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US 11,793,273 B2Granted
Fiber-foam shoe insoles, and a method of manufacturing the same
AssigneeO2 Partners, LLC
InventorsDaniel Loyley, Robert Falken, Fabio Zanotto
Life of this patent
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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.
Claims14
A antistatic shoe insole comprising:
- a flexible foam body having a top surface and a bottom working surface;
- and
- a fabric layer positioned on the top surface of the foam body, the fabric layer including a plurality of filaments forming a mechanical bond between the fabric layer and the flexible foam body and extending from the fabric layer and through the flexible foam body, and wherein a portion of the plurality of filaments of the fabric layer extend to the bottom working surface of the foam body and are exposed exteriorly through the bottom working surface.
Dependencies are inferred from the claim text.