Patent ID: 9677224
Date: 2017-06-13
CPC Classifications: D21F

Claim:
1. A paper making process comprising: operating a forming fabric of a Fourdrinier machine in a rush mode or a drag mode to promote an initial machine direction alignment of paper fibers within a paper web deposited onto the forming fabric, the Fourdrinier machine including: adjusting heights of the plurality of height adjustable blades in the forming board section on to produce a drainage rate so that the paper web has a consistency in the forming board section within a range of 0.1% to 2% to immediately freeze the machine direction alignment of paper fibers and to produce turbulence so that the paper fibers are kept mobile and entanglement of the paper fibers is prevented; and, adjusting heights of the plurality of height adjustable blades and vacuum levels in the hydrofoil section to gradually achieve a consistency of 5%.