Patent ID: 8906494

Claim:
A layered base comprising a plurality of laminated layers each of which comprises a raw prepreg base comprising a fiber sheet of discontinuous reinforcing fibers having a fiber length of 1 to 300 mm and arranged in one direction and a matrix resin impregnated into the fiber sheet, wherein an additional resin layer is provided on at least one of an outermost layer and in at least one of interlayer spaces of the laminated layers, at the interlayer spaces of the laminated layers, the raw prepreg bases and/or the raw prepreg base and the additional resin layer are adhered at least partially at an interface between them to be integrated with each other, thicknesses of at least two of the additional resin layers are different from each other, and a thickness of the additional resin layer on a surface of the layered base is larger than that of the additional resin layer inside the layered base.