Self-sharpening cutting tool perfected for meat and similar mincing machines, of the rubbing type on the surface of a perforated plate on which the product to be chopped is pushed by means of a spiral that rotates the tool, characterized by the fact that as This cutting element is endowed with narrow and elongated ridges and ribs, being provided with flat profile or sharp edges, the flat profile and all the ribs or enhancements are rigorously arranged on a plane perpendicular to the axis of rotation of the tool, so which are supported simultaneously on the perforated plate with narrow and elongated surfaces and, therefore, with high pressure, so that the friction of such edges on said perforated plate causes self-sharpening of the sharp edges of the profiles. (Machine-translation by Google Translate, not legally binding)
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