Patent ID: 8183429
Filing Date: 2012-05-22
Classification: A61F,B32B,D04H,Y10T

Abstract:
1. A composite sheet, comprising: a nonstretchable sheet including wrinkles; a stretchable nonwoven fabric including belt-shaped nondense regions extending in a first direction and dense regions extending in the first direction; and an adhesive portion that joins the nonstretchable sheet and the stretchable nonwoven fabric, the stretchable nonwoven fabric, is joined, while being extended, to the nonstretchable sheet to form the wrinkles, wherein the dense regions include first dense regions on a first side of the stretchable nonwoven fabric and second dense regions on a second side which is opposite to the first side and further from the nonstretchable sheet than the first side, the first and second dense regions are alternately arranged in a second direction that is orthogonal to the first direction, the nondense regions are arranged between adjacent first and second dense regions in the second direction, and a maximum breaking strength of the composite sheet in the first direction and the second direction is at least 20 N/50 mm.