Nasal filter
OwnerWen-Shin Changinventor
Life of this patent
Estimating the term…
Abstract
A nasal filter comprising two filter bodies, a connecting portion and two filter materials is provided. The filter body respectively has a top surface, a bottom surface and a first axial hole. The first axial hole penetrates the top surface and the bottom surface, and a first opening and a second opening respectively form on the top surface and the bottom surface. The diameter of the first opening is smaller than the diameter of the second opening. The connecting portion has two ends connected with the two filter bodies respectively. The two filter materials are respectively disposed in the two first axial holes, wherein the diameter of the filter material is greater than or equal to the diameter of the second opening.
Claims24
A nasal filter, comprising:
- two filter bodies respectively having a top surface, a bottom surface and a first axial hole, the first axial hole penetrating the top surface and the bottom surface, and on the top surface and the bottom forming a first opening and a second opening respectively, wherein the diameter of the first opening is smaller then the second opening;
- a connecting portion having two ends connected with the two filter bodies respectively;
- and
- two filter materials respectively disposed in each of the two first axial holes, wherein the diameter of the filter material is bigger then or equal to the second opening.
A nasal filter, comprising:
- two filter bodies having a top surface, a bottom surface, a first axial hole and a second axial hole respectively, the first axial hole and the second axial hole respectively penetrating the top surface and the bottom surface, wherein the second axial hole further forms a first opening and a second opening on the top surface and the bottom surface respectively, and the diameter of the first opening is smaller then or equal to the second opening;
- a connecting portion having two ends connected with an outer surface of the two filter bodies;
- and
- two filter materials respectively disposed in the first axial hole, and at least one brace and a covering disposed on the bottom surface of the first axial hole, the covering axially movable along the brace, wherein the diameter of the filter material is bigger then or equal to the second opening.
Dependencies are inferred from the claim text.