| 摘要 |
t is disclosed herein a case designed for storing therein photographs, post cards, released printed matter or the like. Said case comprises an outside wall (paper cover) serving as back, and an inside, adequately-shaped plastic material having a base frame, a spine segment, and a covering frame which are all properly united to form two trays closing by snap action when the case is in closed condition and the spine is curved to guarantee the safe closure of the case, with no damage caused by use. Closure is safely obtained by a ball-like protuberance vertically located at each lateral side to ensure perfect contact and insulation, upon closure of the case. |
