BALL AND METHOD FOR PRODUCING SAME

摘要

[Problem] To provide a ball in which an air valve portion and specified unit portion are brought together at one position with respect to an inflatable ball body portion. [Solution] This ball (1) has: an inflatable ball body portion (2); an opening (3) provided in the ball body portion (2); a support portion (5) that corresponds to the opening (3) and is fixed to the ball body portion (2) so as to protrude from the ball body portion (2) toward the center of a cavity portion (4); a specified unit portion that is configured as either an electrical unit portion (6) or a non-electrical unit portion that does not use electricity, said portions being provided in the inner side of the support portion (5); and an air valve portion (7) that is provided in the ball body portion (2) opening (3) side of the support portion (5). The support portion (5) is provided with an air hole portion (8) being provided so as to be connected to the air valve portion (7) and the cavity portion (4) of the ball body portion (2), and is configured such that air can be inserted into the cavity portion (4) and removed from the cavity portion (4) from/to the outside of the ball (1) using an air pump tool. A through-hole portion (20) can be used instead of the air hole portion (8).