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. 02, 2016
Filed:
Jun. 28, 2012
Simon E Bray, Derby, GB;
Simon E Bray, Derby, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
A method of linear friction welding, the method comprising: a friction phase comprising oscillating a first workpiece () relative to a second workpiece () with a surface of the first workpiece () being forced against a surface of the second workpiece (), such that a plasticised layer is formed at the interface between the first and second workpieces (); wherein the friction phase is divided into a plurality of sub-phases, each sub-phase being configured to form a plasticized layer at the interface between the first and second workpieces (), each plasticized layer comprising a stagnation zone (); wherein the stagnation zone () of one sub-phase is offset from the stagnation zone () of another sub-phase.