| 摘要 |
A sports ball comprising a casing formed in at least two pieces and having local protrusions in the outer surface of the casing. The casing material being continuous throughout the extent of the protrusions. The protrusions could be formed by internal stitches within the casing. The protrusions could be disposed to simulate the external appearance of internal side seams oaf a quartered ball. The ball being a cricket ball. |
