Abrasive Insole and Method of Manufacture

Abstract

An abrasive insole and method of manufacture. The insole is integrated into the shoe at the time of manufacture. The insole provides a roughly textured surface to abrade the skin on the soles of the feet for purposes of cosmetic appeal and skin health. The abrasive insole works similarly to the textured, sandpaper-like tools that are used in pedicure to soften the skin of the foot by exfoliation. The method of manufacture involves a mold of a sand-and-polymer mixture to produce a flexible insole; one iteration is of 3/32 to 0.25-inch thickness.

Claims

1. An apparatus and method of manufacture of an abrasive insole comprising: a polymer combined with sand; and said polymer-and-sand combination molded to form an insole of a shoe; wherein the polymer-and-sand combination comes in contact with at least the bottom of a foot when the shoe is worn.

2. The apparatus and method of claim 1 wherein the polymer is a thermoplastic polymer.

3. The apparatus and method of claim 1 wherein the polymer is a thermoset polymer.

4. The apparatus and method of claim 1 wherein the polymer is silicone.

5. The apparatus and method of claim 1 wherein the sand is basalt.

6. The apparatus and method of claim 1 wherein the sand is garnet.

7. The apparatus and method of claim 1 wherein the polymer-and-sand combination is co-molded with a sole of a shoe to form an insole of a shoe at a thickness of 0.09375-0.25.

8. The apparatus and method of claim 1 wherein the polymer-and-sand combination is co-molded with a sole of a shoe forming an insole of a solid-core material.

9. An apparatus and method of manufacture of an abrasive shoe insole comprising: a polymer combined with sand; and said polymer-and-sand combination molded in sheet form; and said sheet die-cut into shapes; wherein said shapes are configured to fit into a shoe.

10. The apparatus and method of claim 9 wherein said shapes are specific to a given shoe size.

11. The apparatus and method of claim 9 wherein said shapes are configured to be cut to fit a given shoe size.

12. The apparatus and method of claim 9 wherein the polymer is a thermoplastic polymer.

13. The apparatus and method of claim 9 wherein the polymer is a thermoset polymer.

14. The apparatus and method of claim 9 wherein the polymer is silicone.

15. The apparatus and method of claim 9 wherein the sand is basalt.

16. The apparatus and method of claim 9 wherein the sand is garnet.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0013] FIG. 1 is a perspective, front view of an iteration of the embodiment, shown installed in a sandal.

[0014] FIG. 2 is a perspective, rear view of an iteration of the embodiment, shown installed in a sandal.

[0015] FIG. 3 is a section view of an example embodiment.

[0016] FIG. 4 is a front, perspective view of another iteration of the embodiment shown separately and as inserted into a sandal.

DESCRIPTION

[0017] In FIG. 1 an example embodiment 100 shows a provided sandal 110, onto which is installed the insole 114 onto a outsole 112 to fit within the boundaries of an upper 116. One skilled in the art understands that the provided sandal represents any type of shoe.

[0018] FIG. 2, 100 shows in rear view an iteration of the embodiment 100, with the insole 114 installed in a provided sandal 110. Other reference numbers are shown for reference.

[0019] FIG. 3 is a section view of the embodiment 100 showing the insole 114 co-molded with the outsole 112 and fitting within the upper 116 of a sandal 110.

[0020] In FIG. 4 an iteration of the example embodiment 200 shows a provided sandal 210, onto which is installed the insole 214 to fit within the boundaries of an outsole 212 and an upper 216. One skilled in the art understands that the provided sandal represents any type of shoe.

[0021] These embodiments should not be construed as limiting.