Patent ID: 8292763

Claim:
A baseball comprising: a core comprised of coconut fiber, rubber, and solvent; and a cover sewn on the core by stitches, wherein the coconut fiber having a predetermined percentage by weight is crushed, the rubber having a predetermined percentage by weight is gelled, the coconut fiber and the rubber are mixed with the solvent having a predetermined percentage by weight, and the mix is subjected to molding, heating, and cooling to produce the core; wherein the coconut fiber is comprised of cellulose, lignin, half-cellulose, and pectin with the remaining consisting of minerals in which cellulose has 46% to 64% by weight, lignin has 31% to 36% by weight, half-cellulose has 0.15% to 0.25% by weight, and pectin has 3% to 4% by weight.