Non-woven tuberculated foraminous textile fabric

Claim 1

A NONWOVEN TUBERCULATED FORAMINOUS TEXTILE FABRIC COMPRISING A WEB OF FIBERS HELD TOGETHER IN A UNITARY STRUCTURE BY MECHANICAL INTERLOCKING AND ENTANGLEMENT OF THE FIBERS AND ARRANGED IN A PATTERN OF TUBERCLE PORTIONS AND TUBERCLE INTERCONNECTING PORTIONS DISPOSED SUBSTANTIALLY UNIFORMLY OVER THE SURFACE OF THE FABRIC, SAID TUBERCLE PORTIONS EXTENDING EACH FROM A BASE IN ONE FACE OF THE FABRIC TO A CREST MOLDED TO A GIVEN CONTOUR IN THE OTHER FACE OF THE FABRIC, THE TUBERCLE PORTIONS FROM BASE TO CREST CONSTITUTING THE THICKEST PORTIONS OF THE FABRIC AND COMPRISING FIBER SEGMENTS COMPACTED THROUGHOUT TO SUBSTANTIALLY THE SAME FIBER DENSITY, THE INDIVIDUAL TUBERCLE PORTIONS IN THE UPPER REGIONS THEREOF IN THE VICINITY OF SAID CRESTS BEING SPACED FROM EACH OTHER LENGTHWISE AND WIDTHWISE OF THE FABRIC AND IN THE LOWER REGIONS THEREOF, DOWNWARDLY FROM SAID CRESTS, BEING CONNECTED TOGETHER BY SAID TUBERCLE INTERCONNECTING PORTIONS, AND SAID TUBERCLE INTERCONNECTING PORTIONS COMPRISING FIBER SEGMENTS COMPACTED THROUGHOUT TO SUBSTANTIALLY THE SAME FIBER DENSITY AS THE FIBER SEGMENTS IN THE TUBERCLE PORTIONS AND BEING THINNER THAN THE THICKEST PORTIONS OF THE FABRIC WEB BUT VARYING IN THICKNESS FROM A REGION ADJACENT THE CRESTS OF THE TUBERCLE PORTIONS TO THINNER REGIONS OF SAID TUBERCLE INTERCONNECTING PORTIONS, THERE BEING THINNER REGIONS OF SAID TUBERCLE INTERCONNECTING PORTIONS COMPLETELY SURROUND EACH OF THE TUBERCLE PORTIONS.