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:
Apr. 18, 2023
Filed:
Jun. 12, 2020
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Andrew R Walpole, Derby, GB;
John P E Forsdike, Worcester, GB;
Gavin J Baxter, Sheffield, GB;
Simon E Bray, Derby, GB;
Alistair J E Smith, Nottingham, GB;
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01); B23K 20/24 (2006.01); B23K 20/00 (2006.01); F01D 5/06 (2006.01); C21D 7/06 (2006.01); F02C 3/107 (2006.01); B23K 101/00 (2006.01); B23K 103/10 (2006.01); B23K 103/14 (2006.01);
U.S. Cl.
CPC ...
B23K 20/24 (2013.01); B23K 20/002 (2013.01); B23K 20/12 (2013.01); B23K 20/121 (2013.01); B23K 20/126 (2013.01); B23K 20/129 (2013.01); C21D 7/06 (2013.01); F01D 5/066 (2013.01); F02C 3/107 (2013.01); B23K 2101/001 (2018.08); B23K 2103/10 (2018.08); B23K 2103/14 (2018.08); C21D 2221/02 (2013.01);
Abstract
A method of joining a first component to a second component at respective connection surfaces, comprising, in order, applying a local surface treatment to the connection surface of at least one of the first and second components in order to locally alter the microstructure to a depth of between 60 μm and 10 mm below the connection surface; and joining the first component to the second component using a welding process.