Patent ID: 6984093

Claim:
A method for the milling-type machining of chipless materials for the manufacture of heat-resistant sand molds, said method comprising: providing a shank-end tool comprising: a shank portion having a longitudinal axis, a first end that can be connected detachably to a drive device and a second end with a groove-shaped recess extending in the longitudinal direction; and a blade as an insert tool in the form of a flat bar in said groove and fixedly attached to the shank, said cutter blade having a flat leading face with a leading blade edge in a direction of advance during use, wherein the blade has a leading blade edge with at least a portion of the leading edge substantially parallel to said longitudinal axis and the flat bar and is provided with a non-cutting blade edge on the leading face; and wherein said leading blade edge is at a right angle to the flat leading face; and machining a chipless material with the shank-end tool to provide a finished form.