Drinking vessel cover with air check valve

Abstract

A drinking vessel includes a bottle having a chamber for receiving a liquid, and a mouth communicating with the chamber of the bottle, a cover device includes a cover member for detachably attaching to the mouth, the cover member includes a port having a passage formed in the port and communicating with the chamber of the bottle, a plug is attached to a lower portion of the port and includes an orifice communicating with the passage of the port and the chamber of the bottle, a valve member is engaged in the passage of the port, and the port includes a rib for anchoring the valve member in the passage of the port and for preventing the valve member from being disengaged from the cover member.

Description

BACKGROUND OF THE INVENTION1. Field of the Invention[0001]The present invention relates to a drinking vessel cover, and more particularly to a drinking vessel cover including an air check valve provided in the cover for temporarily covering or sealing the drinking vessel and for preventing the dirt or saliva or contaminant from entering into the drinking vessel after use.2. Description of the Prior Art[0002]Typical drinking vessels or bottles comprise a cover attached onto the open mouth of the drinking vessel for covering or sealing the drinking vessel, and the cover may be disengaged or separated or removed from the drinking vessel for allowing the liquid or water or beverage contained in the drinking vessel to be drank by the user, and the cover may then be attached onto the open mouth of the drinking vessel again for covering or sealing the drinking vessel after use.[0003]For example, U.S. Pat. No. 4,102,476 to Loeffler, and U.S. Pat. No. 4,133,446 to Albert disclose several of ...

AI Technical Summary

Benefits of technology

The invention is a drinking vessel cover with a valve that can be used to temporarily cover or seal the drinking vessel to prevent dirt or saliva from entering after use. The cover has a pathway for the liquid to be drunk, and a projection that prevents the valve from blocking the pathway. The technical effect of this invention is to provide a convenient and hygienic way to make sure the liquid you drink is safe and clean.

Problems solved by technology

However, the typical drinking vessel covers include a complicated structure or configuration that may not be easily made or manufactured and that may include a complicated making or manufacturing procedure and that may include a greatly increased manufacturing cost.

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