Patent ID: 9334570
Filing Date: 2016-05-10
CPC Classification: B22F,C22C,C23F

Claim Text:
1. A method for etching a cutting insert comprising: selecting an etching system comprising an etching fixture body and a cutting insert, the etching fixture body having: wherein the cutting insert has a first end and a second end and wherein the cutting insert is disposed in the hole in the etching fixture body such that the first end of the cutting insert extends out of the opening, such that the second end of the cutting insert is disposed in the hole, and such that the sealing rib contacts the cutting insert between the first end and the second end to seal against the cutting insert and such that the sealing rib defines a boundary between etched and non-etched portions of the cutting insert; and placing the etching fixture in acid such that the acid contacts the first end of the cutting insert to etch the end of the cutting insert.