Shoe midsole and article of footwear and manufacturing method therefor

Abstract

Article of footwear comprising a midsole, the midsole comprises an opening and closing component such as zippers or Velcro. During the manufacturing process of lasting construction, a shoe last can put into a shoe upper integrated with the midsole through the released opening and closing component of midsole to finish the put-on last step. After the opening and closing component of midsole is sealed, a procedure similar to broad lasting is finished, and a sole laying step and a formation step can be continued.

What is claimed is: 
     
         1 . A midsole of a shoe, comprising:
 at least two lead frames;   a midsole body having an opening;   an opening and closing component disposed along the opening edges to open and close the opening.   
     
     
         2 . A midsole of a shoe as claimed in  claim 1 , wherein the opening and closing component is two fabrics having corresponding structures, which are respectively fixed on both sides of the opening. 
     
     
         3 . A midsole of a shoe as claimed in  claim 1 , wherein when the opening and closing component is fully opened, the midsole of the shoe is divided into two completely separated half midsole. 
     
     
         4 . A midsole of a shoe as claimed in  claim 2 , wherein when the opening and closing component is fully opened, the midsole of the shoe is divided into two completely separated half midsole. 
     
     
         5 . A midsole of a shoe as claimed in  claim 1 , wherein the opening and closing component is a hook-and-loop fastener. 
     
     
         6 . A midsole of a shoe as claimed in  claim 1 , wherein the opening and closing component is a zipper. 
     
     
         7 . A midsole of a shoe as claimed in  claim 6 , wherein the zipper comprises a slider, a bottom stop, and a chain tooth. 
     
     
         8 . A midsole of a shoe as claimed in  claim 7 , wherein the slider is flat, and the thickness of the zipper is approximately equivalent to the thickness of the midsole body. 
     
     
         9 . An article of footwear comprising:
 an upper; and   a midsole comprising;   a midsole body having an opening; and   an opening and closing component disposed along the opening edges to open and close the opening;   wherein the upper is combined with the periphery of the midsole to provide a foot space into which the foot extends.   
     
     
         10 . An article of footwear as claimed in  claim 9 , wherein the upper and the midsole can be integrated into one by sewing. 
     
     
         11 . An article of footwear as claimed in  claim 9 , wherein the opening and closing component is a hook-and-loop fastener. 
     
     
         12 . An article of footwear as claimed in  claim 9 , wherein the opening and closing component is a zipper. 
     
     
         13 . An article of footwear as claimed in  claim 12 , wherein the zipper comprises a slider, a bottom stop, and a chain tooth. 
     
     
         14 . An article of footwear as claimed in  claim 13 , wherein the zipper further comprises a top stop. 
     
     
         15 . An article of footwear as claimed in  claim 9 , further comprising:
 a shoe sole, in close contact with the midsole outside the foot space;   an insole, stacked over the midsole in the foot space.   
     
     
         16 . A method for manufacturing footwear, comprising:
 providing a midsole having an opening and an opening and closing component;   combining the midsole with an upper;   releasing the opening and closing component, passing a last through the opening, into the foot space formed by the upper and the midsole;   adjusting the position of the last to abut the upper and the midsole;   closing the opening and closing component to close the opening.   
     
     
         17 . A method for manufacturing footwear as claimed in  claim 16 , wherein the opening and closing component is a hook-and-loop fastener. 
     
     
         18 . A method for manufacturing footwear as claimed in  claim 16 , wherein the opening and closing component is a zipper. 
     
     
         19 . A method for manufacturing footwear as claimed in  claim 17 , wherein the inner surface of the upper close to the toe and the heel has the structure of hook-and-loop fastener corresponding to the relative hook-and-loop part of the midsole. 
     
     
         20 . A method for manufacturing footwear as claimed in  claim 18 , wherein, after the zipper is tightened and closed, the slider of the zipper is disengaged from the midsole.