VESSEL WITH FLAT BOTTOM HAVING EMINENCE AND FORMED WITH BACKSIDE RECESS

摘要

PROBLEM TO BE SOLVED: To provide a bowl, a teacup and a small bowl, which can be easily washed without accumulation of a liquid.SOLUTION: A recessed shape is eliminated by making a bottom flat because the backside of an eminence of a vessel assumes the recessed shape, and the bottom of the eminence is turned into a flat surface so that a liquid cannot be accumulated.