摘要 |
<P>PROBLEM TO BE SOLVED: To provide a roaster heat plate heated up to the peripheral end thereof, discharging air in the heat plate without trouble, and easy to clean. <P>SOLUTION: The heat plate 1 having a center part swelling into a dome shape having a peripheral end provided with a side wall 2 hanging down, and provided with multiple through-holes scattering excluding the vicinity of the center top part of the dome shape. The through-hole has a tongue piece therein, the tongue piece having a base portion 41 connected to an end surface of the through-hole, and an end portion 42 projecting toward a front side 11 or a back side 12 to cover the through-hole. The through holes 3A each having the tongue piece 4A projecting on the front side 11, are disposed on the inside near the center top part, the through-holes 3B each having the tongue piece 4B projecting on the back side 12, are disposed outside the through-holes 3A, and further the through-holes 3C without a tongue, are bored in the periphery on the outermost side and near the end. <P>COPYRIGHT: (C)2013,JPO&INPIT |