Patent ID: 8753483
Filing Date: 2014-06-17
Classification: D21F,D21H

Abstract:
1. A method of forming a fiber web, comprising: introducing a fiber mixture into a flow zone of a system for forming a fiber web, wherein the system comprises a pressure former; collecting fibers from the fiber mixture downstream of the flow zone in a first fiber web forming zone, wherein the first fiber web forming zone comprises a first forming wire portion positioned at a first angle with respect to the horizontal, and wherein a top surface encloses at least a portion of the first fiber web forming zone; transporting the fibers to a second fiber web forming zone positioned downstream of the first fiber web forming zone, wherein the second fiber web forming zone comprises a second forming wire portion positioned at a second angle with respect to the horizontal, and wherein the first angle is different from the second angle; and forming a fiber web comprising fibers from the fiber mixture.