| 摘要 |
A disposable plastic bottle used to contain fluid substances having an integral, flexible funnel spout, with sealable opening, featuring an external air vent integrally formed into the mouth of the spout suitable for accurately transferring fluids through tight filler openings which would ordinarily require the use of a separate funnel or spout. When the mouth of the spout is snugly inserted into a receptacle, the external air vent will provide a direct air passage to the contents of the bottle allowing the liquid to flow smoothly without restriction. The spout is integrally formed atop the bottle and comprises a plurality of bellows like ribs. Such ribs have a thinner cross-sectional wall than the side walls of the container body. This permits the spout to be flexed, enabling the ribs to collapse over-center and fold, allowing the spout to retain the flexed condition without external assistance, thereby creating a self latching feature. The spout can be fully or partially extended and shaped to retain the configuration the user needs to reach inaccessible filler holes. Once the desired amount of fluid has been transferred, the spout may then be retracted back to its packaged state and sealed with a threaded closure cap for storage or disposal.
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