Patents by Inventor Erwin Walcher

Erwin Walcher 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).

  • Device for stabilizing a paper web
    Patent number: 7384512
    Abstract: The invention relates to a device for stabilizing a paper web, particularly a tissue web, with at least one (web) stabilizer (3, 7) after a drying cylinder (1), where the stabilizer (3) is located directly at the cylinder (1) under the paper web (2). It is mainly characterized by the angle of incidence ? of the stabilizer (3) at the drying cylinder (1) being adjustable.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: June 10, 2008
    Assignee: Andritz AG
    Inventors: Harald Weigant, Gernot Zeletinger, Kurt Mitterböck, Erwin Walcher
  • Device for stabilizing a paper web
    Publication number: 20050161185
    Abstract: The invention relates to a device for stabilizing a paper web, particularly a tissue web, with at least one (web) stabilizer (3, 7) after a drying cylinder (1), where the stabilizer (3) is located directly at the cylinder (1) under the paper web (2). It is mainly characterised by the angle of incidence ? of the stabilizer (3) at the drying cylinder (1) being adjustable.
    Type: Application
    Filed: December 30, 2004
    Publication date: July 28, 2005
    Inventors: Harald Weigant, Gernot Zeletinger, Kurt Mitterbock, Erwin Walcher
  • Process and device for reeling a paper web
    Publication number: 20050161551
    Abstract: The invention relates to a process for reeling a paper web, particularly a tissue web, specifically when starting up the machine and after a web break. According to the invention, this is achieved by pressing the paper web tail (8?) or the entire width of the web onto the reel drum (5) and securing it there by means of an auxiliary roll (9) before it is transferred to the reel spool (3). The invention also relates to a device for reeling a paper web, particularly a tissue web, specifically when starting up the machine and after a web break, using a reel spool (3) and a reel drum (5). An auxiliary roll (9) is provided in addition to press a paper web tail (8?) or the entire web width onto the reel drum (5) and secure it there.
    Type: Application
    Filed: January 12, 2005
    Publication date: July 28, 2005
    Inventors: Rupert Schmidhofer, Harald Weigant, Erwin Walcher, Robert Schloffer