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:
Aug. 10, 2015
Applicant:
Air Products and Chemicals, Inc., Allentown, PA (US);
Inventors:
Zbigniew Zurecki, Macungie, PA (US);
Ranajit Ghosh, Macungie, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/14 (2014.01); B33Y 30/00 (2015.01); B22F 3/105 (2006.01); B23K 26/12 (2014.01); B33Y 10/00 (2015.01); B23K 26/342 (2014.01); B23K 103/04 (2006.01); B23K 103/08 (2006.01); B23K 103/10 (2006.01); B23K 103/12 (2006.01); B23K 103/14 (2006.01); B23K 103/18 (2006.01);
U.S. Cl.
CPC ...
B23K 26/1437 (2015.10); B22F 3/1055 (2013.01); B23K 26/123 (2013.01); B23K 26/127 (2013.01); B23K 26/342 (2015.10); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B22F 2003/1056 (2013.01); B23K 2103/04 (2018.08); B23K 2103/05 (2018.08); B23K 2103/08 (2018.08); B23K 2103/10 (2018.08); B23K 2103/12 (2018.08); B23K 2103/14 (2018.08); B23K 2103/15 (2018.08); B23K 2103/26 (2018.08); Y02P 10/295 (2015.11);
Abstract
Methods and systems for controlling gas atmospheres in three-dimensional laser printing and weld overlay consolidation operations using metallic powders are provided. In one or more embodiments, such systems and methods comprise a printing chamber or laser weld overlay system, a gas supply system, a feed powder system, and one or more sensors employed to control the printing or welding operation. The methods and systems of the invention employ one or more inert gases having a purity greater than or equal to 99.995%