| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a Pachinko ball capable of confining fraudulent action caused by cashing Pachinko balls, without imparting a large economic load on the corporate manager of a game parlor. Ž<P>SOLUTION: In the Pachinko ball, depth of an engraved stamp is set to 0.18-0.22 mm, and the paint applied into the engraved stamp is made by mixing a fluorescent pigment, a light storage pigment or an ordinary pigment which is not the light storage pigment with a two-liquid mixture type resin. In the paint with the light storage pigment mixed, the engraved stamp part, when irradiated with UV generating black light, reacts to UV and is made luminous. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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