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:
Jan. 29, 2019
Filed:
Jul. 29, 2008
Applicants:
Nihad Ben Salah, Greenfield Park, CA;
Alain Bouthillier, Sainte-Julie, CA;
Michel Frederick, Candiac, CA;
Jean Fournier, Longueuil, CA;
Inventors:
Nihad Ben Salah, Greenfield Park, CA;
Alain Bouthillier, Sainte-Julie, CA;
Michel Frederick, Candiac, CA;
Jean Fournier, Longueuil, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/46 (2006.01); B23K 9/00 (2006.01); B23H 1/00 (2006.01); B23H 1/08 (2006.01); B23H 7/00 (2006.01); B23H 7/34 (2006.01); B23H 7/38 (2006.01); B23H 9/10 (2006.01); C23F 1/00 (2006.01);
U.S. Cl.
CPC ...
B23H 1/00 (2013.01); B23H 1/08 (2013.01); B23H 7/00 (2013.01); B23H 7/34 (2013.01); B23H 7/38 (2013.01); B23H 9/10 (2013.01); C23F 1/00 (2013.01); Y10T 29/49336 (2015.01);
Abstract
A method for machining a part includes wire electro-discharge machining the part, and then selectively reducing a zinc content of the residual recast layer left on a surface of the part, while otherwise leaving the recast layer substantially intact.