| 摘要 |
<p>PURPOSE: To provide a Japanese drum for training which is improved in appearance and is constituted to produce correct tones by eliminating the ruggedness of a surface rubber sheet. CONSTITUTION: A skin part T to be struck with a drumstick of the Japanese drum is formed of an open cellular sponge rubber sheet 2 or cheese cloth layer for fluidizing air, a closed cellular sponge rubber sheet 3 and a synthetic resin sponge layer 4 successively on the inner side of the surface rubber sheet 1 or is formed with the synthetic resin sponge layer 5 of a small diameter down to the base B of the Japanese drum and an annular space part 6 for fluidizing the air on the rear surface of the synthetic resin sponge layer 4 to communicate the open cellular sponge rubber sheet 2 or the cheese cloth layer and the annular space part 6 by a through-hole 7.</p> |
