Method of producing apertured nonwoven fabric

Claim 1

THE METHOD OF PRODUCING A NONWOVEN FABRIC CONTAINING SPACED HOLES DEFINED BY GROUPS OF FIBER SEGMENTS FROM A WETTED LAYER OF IRREGULARITY ARRANGED, OVERLAPPING FIBERS IN FRICTIONAL ENGAGEMENT WITH ONE ANOTHER, SAID FIBERS BEING CAPABLE OF MOVEMENT IN RESPONSE TO APPLIED REARRANGING FORCES AND THE PREDOMINANT PROPORTION THEREOF BEING NORMALLY NONFELTABLE, WHICH COMPRISES SUPPORTING THE WETTED LAYER LOCALLY THROUGHOUT THE AREA TO BE AFFECTED TO MAINTAIN ITS INTEGRITY; WHILE THE LAYER IS SO SUPPORTED MOVING SEGMENTS OF FIBERS IN SAID LAYER SIDEWAYS FROM AREAS OF THE LAYER SPACED LATERALLY AND LONGITUDINALLY FROM EACH OTHER INTO CLOSER PROXIMITY TO AND INCREASED PARALLELISM WITH SEGMENTS OF ADJACENT FIBERS LYING BETWEEN SAID SPACED AREAS, BY APPLYING TO THE FIBERS EXTERNAL REARRANGING FORCES COMPRISING FORCES HAVING LATERAL TRANSLATORY COMPONENTS OF FORCE ACTING PARALLEL TO THE PLANE OF THE LAYER AND COOPERATING COMPONENTS OF FORCE.