| 摘要 |
The present invention relates to a spring cup comprising a cup in which a spring with the expanded or contracted height is installed on a wall and a plastic cup container allowing a user to carry the cup by compressing the height of the overlapped cups wherein a part except for an inlet of a main body is sealed and dust cannot penetrate. The expanding or contracting spring is installed on the wall, and a compression member pressing the height is installed in the lower part of the main body. The compression member is connected by being fixed to the upper circumference of the main body. A protrusion is installed on the upper inner side of the compression member. |
