US Patent 9695712 Attachment boss and fan case

A boss for attachment of an auxiliary device to a fan case of an engine includes a pedestal including a plurality of accumulated layers of reinforcement fibers and a matrix combining the reinforcement fibers together, the pedestal including a bottom face in a shape capable of being in close contact with an outer periphery of the fan case; and an embedded body embedded in the pedestal and including a combining structure combinable with the auxiliary device.