Method of easy production of nonwoven fabric having at least one projection and at least one recess, and method of easy processing of nonwoven fabric

摘要

It is an object of the invention to provide a method of easy production of a nonwoven fabric having at least one projection and at least one recess and to a method of easy processing of a nonwoven fabric.;A method of producing a nonwoven fabric having at least one projection and at least one recess, comprising the steps of non-homogeneous stretching a nonwoven fabric so as to form a nonwoven fabric with high-stretch regions and low-stretch regions, and forming a nonwoven fabric having at least one projection and at least one recess by placing the nonwoven fabric with high-stretch regions and low-stretch regions on a support and spraying a fluid onto the nonwoven fabric with high-stretch regions and low-stretch regions for treatment.

主权项

1. A method of producing a nonwoven fabric having at least one projection and at least one recess, the method comprising:
non-homogeneous stretching a nonwoven fabric so as to form high-stretch regions and low-stretch regions in the nonwoven fabric, and forming at least one projection and at least one recess by
placing the nonwoven fabric with the high-stretch regions and the low-stretch regions on a fluid-permeable support, andspraying a fluid from a fluid nozzle onto the nonwoven fabric with the high-stretch regions and the low-stretch regions for treatment,wherein
the fluid-permeable support has protrusions and depressions with predetermined shapes in contact with the nonwoven fabric which has the high-stretch regions and the low-stretch regions, and a fluid permeability of the protrusions is lower than a fluid permeability of the depressions.