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:
Jun. 21, 2011
Filed:
Mar. 22, 2007
Applicants:
Ching-pang Lee, Cincinnati, OH (US);
Bin Wei, Mechanicville, NY (US);
Chen-yu Jack Chou, Cincinnati, OH (US);
Inventors:
Ching-Pang Lee, Cincinnati, OH (US);
Bin Wei, Mechanicville, NY (US);
Chen-Yu Jack Chou, Cincinnati, OH (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23H 3/04 (2006.01); B23H 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for forming a hole in an object is provided. The method includes forming a starter hole in the object, providing an electrochemical machining electrode that includes insulation that extends only partially around the electrode, and inserting the electrode into the starter hole to form a hole in the object that has an inlet defined by a first cross-sectional area and an outlet defined by a second cross-sectional area.