Patent ID: 6435788
Filing Date: 2002-08-20
Classification: B23P,F16B,Y10T

Abstract:
A method for repairing a cracked threaded hole in a material to receive a fastener therein, including the steps of:providing a thread repair insert including a sleeve having an exterior thread and an interior thread, a driving head, and a shoulder interposed between the sleeve and the driving head, the shoulder having a portion of greater width than the cracked threaded hole, wherein the exterior thread is at an upwardly inclined angle with respect to a reference plane orthogonal to a central axis of the sleeve; forming a thread within the hole which is substantially complemental to the exterior thread of the thread repair insert; and threading the thread repair insert into the hole such that the exterior thread coacts with hole threads formed in said forming step to force opposite sides of the crack toward each other.