| 摘要 |
PROBLEM TO BE SOLVED: To simplify the manufacture process of a radome of lightweight and superior rigidity by impregnating a blending resin to a fibrous binder and a fiber reinforcing material layer of a core material, formed by stitching and fixing the fiber reinforcing material layer to the front side and a rear side of a polyethylene group foaming resin core material formed in a radome shape with the fibrous binder and curing the resulting material as a fiber reinforcing resin, so as to integrally couple and form the fiber reinforcing resin with the core material. SOLUTION: Although any raw material can be used for a core member 2 for example, a polyethylene group foaming resin with superior transmissivity of a microwave is employed. The core member 2 is formed in advance, in matching with a shape of a radome 6 to be formed. The core member 2 made of the polyethylene group foaming resin has elasticity, and since fiber reinforcing resin layers 3, 4 can be pressed onto an inner face of a forming space of a forming die, the thickness of the fiber reinforcing resin material can be made constant. Because the fiber reinforcing resin layers 3, 4 are stitched to the core member 2 by a fibrous binder 5 and the packing of the blending resin adopts no pressuring method, no fiber flow is caused at resin packing, and the resin stays uniformly.
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