Patent ID: 7290734

Claim:
A tape reel comprising: a hub in the shape of a bottomed-cylinder with a disc-like lower flange integrally formed at a lower end thereof and an opening formed at an upper end thereof; and an upper flange that is disc-like, has a center hole formed therein, and has a ring-shaped protrusion formed so as to protrude at a rim of the center hole, the protrusion being fitted into and fixed at the opening of the hub, wherein the hub includes a plurality of reinforcing ribs that are respectively formed in an up-down direction on an inner circumferential surface of the hub, the plurality of reinforcing ribs respectively protruding toward a center axis of the hub from the inner circumferential surface of the hub; and at least one reinforcing wall member formed so as to connect front ends of the respective reinforcing ribs and to face the inner circumferential surface.