US2006265901A1PendingUtilityA1

Water-resistant and floatable footwear and method of manufacture therefor

50
Individually held — no corporate assignee on recordPriority: Oct 17, 2000Filed: Jan 20, 2006Published: Nov 30, 2006
Est. expiryOct 17, 2020(expired)· nominal 20-yr term from priority
Inventors:Mary K. BoncutterWilson Chao Nan Chen
A43B 5/08A43B 3/107
50
PatentIndex Score
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Claims

Abstract

A water-resistant and floatable footwear including an outsole and insole, and an upper member affixed to the sole, wherein the footwear is floatable in water. In particular, the insole of the footwear is constructed of the material “marine buoy;” that is, the insole has an inner structure and an outer coating, the inner structure being constructed of a thermoplastic resin and the outer coating being constructed of a vinyl polymer. The footwear is advantageously water-proof and provides buoyancy in water.

Claims

exact text as granted — not AI-modified
1 - 9 . (canceled)  
   
   
       10 . A method for producing a footwear with an insole, an outsole and upper members, comprising the steps of: 
 providing the outsole;    forming the insole by configuring an inner structure from a thermoplastic resin;    immersing the inner structure in a vinyl polymer;    arranging the upper members relative to the insole and the outsole;    securely affixing the insole, the outsole and the upper members to each other.    
   
   
       11 . A method according to  claim 10 , wherein the step of forming the insole further comprises: 
 providing apertures in the inner structure.    
   
   
       12 . A method according to  claim 10 , further comprising: 
 forming a strap of the upper members by configuring a strap inner structure from a thermoplastic resin;    immersing the strap inner structure in a vinyl polymer.    
   
   
       13 . A method according to  claim 10 , wherein the step of providing the outsole further comprises: 
 forming an outer peripheral border.    
   
   
       14 . A method according to  claim 10 , further comprising: 
 adding a color pigment in said vinyl polymer.    
   
   
       15 . A method according to  claim 14 , further comprising: 
 changing the color pigment in said vinyl polymer.    
   
   
       16 . A method according to  claim 14 , wherein said thermoplastic resin composition comprises nature polybutadine rubber, polyvinyl chloride past resin, filler talc, foaming agent, plasticizer and process oil.  
   
   
       17 . A method according to  claim 14 , wherein said vinyl polymer includes a color pigment selected in accordance with a color of the upper members.  
   
   
       18 . A method for producing a footwear with an insole, an outsole and upper members, comprising of: 
 providing the outsole;    forming the insole by configuring an inner compressible structure to have a top surface, a bottom surface and a side surface extending around the perimeter of the inner structure between the top and bottom surfaces;    immersing the inner structure in a vinyl polymer to form an outer coating that is a water barrier;    arranging the upper members relative to the insole and the outsole;    securely affixing the insole, the outsole and the upper members to each other.    
   
   
       19 . The method of  claim 18 , wherein the inner compressible structure is a different material than the outer coating.  
   
   
       20 . The method of  claim 19 , wherein the inner compressible structure is a thermoplastic resin.  
   
   
       21 . The method of  claim 19 , wherein the inner compressible structure is a thermoplastic resin that compresses to cushion a foot of a wearer.  
   
   
       22 . The method of  claim 19 , wherein the inner compressible structure is a thermoplastic resin that compresses to generally conform to a shape of a foot of a wearer.  
   
   
       23 . The method of  claim 18 , wherein the inner compressible structure has a low density relative to the outsole.  
   
   
       24 . The method of  claim 18 , wherein the inner compressible structure is a single layer of compressible material and the outer coating contacts the top and side surfaces of the compressible structure.  
   
   
       25 . The method of  claim 18 , wherein the footwear is buoyant.  
   
   
       26 . The method of  claim 18 , wherein the outsole is wear resistant relative to the insole.  
   
   
       27 . The method of  claim 18 , wherein the inner compressible structure is compressible compared to the outsole.  
   
   
       28 . The method of  claim 20 , wherein the thermoplastic resin contains plasticizer.  
   
   
       29 . The method of  claim 18  wherein immersing forms a seamless continuous layer that substantially covers the entire top, bottom and side surfaces of the compressible structure.  
   
   
       30 . The method of  claim 10 , further comprising providing aperatures in the inner structure before immersing the inner structure in the vinyl polymer.  
   
   
       31 . The method of  claim 18 , further comprising providing aperatures in the inner structure before immersing the inner structure in the vinyl polymer.  
   
   
       32 . The method of  claim 10 , wherein the thermoplastic resin comprises rubber and PVC.  
   
   
       33 . The method of  claim 18 , wherein the inner compressible structure comprises rubber and PVC.

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