| 摘要 |
PURPOSE: A double pack is provided to maintain an original shape of a print unit formed on the outer surface of the double pack after the leakage of contents from the double pack. CONSTITUTION: A double pack includes a storage body, a water inlet/outlet body, a water inlet/outlet unit, and a drain line. The storage body(40) is installed in the inside of a main body for storing contents. The water inlet/outlet body(51) penetrates the main body(10) and the storage body, and includes a flow path connected to the inside of the storage body. The water inlet/outlet unit(50) is located in the inside of the storage body, and includes a lid for closing the flow path. The drain line(53) is installed on the outside of the water inlet/outlet body. |
