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US 6,034,345 AGranted
Apparatus for repairing high temperature process vessels
AssigneeHot Tech Inc.
InventorCarl Firestone
Life of this patent
Estimating the term…
Abstract
An apparatus for repairing high temperature process vessels while at or near their operating temperatures, which may be up to 3000.degree. F. The apparatus includes a lance, a welding apparatus at the distal end of the lance, and power supply and control cabling within the lance. The welding apparatus is contained within a protective housing and both the lance and the housing may be either air- or water-cooled.
Claims15
An apparatus for repairing high temperature process vessels, comprising:
- a protective lance having a distal end and a proximal end, said protective lance adapted to be used inside a high temperature process vessel maintained at a temperature in the range of several hundred to 3000.degree. F. and having a length sufficient for the operator to remain outside the high temperature process vessel;
- a welding apparatus mounted to said distal end of said lance;
- power supply cable housed within said protective lance for powering said welding apparatus.
Dependencies are inferred from the claim text.