Ultra-thin liquid-filled insole interface

a liquid-filled insole and ultra-thin technology, applied in the direction of uppers, bootlegs, stiffners, etc., can solve the problems of reducing the friction of the foot, and being relatively thick, and avoiding the effect of friction on the foo

Inactive Publication Date: 2006-02-09
INMOTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, one problem associated with many such insoles is that they are usually padded, and thus, relatively thick.
The added thickness often causes a wearer's foot to rub against the top and side inner surfaces of the shoe, boot or the like, which results in discomfort.
Also, current padded insoles do not generally mitigate the negative effects of foot friction.

Method used

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  • Ultra-thin liquid-filled insole interface
  • Ultra-thin liquid-filled insole interface
  • Ultra-thin liquid-filled insole interface

Examples

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Embodiment Construction

[0012]FIG. 1 illustrates ultra-thin liquid-filled insole interface or assembly 100. Insole interface or assembly 100 comprises at least one ultra-thin liquid-filled cell 102, 104 described in detail in pending U.S. Patent Application entitled ULTRA-THIN LIQUID-FILLED CELL FOR COMFORT ENHANCEMENT, Ser. No. 10 / 142,353 filed on May 8, 2002, which is incorporated by reference in its entirety.

[0013] In the embodiment illustrated, cell 102 is provided proximate first portion 101 of insole 100 to provide comfort to the ball of a foot, while cell 104 is provided proximate second portion 111 of insole 100 to provide comfort to the heel of a foot. One or both of cells 102, 104 can be provided in insole 100. As appreciated by those skilled in the art, the number of cells, as well as their size and shape can be adjusted as needed. Insole assembly 100 further comprises a top substrate 106, which is shaped and sized to fit into various articles of footwear as an insole, or portion thereof. Top s...

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Abstract

An ultra-thin liquid-filled insole interface for use in footwear is provided. The ultra-thin liquid-filled insole interface can be removable or fixed to an article of footwear, especially to protect against friction or shear forces.

Description

[0001] The present application is based on and claims the benefit of U.S. provisional patent application Ser. No. 60 / 598,363, filed Aug. 3, 2004, the content of which is hereby incorporated by reference in its entirety. The present application is also a Continuation-in-Part of and claims priority to U.S. patent application Ser. No. 10 / 142,353, filed May 8, 2002, which is hereby incorporated by reference.BACKGROUND OF THE INVENTION [0002] Insoles currently exist to provide cushioning in articles of footwear such as shoes and boots. One type of insole is a removable insole that can often be purchased separately from the footwear article and used to replace an existing insole and / or to add additional cushioning. However, one problem associated with many such insoles is that they are usually padded, and thus, relatively thick. The added thickness often causes a wearer's foot to rub against the top and side inner surfaces of the shoe, boot or the like, which results in discomfort. Also, ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A43B13/20A43B13/38
CPCA43B7/144A43B13/189A43B7/1445
Inventor ARBEITER, MICHAEL J.
Owner INMOTION
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