Method of making a wiper for a sealing labyrinth, and a...

Details Method of making a wiper for a sealing labyrinth, and a... Method of making a wiper for a sealing labyrinth, and a...

2006-11-15

2010-11-23

Verdier, Christopher (Department: 3745)

Metal working

Method of mechanical manufacture

Assembling or joining

C415S173500, C415S230000

Reexamination Certificate

active

07836572

ABSTRACT:
In the method, a support is provided presenting an annular base for a wiper, and the projecting portion of the wiper is built up by depositing successive layers on the base by performing the following steps:activating both a laser source connected to an optical head focused on a point of the surface of the top of the base and a source of powder that is connected to a spray nozzle, thereby forming a localized melt at said point, with the powder being injected into the melt, thereby forming a localized region of extra thickness; andaiming the optical head and the nozzle on another point adjacent to said region of extra thickness, and returning to the preceding step, until a layer has been formed over substantially the entire base.

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