Waterproof and breathable insole

Abstract

A waterproof and breathable insole includes a shoe lining with two bottom side edges respectively curved inwards, an insole, which is peripherally stitched to the border area of the shoe lining and has two projections longitudinally arranged at two sides respectively attached to the bottom side of the bottom side edges of the shoe lining and defining with the bottom side edges of the shoe lining a plurality of gaps for ventilation, and a pad, which has a layer of waterproof and breathable material and is bonded to the whole area of the outside wall of the insole and a part of the shoe lining with a layer of non-waterproof and breathable glue.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an elevation view of a waterproof and breathable insole in accordance with a first embodiment of the present invention.

FIG. 2 is a perspective view of the waterproof and breathable insole according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view of the toe box part of the waterproof and breathable insole according to the first embodiment of the present invention.

FIG. 4 is a cross-sectional view of the heel part of the waterproof and breathable insole according to the first embodiment of the present invention.

FIG. 5 is a cross-sectional view of the heel part of a waterproof and breathable insole in accordance with a second embodiment of the present invention.

FIG. 6 is a perspective view of the waterproof and breathable insole in accordance with a third embodiment of the present invention.

Claims

1. A waterproof and breathable insole comprising: a shoe lining, said shoe lining having two bottom side edges respectively curved inwards;an insole mounted inside said shoe lining, said insole having a flat elongated insole body fitting the toes, transverse arch and plantar arch of the user's foot and peripherally stitched to said shoe lining, a rear heel portion extending backwards from said flat elongated insole body, and two projections longitudinally arranged at two sides respectively attached to said bottom side edges of said shoe lining at a bottom side and defining with said bottom side edges of said shoe lining gaps for ventilation; anda pad bonded to the whole area of an outside wall of said insole and a part of said shoe lining with a layer of glue, said pad comprising a layer of waterproof and breathable material.

2. The waterproof and breathable insole as claimed in claim 1, wherein said insole has a rear end stitched to said shoe lining.

3. The waterproof and breathable insole as claimed in claim 1, wherein said pad further comprises at least one layer of non-woven fabric bonded to said layer of waterproof and breathable material.

4. The waterproof and breathable insole as claimed in claim 3, wherein said pad comprises two said layers of non-woven fabric respectively bonded to two opposite sides of said layer of waterproof breathable material.

5. The waterproof and breathable insole as claimed in claim 1, wherein said layer of glue is a non-waterproof and breathable glue.

6. A waterproof and breathable insole comprising: a shoe lining, said shoe lining having two bottom projections respectively extended from two opposite bottom side edges thereof;an insole, said insole having a flat elongated insole body fitting the toes, transverse arch and plantar arch of the user's foot and peripherally stitched to said shoe lining, a rear heel portion extending backwards from said flat elongated insole body, and a non-stitch border part attached to a bottom side of the bottom projections of said shoe lining for ventilation of air through gaps in between said border part of said insole and said bottom projections of said shoe lining; anda pad bonded to the whole area of an outside wall of said insole and a part of said shoe lining with a layer of glue, said pad comprising a layer of waterproof and breathable material.

7. The waterproof and breathable insole as claimed in claim 6, wherein said insole has a rear end stitched to said shoe lining.

8. The waterproof and breathable insole as claimed in claim 6, wherein said pad further comprises at least one layer of non-woven fabric bonded to said layer of waterproof and breathable material.

9. The waterproof and breathable insole as claimed in claim 8, wherein said pad comprises two said layers of non-woven fabric respectively bonded to two opposite sides of said layer of waterproof and breathable material.

10. The waterproof and breathable insole as claimed in claim 6, wherein said layer of glue is a non-waterproof and breathable glue.