| 摘要 |
PROBLEM TO BE SOLVED: To provide a multilayer object which is lightweight, inexpensive, highly rigid, and suitable for a lid. SOLUTION: In a method for forming an FRP multilayer object having hollow parts 17A, after the object being molded with a paraffin core 13 in which a fiber reinforcing material 12 is set on its peripheral surface made to lie between parts to be the hollow parts 17A, the core 13 is melted and removed outside to form the hollow parts 17A. In the method, an open mold method or a closed mold method is used, the hollow parts are formed between upper and lower plates, a resin bar 16 is formed in the clearance between the cores. |
