Middle Sole With Cushioning Effect

Abstract

A middle sole with cushioning effect is provided with a cushioning portion which is integrally formed on the middle sole, and the cushioning portion includes an airtight air chamber and is located corresponding to the heel, the arch or the front part of the wearer's feet. The middle sole is capable of reducing the time required for assembling a shoe and improving bonding strength between the middle sole and the cushioning portion thereof

What is claimed is: 
     
         1 . A middle sole with cushioning effect comprising at least one cushioning portion integrally formed on the middle sole, and the cushioning portion including an airtight air chamber. 
     
     
         2 . The middle sole with cushioning effect as claimed in  claim 1 , wherein the cushioning portion is located corresponding to a heel of a wearer's foot. 
     
     
         3 . The middle sole with cushioning effect as claimed in  claim 1 , wherein the cushioning portion is located corresponding to an arch of a wearer's foot. 
     
     
         4 . The middle sole with cushioning effect as claimed in  claim 1 , wherein the cushioning portion is located corresponding to a front part of a wearer's foot. 
     
     
         5 . The middle sole with cushioning effect as claimed in  claim 1 , wherein the middle sole is provided with a rear half portion located corresponding to a heel of a wearer's foot, and a front half portion which is softer than the rear half portion and located corresponding to a front part of a wear's foot.