Patent ID: 7487720

Claim:
A method for baling a cellulose acetate tow comprising the steps of: laying the cellulose acetate tow into a can, pressing the laid tow with a press having a first platen and a second platen, each platen facing each other, each of the platens having a pyramid shape where each side of the pyramid being a contoured face, each of the contoured faces having three linear sloped portions, a first linear sloped portion located adjacent a peripheral edge of the platen having a first slope, a second linear sloped portion located adjacent the first linear sloped portion having a second slope, and a third linear sloped portion located adjacent the second linear sloped portion having a third slope, wherein the first slope being in the range of 5° to 40°, the second slope being in the range of 5° to 20°, and the third slope being in the range of 0° to 15°, and the first slope is greater than the second slope, and the second slope is greater than the third slope, packaging and securing the pressed tow, whereby the pressed tow having substantially flat surfaces.