| 摘要 |
PURPOSE:To improve the safety and serviceability of a canned beverage by applying a mark to a can wall in order to discriminate the propriety of heating, and heating only the canned beverage which is discriminated to be heatable by means of a mark discriminating means. CONSTITUTION:A heating coil 12 to induction-heat the canned beverage is provided, the mark is applied to the can wall of the canned beverage in order to discriminate the propriety of heating, and a mark discriminating means 15 to discriminate the mark and a heating control means 16, which heats only the canned beverage that is discriminated to be heatable by the mark discriminating means 15, are provided. Thus since only the canned beverage, which is discriminated to be heatable by the mark discriminating means 15, is heated, dangers that the can surface may be turned or the can may blow up are eliminated, and the safety is improved. |
