Inflatable valve filter

Abstract

A valve filter used for inflatable having infill inside. The valve filter has a filter body to stop the infill from escaping from the inflatable, and a patching sleeve to be attached on the inflatable or air valve of the inflatable.

Claims

1. An inflatable toy having infill inside, comprising: an inflatable body with an air hole; an air valve over the air hole; and a valve filter comprising a filter body having a plurality of holes to prevent infill pass through; and a patching sleeve extending from the peripheral of the filter body, wherein the patching sleeve is attached to the inflatable body to cover the air hole.

2. The inflatable toy, as recited in claim 1, wherein the filter body protrudes away from the air valve.

3. The inflatable toy, as recited in claim 2, wherein the filter body comprises a wall protruding from the surface level of the inflatable inwardly; and a bottom piece sealing the bottom edge of the wall.

4. The inflatable toy, as recited in claim 3, wherein the filter body is in a cup shape.

5. The inflatable toy, as recited in claim 2, wherein the filter body is in a semi sphere shape.

6. The inflatable toy, as recited in claim 1, wherein the filter body is a flat membrane.

7. The inflatable toy, as recited in claim 3, wherein the holes on the filter body are round.

8. The inflatable toy, as recited in claim 3, wherein some of or all of the holes on the filter body are slots.

9. The inflatable toy, as recited in claim 6, wherein the holes on the filter body are round.

10. The inflatable toy, as recited in claim 6, wherein some of or all of the holes on the filter body are in slot shape.

11. A method for preventing infill from passing through the air valve of an inflatable toy, comprising step of: making a valve filter by PVC, wherein the valve filter comprises a filter body having a plurality of holes to prevent infill pass through; and a patching sleeve extending from the peripheral of the filter body; attaching the patching sleeve of the valve filter to the inflatable toy to cover the air hole of the inflatable toy.

12. The method, as recited in claim 11, wherein the patching sleeve of the valve filter is attached to the inner surface of the inflatable toy around the air hole with the filter body protruding inside the inflatable.

13. The method, as recited in claim 11, wherein the patching sleeve of the valve filter is attached to the outer surface of the inflatable toy around the air hole with the filter body protruding inside the inflatable.

14. The method, as recited in claim 11, wherein the patching sleeve of the valve filter is attached to the air valve to cover the bottom thereof, and then the air valve with the valve filter is assembled to the inflatable toy through the air hole with the filter body protruding inside the inflatable.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a perspective view of a safety valve of prior art.

(2) FIG. 2 is a perspective view of the inflatable valve filter according to the present embodiment of the invention.

(3) FIG. 3 is a schematic view of the inflatable valve filter assembled with the inflatable according to the present embodiment of the invention.

(4) FIG. 4 is a schematic view of the inflatable valve filter assembled with the air valve according to the present embodiment of the invention.

(5) FIG. 5 is a perspective view of another alternative embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION

(6) In accordance with a preferred embodiment, FIG. 2 depict an inflatable valve filter 30 as a presently embodiment. The filter comprises a filter body 31 and a patching sleeve 32. The filter body 31 has a plurality of small holes 33. The size of the holes is large enough to let air flow, but small enough to stop the infill of the inflatable.

(7) In the preferred embodiment, in order to make space for the air valve to operate, the filter body 31 protrudes from the surface level with a height. Referring to FIGS. 2 and 3, the filter body is in a cup shape with a wall 311; and a bottom piece 312 seals the edge of the wall 311. The bottom piece 312 has a distance with the air valve 10 so it won't block it.

(8) Alternatively, besides the cup shape, the filter body 31 may have different shapes, such as semi sphere, barrel shape, etc. In an alternative embodiment of the present invention, the filter body 31 may be a flat membrane at the same level of the sleeve 32, if there is enough space for the air valve 10 to operate.

(9) The shape of the small holes 33 may also be different. Preferably, the small holes 33 are round. Referring to FIG. 5, alternatively, some or all of the small holes 33 may be slots which are slim enough to stop the infill.

(10) Referring to FIG. 2, the small holes are on both the wall 311 and the bottom piece 312 of the filter body 31 to increase the air flow. The number and the distribution of the holes may be alternative for manufacture and functional reasons.

(11) The patching sleeve 32 extends from the top edge of the filter body 31 at the surface level of the inflatable 20. Preferably, the sleeve is in a round shape with a certain width.

(12) With the patching sleeve, the valve filter 30 can be applied to an inflatable 20 directly. Referring to FIG. 3, the whole valve filter 30 can be inserted into the inflatable 20 through the air hole 21 thereon, and the patching sleeve 312 can be attached onto the inner surface of the inflatable 20 to seal the air hole 21. Or alternatively, the filter body 31 can be inserted into the inflatable 20 through the air hole 21 thereon, and the patching sleeve 312 can be attached on the outer surface of the inflatable 20 to seal the air hole 21.

(13) Referring to FIG. 4, alternatively, the valve filter 30 can be attached to the sleeve 16 of the air valve 10 with the filter body 31 protruding against the air valve 10, and the air valve 10 with the valve filter 30 may be applied to the inflatable 20 later and let the filter body to cover the air hole of the inflatable eventually.

(14) In order to adapt to the current using air valves, the valve filter 30 of the present invention is made of PVC. The patching sleeve 32 of the valve filter can be attached to the inflatable 20 or the air valve 10 by glue or heating. Alternatively, other materials may also be used to produce the valve filter 30.

(15) In summary, the valve filter of the present invention can prevent infill from escaping from the inflatables. Also, it can be applied to inflatables and air valves without increase the cost or involving extra equipment.

(16) While the embodiments and alternatives of the invention have been shown and described, it will be apparent to one skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention.