Device for placing a cylindrical body, especially a sleeve, in a tube of a steam generator
AssigneeBrown Boveri Reaktor GmbH
InventorHans Haller
Life of this patent
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Abstract
A steam generator having a tube sheet, tubes ending in the tube sheet, a chamber adjoining the tube sheet having an access opening formed therein and a device disposed in the chamber for inserting a sleeve into one of the tubes in a plurality of partial insertion strokes, the inserting device includes a movable clamping device holding and moving the sleeve in axial direction of the tube in one of the partial insertion strokes, and a stationary clamping device associated with the movable clamping device holding the sleeve during a backstroke of the movable clamping device.
Claims12
In a steam generator having a tube sheet, tubes ending in the tube sheet and a chamber adjoining the tube sheet having an access opening formed therein, the improvement comprising a device disposed in the chamber for inserting a sleeve into one of the tubes in a plurality of partial insertion strokes, said inserting device including a movable clamping device holding and moving the sleeve in axial direction of the tube in one of said partial insertion strokes, and a stationary clamping device associated with said movable clamping device holding the sleeve during a backstroke of said movable clamping device.
Dependencies are inferred from the claim text.