| 摘要 |
A MULTILAYER NONWOVEN FABRIC COMPRISING A FIRST FIBER LAYER (141) AND, SUPERIMPOSED ON ONE MAJOR SURFACE OF THE FIRST FIBER LAYER, A SECOND FIBER LAYER (142), WHEREIN AS VIEWED FROM THE OTHER MAJOR SURFACE OF THE FIRST FIBER LAYER, THERE ARE PROVIDED MULTIPLE GROOVE PORTIONS (1) FORMED ALONG A FIRST DIRECTION WITH THE CONFIGURATION OF BEING DEPRESSED IN THE DIRECTION OF THE THICKNESS OF THE MULTILAYER NONWOVEN FABRIC AND MULTIPLE CONVEX PORTIONS RESPECTIVELY DISPOSED ADJACENT TO THE MULTIPLE GROOVE PORTIONS WITH THE CONFIGURATION OF BEING PROTRUDENT IN THE DIRECTION OF THE THICKNESS, THE MULTIPLE CONVEX PORTIONS HAVING A WEIGHT PER AREA HIGHER THAN THAT OF REGION (A) CONSTITUTING THE BOTTOM PART OF GROOVE PORTIONS, AND WHEREIN AS VIEWED FROM THE THICKNESS DIRECTION, THE MULTIPLE CONVEX PORTIONS AND THE REGION (A) CONSTITUTING THE BOTTOM PART OF MULTIPLE GROOVE PORTIONS CONSIST OF THE FIRST FIBER LAYER AND THE SECOND FIBER LAYER, AND WHEREIN THE SECOND FIBER LAYER CONSTITUTING EACH OF THE MULTIPLE CONVEX PORTIONS HAS THE CONFIGURATION OF HAVING THE SURFACE OF THE SECOND FIBER LAYER CLOSE TO THE FIRST FIBER LAYER PROTRUDING ON THE SAME SIDE AS THAT OF PROTRUSION OF THE OPPOSITE OF THE FIRST FIBER LAYER. |
