US Patent 12010949 Stalk roll

A flute for a stalk roll has a sharp edge defined by the relationship of the leading surface and a leading wall. The flute is positioned on a main cylinder of said stalk roll having a leading surface having its base nearer the main cylinder and its top farther from the main cylinder, the leading wall, and a trailing wall. The leading wall extends perpendicular to and outward from said main cylinder. The base of the leading surface intersects the leading wall and travels upwardly to intersect with the trailing surface to form an edge. The angle between the leading wall and leading surface is thirty degrees.