A portion of the disclosure of this patent document, including appendices, may contain material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.

FIG. 1 is a perspective view of a roll shell showing our new design;

FIG. 2 is a front side elevational view, the top, bottom, and rear views being the same as the side shown; and,

FIG. 3 is an end view, the opposite end being the same as the end shown in FIG. 3.