| 摘要 |
PURPOSE:To easily stick the center core and magnetic disk sheet of the magnetic disk cartridge to a correct position. CONSTITUTION:The flange part 1b of the blind cylindrical center core 1 having the flange part 1b at its top end face is circumferentially provided with plural pieces of small through-holes 1d for injection of adhesives at the time of sticking the above-mentioned center core and the magnetic disk sheet 2 having an inside hole 2a to be fitted into the cylindrical part 1c of the center core. The rear surface of the flange part 1b of the center core and the front surface of the magnetic disk sheet 2 are pressed to each other and thereafter, the instant-set adhesives are injected between the flange part 1b and the magnetic disk sheet 2 via the small through-holes 1d for injection of the adhesives, by which the center core 1 and the magnetic disk sheet 2 are stuck. |
