Patents Assigned to Hutter & Schrantz AG
  • Three layer paper making drainage fabric
    Patent number: 5358014
    Abstract: A fabric of synthetic monofilaments for making a draining wire in a paper machine includes a plurality of warp threads an three layers of weft threads. Each four weft threads of the top layer, two weft threads of the middle layer and all weft thread of the bottom layer form a respective group characterized by warp threads running through the two top layer and the other warp threads running through all three layers.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: October 25, 1994
    Assignee: Hutter & Schrantz AG
    Inventor: Walter Kovar