MOLD FOR MOLDING HALF CASE OF DIGITAL VIDEO DISK

摘要

PURPOSE: To enhance the abrasion resistance and flexibility of a pair of the elastic mechanisms of the upper diskette half of a digital video disk. CONSTITUTION: A fixed mild 41 forming the outer surface of an upper diskette half, a movable mold main body 42 forming an inner surface and the movable core member 46 sliding in contact with the movable mold main body 42 and closing and opening the recessed part 42A forming a pair of fine piece-shaped spring parts are provided. By this constitution, the fine piece-shaped spring parts of the upper diskette half can be formed from a resin excellent in abrasion resistance and tenacity.