UN PROCEDIMIENTO PARA PRODUCIR UNA ESTRUCTURA FILAMENTARIA NO TEJIDA, DE DENSIDAD Y CONFORMIDAD MEJORADAS.

摘要

Non-woven fabrics and webs of uniform thickness and width are prepared from conventional webs of randomly laid continuous filaments which fabrics and webs have non-uniform edges and are of non-uniform thickness by contacting the web with a folding guide and pneumatically folding the web followed by calendering of the folded web.