Patent ID: 7135096
Filing Date: 2006-11-14
Classification: D21F,Y10S,Y10T

Abstract:
1. A press felt for use in the press section of a papermaking machine, the press felt comprising: a base fabric layer and at least one layer of a staple fiber batt material connected to the base fabric layer, the press felt having a paper side surface (PS) which when in operation is in contact with a paper web conveyed thereon and a machine side surface (MS) which contacts various press section components, the staple fiber batt material is comprised of between 20% to 80% by weight of a non-fibrillatable regenerated cellulosic staple fiber consisting of fibers with a size of at least about 1.1 dtex to 44 dtex, and from 80% to 20% by weight of a polymeric staple fiber.