| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a hollow molding of an FRP which can be easily performed without reducing the strength of the molding. SOLUTION: Two members of the FRP are hermetically connected with each other to form a hollow core material 13. The hollow core material 13 has a communication hole 14 communicating with the inside and the outside of the hollow core material 13. The side face and the bottom face of the hollow core material 13 other than the communication hole 14 are covered with prepregs 17, 18, and the prepregs 17, 18 are hardened. COPYRIGHT: (C)2007,JPO&INPIT |
