US2020229539A1PendingUtilityA1

Sole

Assignee: KWAN CHIEH CO LTDPriority: Jan 21, 2019Filed: Jun 5, 2019Published: Jul 23, 2020
Est. expiryJan 21, 2039(~12.5 yrs left)· nominal 20-yr term from priority
Inventors:Chi-Kung Wu
A43B 17/006A43B 17/026A43B 13/125A43B 13/187A43B 13/189
23
PatentIndex Score
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Claims

Abstract

A sole includes a base layer, an intermediate layer, and a top layer. The base layer has a predetermined thickness. The intermediate layer is made of a gel of non-Newtonian fluid. The intermediate layer is sandwiched between the base layer and the top layer to engage the base layer and the top layer together.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A sole, including:
 a base layer, having a predetermined thickness;   an intermediate layer, made of a gel of non-Newtonian fluid;   a top layer;   wherein the intermediate layer is sandwiched between the base layer and the top layer to engage the base layer and the top layer together.   
     
     
         2 . The sole of  claim 1 , wherein the gel of non-Newtonian fluid is polyurethane with multifunctional groups. 
     
     
         3 . The sole of  claim 1 , wherein the base layer is made of foaming material. 
     
     
         4 . The sole of  claim 1 , wherein the top layer is mesh fabric having a plurality through holes, the gel of non-Newtonian fluid of the intermediate layer is partially embedded in the through holes. 
     
     
         5 . The sole of  claim 1 , wherein the gel of non-Newtonian fluid is coated on a release paper and heated by an oven, the release paper with the gel of non-Newtonian fluid is engaged with the top layer with a face thereof having the gel of non-Newtonian fluid, an other face of the intermediate layer is engaged with the base layer after the release paper is removed. 
     
     
         6 . The sole of  claim 1 , wherein a face of the intermediate layer opposite to the top layer is engaged with the base layer by adhesive. 
     
     
         7 . The sole of  claim 1 , wherein the intermediate layer and the top layer are engaged by thermocompression. 
     
     
         8 . The sole of  claim 1 , wherein the intermediate layer and the top layer are engaged by adhesive. 
     
     
         9 . The sole of  claim 1 , wherein the intermediated layer has a thickness of 0.2-0.25 mm.

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