Method for producing nonwoven tuberculated formainous textile fabric

Claim 1

THE PROCESS OF FORMING A TUBERCULATED FORAMINOUS FABRIC WHICH INCLUDES INTRODUCING A WEB OF NONWOVEN FIBROUS MATERIAL WHOSE INDIVIDUAL FIBERS ARE CAPABLE OF RELATIVE MOVEMENT WITHIN THE WEB INTO A REARRANGING ZONE WHEREIN THE WEB IS SUPPORTED ADJACENT A FIRST SURFACE, CAUSING FLUID TO IMPINGE AT AN ACUTE ANGLE AGAINST ITS SECOND SURFACE IN PREDETERMINED REGIONS OF IMPINGEMENT CORRESPONDING TO A GIVEN FORAMINA PATTERN AND WITH A VELOCITY SUFFICIENT TO DISPLACE FIBERS OF THE WEB FROM BELOW A REFERENCE PLANE PARALLEL TO A SURFACE OF THE WEB TO FORM HEAPS OF FIBERS EXTENDING ABOVE SAID REFERENCE PLANE AND AREAS OF LOW FIBER DENSITY ADJACENT THE AREAS OF FLUID APPLICATION; RESTRAINING DISPLACED FIBERS DOWNSTREAM OF THE AREAS OF FLUID APPLICATION TO ASSIST IN THE FORMATION OF SAID HEAPS OF FIBERS AND TO MOLD THE CONTOUR THEREOF TO FORM CRESTS ADJACENT THE TOP OF THE HEAPS SPACED FROM EACH OTHER BOTH LENGTHWISE AND WIDTHWISE OF THE FABRIC.