| 摘要 |
A shell forming the walls of a bat comprising a striking portion, an intermediate portion and a handle portion. The shell is filled with structural foam. The striking portion is closed by a weighted cap and the handle portion is closed by a knob. The cap and knob are secured to the shell by stud or by a connecting rod. The stud receiving device has a plurality of fins which extend outwardly therefrom. The fins fit in corresponding slots formed in either end of the bat. The stud receiving device is internally threaded as are the cap and knob. A threaded stud is then used to secure the cap and knob to their respective ends. The shell is over-wrapped with woven or braided composite-type materials, such as graphite, KEVLAR, glass and boron.
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