Squeeze loops and method for making the same

Abstract

A method for making a squeeze loop includes step of preparing pre-preg yarns and wrapping the yarns to a mandrel; step of solidifying the yarns and removing the mandrel from the yarns which forms a tube; step of cutting the tube into loops, and step of wrapping the loops with an outer layer made of flexible material.

1 . A method for making a squeeze loop comprising: 
 step 1: preparing yarns soaked with resin and wrapping the yarns to a mandrel;    step 2: solidifying the yarns and removing the mandrel from the yarns which forms a tube;    step 3: cutting the tube into loops, and    step 4: wrapping the loops with an outer layer made of flexible material.    
   
   
       2 . The method as claimed in  claim 1 , wherein the mandrel includes a first part and a second part, the first part has a first tubular section and a first flange on a first end of the first tubular section, the second part having a second tubular section and a second flange on a first end of the second tubular section, the first section removably inserted in the second tubular section.  
   
   
       3 . The method as claimed in  claim 1 , wherein the outer layer is made of foam material.  
   
   
       4 . The method as claimed in  claim 1 , wherein the yarns are made of glass fiber composite material.  
   
   
       5 . The method as claimed in  claim 1 , wherein the yarns are made of carbon fiber composite material.  
   
   
       6 . The method as claimed in  claim 1 , wherein the resin is thermo-setting resin.  
   
   
       7 . The method as claimed in  claim 1 , wherein the resin is thermoplastic resin.  
   
   
       8 . A loop comprising: 
 an inner layer made of pre-preg yarns and an outer layer, the outer layer being made of soft material, the inner layer of the loop being formed integrally without pre-stress and seams.    
   
   
       9 . The loop as claimed in  claim 8 , wherein the outer layer is made of foam material.  
   
   
       10 . The loop as claimed in  claim 8 , wherein the outer layer is made of rubber.  
   
   
       11 . The loop as claimed in  claim 8 , wherein the outer layer is made of plastic.  
   
   
       12 . The method as claimed in  claim 8 , wherein the yarns are made of glass fiber composite material and soaked with resin.  
   
   
       13 . The method as claimed in  claim 8 , wherein the yarns are made of carbon fiber composite material and soaked with resin.