Patent ID: 7891601

Claim:
A tape reel comprising: a cylindrical hub for winding recording tape; and a pair of upper and lower flanges respectively projecting circumferentially from upper and lower portions of the hub, wherein the tape reel further comprises: a lower piece including the lower flange and a first cylinder wall formed integrally with the lower flange; and an upper piece including the upper flange and a second cylinder wall formed integrally with the upper flange, the hub is formed in a double cylinder form by a fit engagement between the first cylinder wall of the lower piece and the second cylinder wall of the upper piece, wherein the lower piece forms a cylindrical body with a bottom composed of a hub bottom wall and the first cylinder wall, in the inside the cylindrical body with the bottom, a mounting groove is formed on an outer peripheral portion of the hub bottom wall, and an end portion of the second cylinder wall of the upper piece is fitted into and is in engagement with the mounting groove.