| 摘要 |
PROBLEM TO BE SOLVED: To provide a container openable by single operation, capable of quickly finishing pouring completion by widely opening a pouring port when the container is opened and preventing the container from being stained by the ejection of contents, enabling anyone to easily open the pouring port, and further capable of being opened by everybody, being not broken when packed for delivery, and being produced at a low cost with a small loss of a raw material. SOLUTION: A groove is provided in one container to which a lid is attached, and the lid (2) is arranged at a portion where the lid is to be attached. The one grooved container is attached to the lid (2). A pouring port is widened by applying a momentary light pressure to both ends of the lid (2) with one hand, and the container is opened by single operation. Two layers are integrated into the one container.
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