Elastically stretchable sheet

摘要

An elastically stretchable sheet for articles such as diapers and sanitary napkins. A flat sheet material intrinsically having an elastic stretchability in the longitudinal direction rather than in the transverse direction is formed with a plurality of pleats extending in the longitudinal direction and having a plurality of crests 6 and troughs 7 alternately repeating in the transverse direction and a plurality of elastic threads 4 being stretchable in the transverse direction are secured to respective apices 8 of the plurality of crests 6 forming from outer side. <IMAGE>