Dai Nippon Printing Co., Ltd.

Katsuhiko Omata

Hisashi Aizawa

Yuji Sugiyama

Mikiko Suzuki

A flat tablet case (A) is assembled by joining together a bottom half case (,) having the shape of a rectangular tray and a top half case (,) having the shape of a rectangular tray. A plurality of studs (,to,) are formed on the inner surface of the top half case (,), and a plurality of sockets (,to,) are formed on the inner surface the bottom half case (,). A hinged cap (,) is formed integrally with the bottom half case (,) in a section of the side wall (,) excluding corners. The hinged cap (,) is provided on its opposite side surfaces with projections (,) which are engaged with and disengaged from cap holding structures (,) formed on the bottom half case (,).

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Shinjuku-ku, Japan

Katsuhiko Omata