Antistatic fiber-foam shoe insoles, and a method of manufacturing the same
AssigneeO2 Partners, LLC
InventorsDaniel Loyley, Robert Falken, Fabio Zanotto
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Abstract
This document discloses antistatic shoe insoles that include a flexible foam layer and antistatic filaments of textile material interspersed throughout the foam layer and extending passed or exposed at the surface of the shoe insole and methods of making such an antistatic shoe insole. The antistatic filaments are needle punched through the foam layer. The antistatic filaments may be any suitable antistatic material blended with any felt fiber such as wool fiber, cotton fiber, polyester fiber, or the like.
Claims11
An antistatic shoe insole comprising:
- a flexible foam body having a top surface and a bottom working surface;
- an antistatic layer, wherein the antistatic layer is disposed on top of the foam body, wherein a plurality of filaments of the antistatic layer are embedded in the flexible foam body, and wherein an end portion of the plurality of filaments of the antistatic layer extend to the bottom working surface of the foam body so as to be exposed exteriorly.
A method of manufacturing an antistatic foam insole comprising:
- disposing an antistatic layer comprising a nonwoven textile with an antistatic additive on top of a flexible foam body;
- penetrating a plurality of filaments of the antistatic layer into the flexible foam body a given thickness to embed the filaments into the flexible foam body, wherein a portion of the plurality of filaments extend to a bottom working surface of the flexible foam body so as to be exteriorly exposed.
Dependencies are inferred from the claim text.