| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a housing case of magnetic tape cassettes which is satisfactorily molded and free from slippage and falling when being heaped up in piles. SOLUTION: A housing case 10 of magnetic tape cassettes is made up by combining a first case 11 which comprises a first flat plate and first side walls 13 and a second case 21 which comprises a second flat plate 22 and second side walls 24, and made available for housing a magnetic tape cassette therein. Holding protuberances are provided at peripheral parts at the exterior of the first flat plate while holding dents 26 to which protuberances in shapes the same as the protuberances can be fitted are provided at peripheral parts at the exterior of the second flat plate 22.</p> |
