| 摘要 |
PROBLEM TO BE SOLVED: To provide a bottle from which a fluid flows out smoothly with no breathing (a condition where a fluid in a bottle flows out intermittently only in the amount of air introduced into the bottle and which is caused when the amount of the fluid is much because air is pushed back by the pressure of the fluid and is not introduced into the bottle smoothly even if the bottle is tilted because the fluid flows out only in the amount of air introduced). SOLUTION: This bottle is so structured that air in the same amount of a fluid flowing out is introduced in the bottle smoothly regardless of the inclination of the bottle. When a fluid in the bottle is flowing out, the wider the shoulder part of the bottle is, the less stable the flow amount becomes with more breathing. By mounting an air intake tube (4) in the bottle and by tilting the bottle with the tube (4) upward, air gets in the bottle smoothly preventing breathing and the fluid flows out stably.
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