material web, in particular a fibrous web, includes an application head having at least one separation edge extending substantially over the width of the application head. The application medium exits the application head in the form of a free-falling curtain at the separation edge. At least one rinsing device is used to apply a flowing gaseous rinsing medium to the at least one separation edge, and at least one blocking device is suitable for keeping air movements of the ambient air away from the curtain. A method for coating a moving material web is also provided.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: September 6, 2022
    Assignee: Voith Patent GmbH
    Inventors: Benjamin Mendez-Gallon, Christoph Henninger, Tadashi Sasa, Toshihiro Katano, Akio Hirano
  • Patent number: 11407001
    Abstract: A curtain applicator for applying a liquid or pasty application medium to at least one surface of a running material web, in particular a fibrous web. The curtain applicator has an applicator nozzle, in particular a slotted nozzle, which under the effect of gravity, and optionally with further forces, is suitable for dispensing a single-tier or multi-tier curtain onto the surface of the material web. The curtain applicator further has a wiping device which is suitable for keeping entrained air carried by the material web away from the curtain. Moreover, there is provided at least one further blocking device which is suitable for keeping air movements of the ambient air away from the curtain.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: August 9, 2022
    Assignee: Voith Patent GmbH
    Inventors: Tadashi Sasa, Akio Hirano, Hiroyuki Kohno, Christoph Henninger, Uwe Froehlich, Toshihiro Katano
  • Publication number: 20200316636
    Abstract: An applicator head for a curtain applicator for coating a continuous material web with liquid or pasty application medium. The applicator head has an outlet edge extending substantially over the width of the applicator head. The application medium passes out of the applicator head in a free-falling curtain. A rinsing device allows the outlet edge to be supplied with a flowing gaseous rinsing medium. There is also described a method for coating a continuous material web by way of such a curtain applicator. The application medium passes out of the applicator head in the form of a free-falling curtain and subsequently comes into contact with the material web. The region of at least one of the outlet edges can be supplied with a flowing gaseous rinsing medium.
    Type: Application
    Filed: May 11, 2017
    Publication date: October 8, 2020
    Inventors: TADASHI SASA, TOSHIHIRO KATANO, AKIO HIRANO, HIROYUKI KOHNO, CHRISTOPH HENNINGER, UWE FROEHLICH
  • Publication number: 20200256017
    Abstract: A curtain application unit for applying a liquid or pasty application medium to at least one surface of a moving material web, in particular a fibrous web, includes an application head having at least one separation edge extending substantially over the width of the application head. The application medium exits the application head in the form of a free-falling curtain at the separation edge. At least one rinsing device is used to apply a flowing gaseous rinsing medium to the at least one separation edge, and at least one blocking device is suitable for keeping air movements of the ambient air away from the curtain. A method for coating a moving material web is also provided.
    Type: Application
    Filed: October 2, 2018
    Publication date: August 13, 2020
    Inventors: BENJAMIN MENDEZ-GALLON, CHRISTOPH HENNINGER, TADASHI SASA, TOSHIHIRO KATANO, AKIO HIRANO
  • Publication number: 20200038901
    Abstract: A curtain applicator for applying a liquid or pasty application medium to at least one surface of a running material web, in particular a fibrous web. The curtain applicator has an applicator nozzle, in particular a slotted nozzle, which under the effect of gravity, and optionally with further forces, is suitable for dispensing a single-tier or multi-tier curtain onto the surface of the material web. The curtain applicator further has a wiping device which is suitable for keeping entrained air carried by the material web away from the curtain. Moreover, there is provided at least one further blocking device which is suitable for keeping air movements of the ambient air away from the curtain.
    Type: Application
    Filed: January 11, 2018
    Publication date: February 6, 2020
    Inventors: TADASHI SASA, AKIO HIRANO, HIROYUKI KOHNO, CHRISTOPH HENNINGER, UWE FROEHLICH, TOSHIHIRO KATANO