Film processing equipment and method using the same

A method for processing a film, comprising:

• providing a film processing equipment comprising a feeding roller, a swelling bath, a dyeing bath, a stretching bath, a crosslinking bath, a washing bath, a film attaching assembly, at least two ovens and a winding device;
• providing the film on the feeding roller and feeding the film from the feeding roller;
• receiving the film transferred from the feeding roller and immersing the film in the swelling bath;
• receiving the film transferred from the swelling bath and dyeing the film in the dyeing bath;
• receiving the film transferred from the dyeing bath and stretching the film in the stretching bath;
• receiving the film transferred from the stretching bath and performing a crosslinking process on the film in the crosslinking bath;
• receiving the film transferred from the crosslinking bath and washing the film in the washing bath;
• receiving the film transferred from the washing bath and reducing a water content of the film by heat with one of the ovens;
• receiving the film transferred from the one of the ovens and performing a film attaching process on the film with the film attaching assembly;
• receiving the film transferred from the film attaching assembly and curing the film by heat with another one of the ovens different from the one used after the washing bath;
• and
• winding the film with the winding device;
• wherein the stretching bath comprises a plurality of sets of rollers disposed at different positions on a film transferred path in the stretching bath, the sets of rollers divide the film transferring path into a first interval length and a second interval length, and
• wherein the first interval length is in an upstream with respect to the film transferring path, the second interval length is in the downstream with respect to the film transferring path, and the first interval length is smaller than the second interval length.