Patent ID: 7980275
Filing Date: 2011-07-19
Classification: D21F,Y10T

Abstract:
1. A papermaker's press felt, comprising: an endless woven base fabric, comprising: a set of top machine direction (MD) yarns; a set of intermediate MD yarns; a set of bottom MD yarns; a set of upper cross machine direction (CMD) yarns interwoven with the top MD yarns and the intermediate MD yarns; and a set of lower CMD yarns interwoven with the intermediate MD yarns and the bottom MD yarns; the press felt further comprising at least one batt layer attached to the base fabric; wherein the upper and lower CMD yarns of the fabric are woven from two different warp beams, the upper CMD yarns from a first warp beam being of a first type, and the lower CMD yarns from a second warp beam being of a second type that is different from the first type.