Support plug
AssigneeThe Babcock & Wilcox Company
InventorGordon C. Larson
Life of this patent
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Abstract
An apparatus for supporting the tubes adjacent to a leaky tube to be sealed by explosive activated plugs, and including removable support plugs inserted into the ends of the adjacent tubes to provide the required tube wall and tube sheet support during detonation of the explosive activated plugs, with the support plugs being removed after the leaky tube is sealed.
Claims6
In combination with a pressure vessel comprising tube sheet means transversely arranged therein, a plurality of fluid conveying tubes disposed within the vessel, the tubes having their ends connected to the tube sheet means, and including explosive activated plugs disposed for insertion into the ends of a leaky tube, means for detonating the explosive in the inserted plugs to fix the plugs to the surrounding tube walls thereby sealing the ends of the leaky tube, the improvement comprising means for supporting the tube sheet means and the ends of tubes adjacent to the leaky tube during detonation of the explosive, the supporting means including support plugs removably inserted into and bearing against the ends of said adjacent tubes.
Dependencies are inferred from the claim text.