Rotary knife, assembly and machine for processing a product

摘要: A rotary self-sharpening knife comprises two identical half-knives each having a cutting edge on one face, the half knives being arranged with at least part of peripheries their other faces in contact, and means for urging together. In use are driven different angular speeds so that there is slight relative movement which produces rubbing action between to maintain edges sharp. The invention also relates an assembly incorporating inventive knife, machine processing product.