| 摘要 |
<p>PURPOSE:To obtain a cassette tape case which prevents hub rotation and which is easy to take in and out cassette tape, small in size, light in weight, easy to print and suitable for preservation of the environment CONSTITUTION:A flat paper case 1 nearly similar to a cassette tape 2 is formed, a locking piece 3 is separately formed having the locking projections 7, 7 for restraining the hub holes 6 of the cassette tape 2 from rotation, the locking piece 3 is firmly attached to the paper case 1 and the locking projections 7, 7 are projected into the paper case 1.</p> |
