Method for inspection and repair

Details Method for inspection and repair Method for inspection and repair

2006-02-28

2009-11-17

Bryant, David P (Department: 3726)

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

C029S402010, C073S622000

Reexamination Certificate

active

07617603

ABSTRACT:
A method for the inspection and repair of a tube includes electrical discharge machining an access hole into the tube, optionally at or near the uppermost location on the tube, near the upper header; performing inspection of the tube, optionally using a visual or an eddy current inspection technique; providing an inner diameter flush-mounted plug insert which has been machined for re-inserting into the access hole; and attaching the plug insert to the tube.

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