| 摘要 |
PURPOSE: An aluminum bat with carbon fiber core and handle is provided to effectively supplement the fragileness of carbon fiber. CONSTITUTION: An aluminum bat with carbon fiber core and handle comprises a barrel unit(1), a handle unit(2), and a protection pipe(4). In the barrel unit, a carbon core made of carbon fiber is formed on the inner surface thereof. The handle unit is a rod which is made of a carbon fiber pipe having a constant thickness. An insertion unit formed on one side end of the handle unit is inserted into the coupling hole(11) of the barrel unit and is fixed. The protection pipe is made of a metal material and prevents the handle unit from being broken. |
