Patent ID: 6352947
Filing Date: 2002-03-05
Classification: B01D,D21H,Y10T

Abstract:
A filtration fabric comprising:a furnish which comprises about 40.0% to 75.0% binder fiber, wherein the binder fiber comprises first and second binder fiber components of dissimilar denier and length, wherein said first binder fiber component is a concentric polyester sheath/polyester core bicomponent fiber of 2 denier and 0.5 inch length and said second binder fiber component is a concentric polyester sheath/polyester core; and about 25.0% to about 60.0% pulp portion, wherein the amounts of fiber and pulp portion are calculated as a percentage of the dry weight of the furnish components; and 0.0% to about 5.0% stiffening agent, wherein the amount of stiffening agent is calculated as a percentage of the total dry weight of the fabric.