| 摘要 |
PURPOSE:To form a reflector having plural aperture diameters by one kind of metallic die by using an upper and a lower metallic die split concentrically so as to apply pressing. CONSTITUTION:A radio wave reflection raw member 6 and an FRP raw member 5 are placed on the lower metallic die 8 shaping the reflector surface. The upper metallic die 7 shaping the reflector rear face is split concentrically. Further, the upper metallic dies 7a, 7b, 7c are adjusted for the relation of position at each boundary face optionally and for example, a step A is set between the metallic die 7a and the metallic dies 7b, 7c. Thus, in applying pressing in this state, the reflector whose aperture diameter is equal to the outer diameter of the metallic die 7b is formed.
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