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:
Feb. 01, 2022
Filed:
Oct. 04, 2019
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Michel Frederick, Candiac, CA;
Greg Maccaul, St-Lazarre, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 7/12 (2006.01); B23H 1/04 (2006.01); B23H 1/02 (2006.01); B23H 7/18 (2006.01); B29L 31/60 (2006.01); B28B 3/20 (2006.01);
U.S. Cl.
CPC ...
B23H 7/12 (2013.01); B23H 1/028 (2013.01); B23H 1/04 (2013.01); B23H 7/18 (2013.01); B23H 2200/30 (2013.01); B28B 2003/203 (2013.01); B29L 2031/60 (2013.01);
Abstract
An electrical discharge machining (EDM) electrodes and associated methods are provided. An EDM electrode includes a holder rotatable about a rotation axis and a plurality of electrode elements attached to the holder and circumferentially arranged around the rotation axis. Respective positions of the electrode elements are radially adjustable relative to the rotation axis.