Yumen fastener, diapers, and fixing method

摘要

Yumen fastener (100) has a seat (50) having a main surface (51), pillar portions rising from the major surface (51) of the sheet (50) (21) and said pillar portion (21) set apical main surface of the pillar portion in a manner that along the (51) engaging element having an engaging head that bulges from (21) (22) (20) engaging element which are regularly arranged (20) and (C20), equipped with the area of the set (C20) major surface of the range was arranged (51) of the engaging element (20) and S1, in a set of engagement elements (20) (C20) when the total area of the upper surface of the engaging head (22) of the engaging element (20) and S2, to satisfy 0.05 S2 / S1 0.15