COMPOSITE SHEET AND ABSORBENT ARTICLE HAVING THE SAME, MANUFACTURING APPARATUS OF COMPOSITE SHEET AND MANUFACTURING METHOD OF COMPOSITE SHEET

摘要

PROBLEM TO BE SOLVED: To provide a composite sheet capable of stably controlling fluid diffusion of a body fluid.SOLUTION: A composite sheet 1 is formed of a laminate of a first sheet 1u and a second sheet 1d. The composite sheet 1 has a plurality of joining parts 2 between the first sheet 1u and the second sheet 1d, and the first sheet 1u forms a plurality of convex parts 3 projecting in a direction away from the second sheet 1d in portions other than the joining parts 2. The convex parts 3 form convex part rows 3R intermittently arranged in a direction inclined relative to a longitudinal direction X and a lateral direction Y respectively from a central portion of the composite sheet 1 in the lateral direction Y toward both end parts in the lateral direction Y. A plurality of convex part rows 3R are arranged at a certain interval in the longitudinal direction X. In the convex parts 3 constituting each convex part row 3R, the basis weight of an apex of the convex part 3 gradually increases from the central portion in the lateral direction Y toward both end portions in the lateral direction Y.SELECTED DRAWING: Figure 1