Composite fiber bundle and fiber product

Abstract

A conjugate fiber bundle formed of conjugate fibers, each of which includes at least two types of polymers having different melting points, in which a coefficient of variation CV of a value of (distance between polymer gravity centers/fiber diameter) between the conjugate fibers is 5% to 30%.

1 .- 5 . (canceled) 
     
     
         6 . A conjugate fiber bundle formed of conjugate fibers, each of which comprises at least two types of polymers having different melting points, wherein a coefficient of variation CV of a value of (distance between polymer gravity centers/fiber diameter) between the conjugate fibers is 5% to 30%. 
     
     
         7 . The conjugate fiber bundle according to  claim 6 , wherein a difference between a maximum value of flatness and a minimum value of flatness between the conjugate fibers is less than 0.5. 
     
     
         8 . The conjugate fiber bundle according to  claim 6 , wherein an average value of flatness between the conjugate fibers is 1.2 to 3.0. 
     
     
         9 . The conjugate fiber bundle according to  claim 6 , wherein a surface layer of the conjugate fibers is covered with one type of polymer. 
     
     
         10 . A fiber product partially comprising the conjugate fiber bundle according to  claim 6 . 
     
     
         11 . The conjugate fiber bundle according to  claim 7 , wherein an average value of flatness between the conjugate fibers is 1.2 to 3.0. 
     
     
         12 . The conjugate fiber bundle according to  claim 7 , wherein a surface layer of the conjugate fibers is covered with one type of polymer. 
     
     
         13 . The conjugate fiber bundle according to  claim 8 , wherein a surface layer of the conjugate fibers is covered with one type of polymer.