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US 6,484,725 B1Granted
Nose plug device having air breathing structure
OwnerMin Hung Chiinventor
Life of this patent
Estimating the term…
Abstract
A nose plug device includes one or two elongate members for engaging into the nostrils of the nose of a user. The elongate members each includes a check valve for allowing air to flow out of the elongate member and for preventing air or water from entering into the elongate member. The check valves each includes a forwardly curved or convex membrane having a slit for forming the check valve. The elongate members each has one or more peripheral flanges for engaging with the nose and for making a water tight seal with the nose and for securing the elongate members in the nose.
Claims2
A nose plug device comprising:
- two elongate members for engaging into nostrils of a nose of a user, and said elongate members each including at least one peripheral flange extended radially outward therefrom for engaging with and for making a water tight seal with the nose of the user,
- said elongate members each including a check valve provided therein for allowing air to flow out of said elongate member and for preventing air from entering into said elongate member, said check valves each including a resilient membrane provided therein and convex and curved forwardly of said elongate members respectively and having a slit formed therein, said slit of said resilient membrane being provided and closed for blocking air from entering into said elongate members, and said slit of said resilient membrane being opened when air flows out through said elongate members, and
- means for coupling said elongate members together.
Dependencies are inferred from the claim text.