Patent ID: 7507463
Filing Date: 2009-03-24
Classification: D04H,Y10T

Abstract:
1. A nonwoven fabric having a first direction and a second direction transverse to the first direction, and first and second opposite surfaces, said non-woven fabric comprising on the first surface thereof: a plurality of groove portions longitudinally extending in the first direction; and a plurality of convex portions longitudinally extending in the first direction, said groove portions and convex portions being alternately arranged adjacent to each other in the second direction; wherein each of said groove portions comprises: each of the joining portions has a greater percent content of fibers oriented in the second direction than fibers oriented in the first direction; each of the convex portions has side portions opposite one another in the second direction, and a central portion between said side portions; and the central portion of each of the convex portions includes more fibers oriented in a thickness direction of the non-woven fabric than each of the groove portions; wherein each of the joining portions comprises: