Patent ID: 11945177
Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Field: Other special machines (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. A method of manufacturing an intermediate product of an elongated aircraft part, the aircraft part including a curved portion and bent portions, the curved portion being curved in a longitudinal direction of the aircraft part, the bent portions being formed at respective side edge portions of the aircraft part,
the method comprising:
working a first laminated body to form a second laminated body, the first laminated body being formed by laminating prepregs including reinforcing fibers and resin, the second laminated body including a flat portion and a wavy portion, the flat portion being located at at least one of side edge portions of the second laminated body, the wavy portion being located at a portion adjacent to the side edge portion and extending along the longitudinal direction; and
forming the intermediate product from the second laminated body by a forming die such that the flat portion becomes the bent portion that is an inside portion whose circumferential length is shorter in the curved portion, and the wavy portion becomes the bent portion that is an outside portion whose circumferential length is longer in the curved portion.