| 摘要 |
PROBLEM TO BE SOLVED: To provide a nursing bottle that can prevent the content of the bottle from leaking out of the bottle body of the bottle and the deformation of the bottle body. SOLUTION: This nursing bottle 10 is provided with the bottle body 11 having a mouth section 12, a nipple device 13 fitted to the mouth section 12, and an inner lid positioned between the mouth section 12 and the nipple deice 13. The inner lid 20 has a lid body 20a and a one-way valve 2 provided at the central part of the lid body 20a. The valve 22 opens when the internal pressure of the bottle body 11 is reduced with respect to the outside pressure and the internal and external pressures of the bottle body 11 are balanced with each other. |
