| 摘要 |
<p>A drainage device and method which provides for drainage from paper or pulp stock on a fabric (10) in a sheet- or mat-making machine which includes a primary blade (26) and trail blade (28) with a gap (24) therebetween for drainage wherein the size of the gap (24) controls drainage and the primary blade (26) is so configured so as to force a portion of the drained liquid through the fabric to create paper stock activity and disbursement while minimizing turbulence and maintaining laminar flow of the machine direction along with providing reinforcement of CD shear.</p> |
