Patent ID: 6428874
Filing Date: 2002-08-06
Classification: D21F,Y10S,Y10T

Abstract:
A resin-coated endless belt for a long nip press of the shoe type, said resin-impregnated endless belt comprising:a base structure, said base structure being in the form of an endless loop and having an outer side, an inner side, a longitudinal direction, said longitudinal direction being around said endless loop, and a transverse direction, said transverse direction being across said endless loop; and a polymeric resin material impregnating said base structure and rendering said base structure impermeable to fluids; said polymeric resin material forming an inner layer on said inner side of said base structure, said inner layer providing an inner surface for said belt, said inner surface being smooth; and said polymeric resin material further forming an outer layer on said outer side of said base structure, said outer layer providing an outer surface for said belt, said outer layer further having a plurality of primary grooves and a plurality of land areas, said primary grooves being primarily oriented in said longitudinal direction, each of said primary grooves being separated from those adjacent thereto by a land area, said land areas each having a plurality of secondary grooves extending thereacross, said secondary grooves having a depth and a width less than those of said primary grooves and being primarily oriented in said transverse direction.