| 摘要 |
PROBLEM TO BE SOLVED: To provide a vessel for rice balls made of gelatinized rice that has a flat shape and is laid horizontally and can swell the gelatinized rice grains charged in the vessel in a short time. SOLUTION: The main body 100 of this vessel is made of an readily deformable and thin wall plastic and the peripheral wall 102 rises up from the peripheral edge of the triangular bottom face 101 and the lid body 110 is fitted thereto to cover the vessel 100 thereby providing a flat cavity 104. In this case, the size of the cavity 104 of the vessel main body 100 is made a little smaller than that, when the charged gelatinized rice grains are swollen and the bottom face 101 of the vessel main body 101 is made convex at the central part from the peripheral edge. |
