초록

An infant nursing bottle includes a partially sealable check valve between the top of the bottle and the feeding nipple, whereby equalizing air may enter the bottle after the suction phase while the baby pauses.

대표청구항 ▼

[ What is claimed is:] [1.] A baby bottle with a threaded tops having assembled thereto:a threaded cap having a nipple therein;a rigid disk between said nipple and said bottle, said disk having a valve seat with at least one opening thereacross;a flexible valve positioned between said disk and said

[ What is claimed is:] [1.] A baby bottle with a threaded tops having assembled thereto:a threaded cap having a nipple therein;a rigid disk between said nipple and said bottle, said disk having a valve seat with at least one opening thereacross;a flexible valve positioned between said disk and said nipple and supported by said disk over said valve seat, said valve biased in a substantially closed position toward said valve seat; andat least one rib between said valve and said valve seat whereby in said substantially closed position said valve is prevented from fully closing, said rib defining at least one air passageway for permitting air to reenter said bottle when said valve is in said substantially closed position.