Patents by Inventor Manfred Schaffler

Manfred Schaffler 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: 6085391
    Abstract: The invention relates to a process for producing a nonwoven fabric and a matting device with several layering belts between which the web is taken up and guided at least in regions. The matting device has a belt inlet on the inlet side for the layering belts with an oblique downwards inclined inlet section with two belt sections running close to one another between which the web is led or covered on both sides. The width of the inlet section can be altered and can narrow like a funnel. The belt inlet can be mounted on the upper carriage so as to be either fixed or mobile.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: July 11, 2000
    Assignee: Autefa Maschinenfabrik GmbH
    Inventor: Manfred Schaffler
  • Patent number: 5590442
    Abstract: A device for producing nonwoven fabric with a carding machine 3 and a nonwoven fabric layering apparatus 2. A web storage device 5 with a variable storage volume is arranged between the web producer 3 and the nonwoven fabric layering apparatus 2. The web storage device 5 is controlled by the layering belts 8, 9 of the non-woven fabric layering apparatus 2. The rotational speed VB of the layering belts 8, 9 is variable and fluctuates in rhythm with the absolute traveling speed VL of the layering carriage in the inlet area 10. The web storage device 5 is emptied and filled at the same rhythm as the web 4 by control coupling.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: January 7, 1997
    Assignee: Autefa Maschinenfabrik GmbH Augsburg
    Inventors: Herwig Hirschek, Manfred Schaffler