Patent ID: 7954532

Claim:
An apparatus for forming a hem, comprising: a horizontal surface for supporting a surface of a banner; a linear edge positioned on said horizontal surface; a prefolder for applying a prefold to a banner, the prefolder offset from the linear edge at an angle of between 0.25° to 5°, the prefolder further defining an upper edge defining an angle from 2° to 10° relative to the horizontal surface and an entrance of the prefolder positioned closer to the linear edge than an exit of the prefolder; a tape station for use in application of tape to a banner; a hemmer for use in folding the banner, the hemmer offset from the linear edge at an angle of between 0.25° to 5°, the hemmer further defining an upper edge defining an angle from 2° to 10° relative to the horizontal surface and an entrance of said hemmer positioned closer to the linear edge than an exit of the hemmer; a driving roller for use in moving the banner and for use in compressing the banner and the tape to form a hem said driver roller having an axis of revolution perpendicular to said linear edge; and wherein when a banner is fed through the apparatus, the tape and the formed hem are positioned to correctly align and maintain a straight line relative to each other.