Patent ID: 6289940
Filing Date: 2001-09-18
Classification: D21F,Y10S,Y10T

Abstract:
An open ended papermaker's fabric of a type woven from a longitudinal thread system and a transverse thread system and having a paper side and a machine side, a plurality of seam loops at each end of the fabric formed by the threads of the longitudinal thread system whereby a seam zone is formed at each end of said fabric between the respective seam loops and a respective end thread of said transverse thread system, the fabric characterized by:two additional transverse threads interwoven in at least one seam zone with the longitudinal thread system, each of the two additional threads woven in a repeat pattern that includes a first transition between first paired paper and machine side threads and a second transition between second paired paper and machine side threads, the first transitions define a first crossover point and the second transitions define a second crossover point, the first and second crossover points separated are in the transverse direction by at least three top layer longitudinal threads.