| 摘要 |
PROBLEM TO BE SOLVED: To obtain solid fuel for retaining temperature and for heating that can sustain the combustion for more than about 60 minutes from the ignition until it burns up completely while it can retain the temperature of the cooked dish or heats the cooked dish; obtain a treatment jigs that can employ the commercially available solid fuel that has the ignition part all over the upper area of the fuel for keeping the temperature at a constant level or heating up; obtain an ignition-recognizing jig that can be used until the solid fuel burns up, and obtain a heat-conductive plate for avoiding the local heating. SOLUTION: The ignition area 12 in the combustion part comprising the main body of the solid fuel or the internal resin film is made smaller to keep the cooked dishes at a constant temperature or heat the already cool-down dishes. In the case of the commercially available solid fuel that has already the ignition area all over the upper face, a jig 18 is used to partially mask the fuel and narrow the ignition area. In addition, an incombustible material, for example, a metallic wire is supported over the solid fuel placed on the cooking stove, and a thermally conductive plate 16 is used on the cooking stove.
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