Image fixing roller with perforate outer layer

摘要

An image fixing elastic roller includes a metal core (1), a sponge layer (2) provided around the metal core, and a fluoroplastic layer (3) provided around the sponge layer (2), in which the fluoroplastic layer (3) is formed with a plurality of holes (A, B) in a predetermined distribution for suppressing paper wrinkles. The fluoroplastic layer (3) is preferably formed with a higher distribution density of holes (A, B) at a central portion thereof than at end portions thereof. $$