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. 26, 2013
Filed:
Feb. 03, 2010
Phillip Brennand, Barnoldswick, GB;
Richard M Jones, Colne, GB;
Phillip Brennand, Barnoldswick, GB;
Richard M Jones, Colne, GB;
Rolls-Royce PLC, London, GB;
Abstract
A method of manufacturing a blade () for a turbomachine by superplastic forming and diffusion bonding a first layer (), a second layer () and a membrane (), the membrane () being disposed between the first and second layers (), the method comprising: applying a stop-off material in a first predetermined pattern between the first layer () and the membrane () so as to prevent a diffusion bond from forming between the first layer and the membrane across said first predetermined pattern; and applying the stop-off material in a second predetermined pattern between the second layer () and the membrane () so as to prevent a diffusion bond from forming between the second layer and the membrane across said second predetermined pattern.