| 摘要 |
PROBLEM TO BE SOLVED: To allow a photo-polymerizing composition to polymerize uniformly by irradiating the photo-polymerizing composition charged in a tank with light. SOLUTION: This light irradiator comprises a tank 3 that is filled with a photo-polymerizing composition whose polymerization is accelerated by irradiation of light, a light irradiation means 5 that is immersed in the photo- polymerizing composition filled in the tank 3 and irradiates the photo-polymerization composition, an agitation means 4 that is immersed is the photo- polymerizing composition filled in the tank 3 and stirs the photo-polymerizing composition distributing near the light irradiation means 5. Thus, while the agitation means 4 stirs the photo-polymerizing composition near the light irradiation means 5, the photo-polymerizing composition is irradiated with light from the light irradiation means 5.
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