Pin seamed press felt with triple layer base fabric
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United States of America Patent
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Apr 14, 2015
Grant Date -
Jul 10, 2014
app pub date -
Nov 8, 2013
filing date -
Jan 10, 2013
priority date (Note) -
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Abstract
A press felt includes: a base fabric comprising a plurality of repeat units, each of the repeat units comprising a plurality of exterior machine direction (MD) yarns, each of which includes an upper run and a lower run merging with seam loops at each end, a plurality of middle MD yarns positioned between the upper and lower runs of the exterior MD yarns, a plurality of cross machine direction (CMD) yarns interwoven with the exterior MD yarns and the middle MD yarns in a predetermined regular weave pattern, the seam loops defining the longitudinal ends of the press felt; and a batt layer overlying the base fabric.
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