Device and method of liquid-permeable perforation of a nonwoven

摘要

A method for the manufacture of a perforated nonwoven, whereby perforation means engage into the nonwoven. The perforation means are arranged on a first roller. The perforation means engage through the nonwoven into a surface of a second roller. The perforation means displace fibers of the nonwoven, whereby the perforation means engage in a material on the second roller, such that said means can displace the material when they engage. In addition, a corresponding device and corresponding materials are provided for.