Patent ID: 9315939
Filing Date: 2016-04-19
CPC Classification: B32B,D01D,D02G,D21F,Y10T

Claim Text:
1. A papermaking fabric or an engineered fabric for use in the production of paper or nonwovens, said fabric comprising: a plurality of functional square or rectangular monofilaments having a substantially flat cross-section, wherein the functional square or rectangular monofilaments have a top surface and a bottom surface, the top surface and the bottom surface have a plurality of grooves formed thereon, and the grooves formed in the top surface and the grooves formed in the bottom surface, which are offset without overlapping each other, are wider below the surface of the monofilament than at the grooves' open tops, wherein a shape of each of the plurality of grooves that are wider below the surface of the monofilament than at the grooves' open tops provides a mechanical interlock for a fabric coating.