Patent ID: 6708732
Filing Date: 2004-03-23
Classification: D21F,Y10S

Abstract:
A web forming fabric having a machine direction of intended movement on a web forming machine and a cross-machine direction substantially normal to said machine direction, said fabric including machine direction yarns disposed generally in the machine direction and transverse yarns disposed generally transversely to the machine direction, said fabric including on one side thereof first and second substantially linear arrays of systematically distributed areas of high drainage, said first and second substantially linear arrays being oriented at an acute angle to the machine direction and at an acute angle to each other, the boundaries of each of said systematically distributed areas being defined by two pairs of adjacent sides, the adjacent sides of one pair being angled segments of one transversely extending yarn and the adjacent sides of the other pair being angled segments of a second transversely extending yarn contiguous to said one transversely extending yarn.