Patents by Inventor Joachim Grabsoheid

Joachim Grabsoheid 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).

  • Twin wire former for the production of a fiber web from a fiber suspension
    Patent number: 6776877
    Abstract: The invention relates to a twin wire former for the production of a fiber web specifically a paper, cardboard or tissue web, from a fiber suspension. The invention is characterized in that the rotating forming roll has an open volume and is a non-suction type; the rotating forming roll has a forming roll diameter of less than 1,400 mm; the rotating forming roll has a forming roll angle of wrap of less than 70°; a forming suction box is located immediately downstream from the rotating forming roll as viewed in direction of wire travel; and in the area of the wedge-shaped inlet nip, the fiber stock suspension has a stock density of between 0.4% and 2.0%, preferably between 0.6% and 1.5%. These characteristics result in an improved forming quality and web quality.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: August 17, 2004
    Assignee: Voith Paper Patent GmbH
    Inventors: Joachim Grabsoheid, Volker Schmidt-Rohr, Johann Moser
  • Twin wire former for the production of a fiber web from a fiber suspension
    Publication number: 20020108732
    Abstract: The invention relates to a twin wire former for the production of a fiber web specifically a paper, cardboard or tissue web, from a fiber suspension.
    Type: Application
    Filed: February 13, 2002
    Publication date: August 15, 2002
    Inventors: Joachim Grabsoheid, Volker Schmidt-Rohr, Johann Moser