Nonwoven fabric

Details Nonwoven fabric Nonwoven fabric

2007-05-31

2010-02-16

Sample, David R (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

C428S156000, C428S170000, C428S172000

Reexamination Certificate

active

07662462

ABSTRACT:
Nonwoven fabric has a plurality of groove portions continuously formed along a predetermined direction, and a plurality of raised ridge portions formed continuously along the groove portions, each adjacent to the groove portions. The basis weight is the least, and the content percentage of laterally-oriented fibers is high, and the content percentage of longitudinally-oriented fibers is low at the groove portions of the nonwoven fabric. Sides at the raised ridge portions are formed so that their basis weight is the greatest, and the content percentage of the fiber oriented toward a longitudinal direction is high.

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