Patent ID: 7322814

Claim:
A film or sheet forming apparatus provided with a roll driven to rotate about an own central axis, and configured to have a resin given from a die to an outer peripheral surface of the roll, and cool the resin with the outer peripheral surface of the roll to form a film or sheet, the film or sheet forming apparatus comprising: an ambient air equalizer configured to equalize a physical condition of ambient air in a vicinity at a front side of the resin, wherein: the ambient air equalizer is configured to move between a first position and a second position, and the ambient air equalizer includes a double-layered structure that is partially concentric with a surface of the roll, wherein the doubled layer structure comprises an inner side plate and an outer side plate, wherein the inner side plate and the outer side plate are curved in a circular-arc shape, and baffle plates are disposed between the inner side plate and the outer side plate.