| 摘要 |
PROBLEM TO BE SOLVED: To provide a circulating/polishing apparatus installed in a game parlor for circulating and polishing game media such as pachinko balls and tokens, with increased performance of adsorbing dust or powder dust, capable of facilitating the maintenance. SOLUTION: Abrasive 10 formed in the shape of chips, made of powder tourmaline blended and kneaded with a synthetic resin composition, is mixed in circulating paths 1 and 3 of the circulating/polishing device installed in the game parlor. The abrasive is formed in the shape of chips with the synthetic resin composition, in which at least 50% 6 nylon by weight is blended, as a binder. COPYRIGHT: (C)2006,JPO&NCIPI
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