| 摘要 |
PURPOSE: A method for installing a neck portion to a liquid container is provided to help a user to accurately pour a certain liquid into an object thing regardless of the shape, the size, and the material, and so on of the container. CONSTITUTION: A conventional liquid container is provided with a guide line for facilitating the smooth flow of liquid according to the size, the material, the shape, the capacity, and the use of a liquid container. The guide line has concave U-shaped form starting from the bottom of a liquid container. After that, a streamline neck portion is formed toward a direction deviated from the distal point of the guide line, and one of existing various caps is installed to the neck portion.
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