To develop and provide a method of bonding a top cover of a ball which does not use a solvent, i.e., bonds the top cover by solventless means, is environmentally friendly, is odorless, eliminates the worry about a fire by the solvent, can save the time for drying of the solvent, can save places as well and does not require skill.

The ball is provided with an adhesive layer 2 on a carcass 1 and is placed with a top cover 3 on this adhesive layer 2 or the rear surface of the top cover 3 is provided with the adhesive layer 2 and the top cover 3 is placed on the carcass 1 and is bonded by using the solventless means.