Patents by Inventor Stephan Hajdu

Stephan Hajdu 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).

  • Publication number: 20190257006
    Abstract: An installation for producing a textile web-shaped material includes a device for parallelizing fibers, a transport device for transporting the textile web-shaped material in transport direction, a device for flow-through treating the textile web-shaped material with a gaseous medium, and a textile padder for applying a binding agent to the textile web-shaped material. A transport deflection device deflects the textile web-shaped material around the device for flow-through treating the textile web-shaped material and/or around the textile padder.
    Type: Application
    Filed: March 21, 2019
    Publication date: August 22, 2019
    Applicant: Truetzschler GmbH & CO. KG
    Inventors: Thomas WEIGERT, Stephan HAJDU
  • Patent number: 10161070
    Abstract: The invention relates to a device and a method for the bonding of a textile web, whereby the textile web is guided over an idler drum into a bonding plant, led around a through-air drum and over a cooling drum and then led out again, whereby heated fresh air flows through the web and the through-air drum and the exhaust air is extracted from the bonding plant. According to the invention, it is intended that cooling air is directed onto the web ahead of the detachment point of the web from the through-air drum onto the web.
    Type: Grant
    Filed: August 16, 2014
    Date of Patent: December 25, 2018
    Assignee: TRUETZSCHLER GMBH & CO. KG
    Inventors: Thomas Weigert, Willi Liebscher, Stephan Hajdu
  • Patent number: 9696088
    Abstract: The invention relates to a dryer for a textile fabric web, comprising a dryer chamber (2) and having at least one drum (3a) which is arranged in the dryer chamber (2) and around at least part of which the fabric web (5) is wrapped, wherein heated drying air flows through the fabric web (5) and is discharged via an interior chamber of the drum (3a), characterized in that the dryer (1) has a separate additional compartment (10) via which fresh air (11) is supplied and exhaust air (13) is discharged.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: July 4, 2017
    Assignee: TRUETZSCHLER GMBH & CO. KG
    Inventors: Markus Böhn, Stephan Hajdu
  • Publication number: 20160312391
    Abstract: The invention relates to a device and a method for the bonding of a textile web, whereby the textile web is guided over an idler drum into a bonding plant, led around a through-air drum and over a cooling drum and then led out again, whereby heated fresh air flows through the web and the through-air drum and the exhaust air is extracted from the bonding plant. According to the invention, it is intended that cooling air is directed onto the web ahead of the detachment point of the web from the through-air drum onto the web.
    Type: Application
    Filed: August 16, 2014
    Publication date: October 27, 2016
    Applicant: TRUETZSCHLER GMBH & CO. KG
    Inventors: Thomas WEIGERT, Willi LIEBSCHER, Stephan HAJDU
  • Publication number: 20160122910
    Abstract: In an installation for producing a textile web-shaped material, comprising at least one device for parallelizing fibers and at least one transport device for transporting the textile web-shaped material in transport direction, at least one device is provided for flow-through treating the textile web-shaped material with a gaseous medium, at least one device is provided for applying a binding agent to the textile web-shaped material, and at least one transport deflection device is provided, wherein the transport deflection device can deflect the textile web-shaped material around the device for flow-through treating the textile web-shaped material and/or around the device for applying a binding agent.
    Type: Application
    Filed: May 14, 2014
    Publication date: May 5, 2016
    Applicant: Truetzschler GmbH & CO. KG
    Inventors: Thomas Weigert, Stephan Hajdu
  • Publication number: 20150267965
    Abstract: The invention relates to a dryer for a textile fabric web, comprising a dryer chamber (2) and having at least one drum (3a) which is arranged in the dryer chamber (2) and around at least part of which the fabric web (5) is wrapped, wherein heated drying air flows through the fabric web (5) and is discharged via an interior chamber of the drum (3a), characterised in that the dryer (1) has a separate additional compartment (10) via which fresh air (11) is supplied and exhaust air (13) is discharged.
    Type: Application
    Filed: July 5, 2013
    Publication date: September 24, 2015
    Applicant: Trützschler GmbH & Co., KG
    Inventors: Markus Böhn, Stephan Hajdu