The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2020
Filed:
Nov. 20, 2015
Corning Incorporated, Corning, NY (US);
Dominick John Forenz, Hammondsport, NY (US);
Mark Lee Humphrey, Burdett, NY (US);
Kenneth Richard Miller, Addison, NY (US);
John Charles Rector, Beaver Dams, NY (US);
Gregg Lee Shugars, Savona, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
An apparatus and method to machine cavities in die blanks having little to no taper. The apparatus includes an electrode tool () including intersecting walls coated with electrically insulating coating (), an erosion face () comprising a cross section of the walls exposed through the electrically insulating coating, and a channel formed by the walls to supply electrolyte to the erosion face, the channels defined by interior surfaces of the walls and having an opening formed by edges of the erosion face. The method includes pulsed electrochemical machining a work piece with the electrode tool.