| 摘要 |
A one-way air valve that is mounted removably at one end of a baby bottle housing having two threaded open ends, with the opposite end receiving a conventional nipple, the one-way air valve includes a central diverging passage defined by opposed converging side walls which has a tiny slit elongated along the apex portion of the converging side walls and an annular base sized for attachment to the open end of said baby bottle, the valve being concavely mounted into the bottle to avoid breakage and to prevent leakage of the contents, while preventing colic in the child.
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