Patent ID: 9138870
Filing Date: 2015-09-22
Classification: B24D,Y10T

Abstract:
1. A rotationally symmetrical tool for cutting material surfaces with several disks or ring disks arranged for metal-cutting, which each comprise, an incision originating from an outer circumference, have a common rotational axis and are stacked in a partly overlapping manner on top of one another in such a way that a portion of one respective disk or ring disk comes to lie on top through the incision of a next disk or ring disk arranged above, with the incisions of the disks or ring disks being angularly offset, wherein the incision reaches up to a center point of the disks or an inner circumference of the ring disks, and wherein an angular offset to the incision of a respectively next disk or ring disk is equal to α=360°/n, with n being the number of the disks or ring disks.