| 摘要 |
A nipple assembly is provided for a water bottle. The tamper-evident cap from a bottle is removed and replaced with a nipple cap that has an opening through which a nipple extends. The nipple has a flange that is urged against an end wall of the nipple cap by a lip of the bottle. An annular disc is preferably interposed between the lip and the nipple flange with the disc being fastened to the nipple cap to prevent separation of the nipple from the nipple cap. A small channel in the disc places the inside of the bottle in gaseous communication with threads on the cap and thus in communication with the air. The channel is small enough to prevent fluid from leaking from the bottle.
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