Patent ID: 8101262

Claim:
A fiber reinforced plastic comprising a plate body having a plate portion and a protrusion portion rising from at least one surface of the plate portion, in which the plate portion and the protrusion portion comprise plural reinforcing fibers and a matrix resin integrated with the plural reinforcing fibers, wherein (a) the plural reinforcing fibers in the plate portion and the protrusion portion are formed of at least two reinforcing fiber layers arranged such that the plural reinforcing fibers in the respective layers extend in different directions, (b) respective fiber lengths of the plural reinforcing fibers in each of the reinforcing fiber layers is 10 to 100 mm, (c) at least a part of the reinforcing fibers in each of the reinforcing fiber layers extend continuously from the plate portion to the protrusion portion, and (d) at least one reinforcing fiber layer of the at least two reinforcing fiber layers in the protrusion portion has a shape extending along a shape of the protrusion portion.