cross batとは 意味・読み方・使い方

For the baseball bat 11 in which a reinforcing core 21 having a rectangular cross section and penetrating both ends is disposed at the center of a cross section and bamboo pieces 33 are laminated around the reinforcing core 21, the reinforcing core 21 is structured such that two kinds of wood that are a hard material 23 for the purpose of securing strength and a damping material 24 for the purpose of mitigating a shock are combined.例文帳に追加

横断面の中央に矩形断面で両端を貫通する補強芯２１を配置して、この補強芯２１の周囲に竹片３３を積層した野球用バット１１について、補強芯２１は、強度の確保を目的とした硬質材２３と、衝撃の緩和を目的とした減衰材２４の二種類の木材を組み合わせた構造とした。 - 特許庁