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:
Mar. 08, 1988
Filed:
Feb. 17, 1987
Paul P Mehta, Fairfield, OH (US);
Robert R Otten, Cincinnati, OH (US);
Ernest B Cooper, Jr, Cincinnati, OH (US);
General Electric Company, Cincinnati, OH (US);
Abstract
In the repair of a metallic article portion, a metal powder and laser beam are applied concurrently, the laser beam being applied in a power density range of 10.sup.4 to 10.sup.6 watts per square centimeter at an interaction time between the laser and the article and powder of 0.005-2 seconds to generate a repair layer. Apparatus for delivering a consistent, continuous flow of powder comprises the combination of an enclosed powder reservoir including means to introduce a gas under pressure, a mechanical means to feed powder into a conduit, a conduit vibrating means, and a fluid-cooled powder delivery nozzle.