Stuff-in type nose plug with air filters

Surgery – Respiratory method or device – Means for removing substance from respiratory gas

Reexamination Certificate

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Details

C128S205270

Reexamination Certificate

active

06216694

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a stuff-in type nose plug with air filters, which is made up a pair of plug units that are integrally connected to each other at one end and has an air filter made of active carbon fixed to the air inlet of each plug unit. Each plug unit made of soft material can be closely engaged with the nostril respectively so as to permit air to be inhaled via each active carbon air filter so that dirt and filthy air can be completely filtered into fresh air before being inhaled by a person.
Air pollution has become a global problem in urban areas all over the world. Exhausted waste from motorcycles and automobiles mainly contribute to the serious problem especially in large cities. Masks have been widely used by people to protect themselves from polluted air. However, a tightly fixed mask makes a wearer subject to heat and sweat in one aspect and a person wearing a mask can not talk naturally and not eat with ease. A mask in practical use can easily spoil make-up especially on lips of a female wearer. Besides, a mask can not be easily fit on the face of a wearer, permitting filthy air to flow into from the periphery thereof.
SUMMARY OF THE INVENTION
Therefore, the primary object of the present invention is to provide for a stuff-in type nose air filter, which is equipped with a pair of integrally, connected hollow plug units substantially in a conic shape. A belt section connects the two conic plug units to each other. The conic plug units are made of soft material so that they can be fitted in nostrils of a person with comfort. A filter made of active carbon is secured to the inlet of each conic plug unit for filtering filthy air. The front tip of each conic tube is made to have a slanted plane opening so that they can be fitted and comfortable in contact with the Nose Bridge of a wearer.
Another object of the present invention is to provide for a stuff-in type nose air filter, which can be retained in the nostrils of a person even when the person is eating, drinking and talking without producing uncomfortable feeling.


REFERENCES:
patent: 2672138 (1954-03-01), Carlock
patent: 4221217 (1980-09-01), Amezcua
patent: 4327719 (1982-05-01), Childers
patent: 5425359 (1995-06-01), Liou
patent: 393516 (1933-06-01), None

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