A sheet conveyance device 10 for conveying, along a conveyance path LI, a sheet 201 in which a given region from an obverse surface toward a reverse side thereof is composed of a non-woven fabric, and a powder supply device 40 for supplying a powder S to at least a partial zone of the sheet 201, are provided. Further, a fiber-raising device 30 for raising fibers in at least part of the powder supply zone of the sheet 201 is provided on the conveyance path L1 at a position upstream of the powder supply device 40 in a conveyance direction of the sheet 201.
