| 摘要 |
A baby bottle for storing milk in a substantially air-free environment and dispensing the milk without dispensing air along with the milk. The baby bottle includes a generally cylindrical housing with an open bottom and an open top. The housing is adapted for receiving a fluid therein. A cap portion is coupled to the top of the housing for closing the top of the housing. The cap portion has a nipple which has an aperture therethrough adapted for permitting passage of liquid therethrough. An insert member is slidably disposed in the housing and adapted for sealing a liquid in the housing. The insert member has a plurality of spaced apart grooves extending around an outer perimeter thereof. The insert member has a plurality of sealing bands resting in the grooves of the insert member. The sealing bands engaging an inner surface of the housing for forming a seal therebetween.
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