| 摘要 |
An annular adapter adapts a standard beverage bottle, such as a plastic water bottle, to accommodate the internal threads of a baby's annular nipple cap, which has a nipple inserted therein. Inside the annular adapter is a seal, such as a disc-shaped annular ledge extending in a plane perpendicular to the axis of the adapter, to prevent leakage, when a baby bottle nipple and cap are inserted over the exterior threads of the annular adapter. Liquid flows through a the central opening of the annular adapter. The nipple is inserted and the seal engages the bottle of the water bottle, the annular adapter is screwed over a conventional threaded exterior neck of a standard beverage bottle, such as a water bottle.
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