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Title:
COMPOSITE MATERIAL AIRCRAFT PART AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2020055447
Kind Code:
A
Abstract:
To provide a composite material aircraft part including a three-dimensional shape, which can be efficiently manufactured without using autoclave molding.SOLUTION: The aircraft parts (T-shaped member 21, convex member 22, curved member 23, etc.) have a laminated structure in which a plurality of composite material layers are laminated. At the same time, it has at least one of a standing portion 20b, a convex portion 20c, and a curved portion 20d as a three-dimensional structure. In each of the composite material layers, the reinforcing fiber is composed of a single continuous fiber that does not include a joining portion, and includes a partial cut portion 12a. The aircraft parts have the same laminated structure, and when the thickness of a flat plate molded body 11 having no three-dimensional structure is used as the reference thickness, a thin plate having a thickness smaller than the reference thickness while maintaining the laminated structure is included. Further, the reinforcing fiber includes an open cut portion 13b in which the cut portion 12a is open.SELECTED DRAWING: Figure 1

Inventors:
SHIMADA NAOKI
NAKAYAMA YOSHIHIRO
OCHI SAYAKA
OKUMURA KENSHIROU
KANAZAWA SHOHEI
Application Number:
JP2018187994A
Publication Date:
April 09, 2020
Filing Date:
October 03, 2018
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
B64C1/00; B29C43/34; B29C70/16; B29C70/42; B32B3/30; B32B5/02; B32B5/26; B32B27/04; B64F5/10
Attorney, Agent or Firm:
Patent business corporation Yuko patent office