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:
May. 31, 2016
Filed:
Jan. 16, 2014
Rolls-royce Plc, London, GB;
John Harold Boswell, Derby, GB;
Daniel Clark, Belper, GB;
Charles Richard Carpenter, Leicester, GB;
Andrew Richard Kennedy, Nottingham, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
A method of forming a bonded assembly (). The method comprises: providing at least first and second parts () of an assembly () to be bonded; assembling the first and second parts () in a required relative position to define a bond interface region therebetween; sealing part way along an edge () of the bond interface region using laser beam welding to define a cavity between the first and second parts (); in a vacuum environment, sealing the remainder of the edge () of the bond interface region using electron beam welding to form a fluid tight seal around the cavity; and applying heat and pressure to an external surface of the cavity to diffusion bond the first and second parts () together.