| 摘要 |
A double vessel having the projected surface is provided to block the transmission of a temperature of contents in the vessel effectively by the projections, and to improve beauty sensation. A double vessel having the projected surface includes: an inner cover(210,230); an outer cover(220); and a space part(240) formed between the inner and outer covers. The outer cover has plural projections(222) formed around the center in a thickness of 0.5-2 mm and a length of 1-5 mm, and the bottom formed on the lower side. The inner cover is concavely formed so as to receive contents. The bottom is formed as an opened hole communicating with the space part, and an insertion member with a certain air hole is connected to the opened hole. The outer cover, projections, inner cover, and insertion member are made of ceramic. |
