| 简介 |
PROBLEM TO BE SOLVED : fried, cooked product, efficiently cooks food, and can be easily performed, and can be used repeatedly for a long period of time to provide a cooking utensil. SOLUTION : the surface of a ceramic material, a glaze layer composed of a rare earth metal-containing ore is formed, and formed into a substantially donut shape, a plurality of recessed portions 3 are formed on both end faces. Furthermore, the plurality of the recessed parts 3, a plurality of corrugated in a plan view. Furthermore, on one end side of the substantially doughnut shape, protruding from the plurality of recess 3 is formed with a plurality of protruding parts. Selected drawing : fig. 2 |
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