Nonwoven fabric

Details Nonwoven fabric Nonwoven fabric

2007-05-30

2009-06-30

McNeil, Jennifer (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

C428S131000, C428S137000, C428S167000, C428S170000, C428S171000, C428S172000, C442S327000, C442S387000

Reexamination Certificate

active

07553535

ABSTRACT:
Nonwoven fabric including concaves and convexes, and at least a fiber basis weight which is adjusted, and its manufacturing method are provided. The nonwoven fabric110is formed into a substantially sheet-like shape of predetermined thickness and its fiber basis weight is adjusted by directing a fluid, mainly consisting of gas, to a fiber web100, the fibers of which have a high degree of freedom to move. The nonwoven fabric110includes a plurality of groove portions1, which are low basis weight portions, and a plurality of convex portions2, which are high basis weight portions, that are continuously formed along the groove portions1and are adjacent to each of the plurality of groove portions1. The Fiber basis weights of the plurality of groove portions1are less than those of the plurality of convex portions2.

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