MANUFACTURE OF OUTER CASE, INNER CONTAINER, AND HOT WATER STORAGE CONTAINER

摘要

PURPOSE:To easily produce an outer case, an inner container, and a hot storage container according to the amount of hot water to be stored. CONSTITUTION:Two or more space molds 29a, 29b are prepared so that a hot water storage tank l having dimensions larger than the standard dimensions of an outer case 4 for holding the minimum hot water storage tank and the outer case correspond to each other. The space molds 29a, 29b are selected, the outer case 4 and the hot water storage tank 1 are molded respectively, the outer case 4 is separated to make a main part and a subordinate part, and the hot water storage tank is placed.