US2023088020A1PendingUtilityA1

Method of repairing a region of a part including a threaded hole

Assignee: PRATT & WHITNEY CANADAPriority: Feb 12, 2020Filed: Nov 29, 2022Published: Mar 23, 2023
Est. expiryFeb 12, 2040(~13.5 yrs left)· nominal 20-yr term from priority
B23G 9/009B23K 9/048B23P 6/00
62
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Claims

Abstract

Methods of repairing a periphery of a threaded hole of a part are provided. An embodiment of the method includes adding material to a region of the part including on a periphery of the threaded hole. New threads are formed in the added material. The new threads are continuous with existing threads formed in the hole.

Claims

exact text as granted — not AI-modified
1 .- 17 . (canceled) 
     
     
         18 . An assembly comprising:
 a part including:
 a substrate including a region including a hole with existing threads formed in the hole; and 
 repair material added to the region of the substrate including at least on part of a periphery of an opening of the hole, the repair material defining an unthreaded extension of the hole; and 
   a tap disposed entirely inside the hole and threadably engaged with the existing threads formed in the hole.   
     
     
         19 . The assembly of  claim 18 , wherein:
 the hole is a blind hole;   the tap has a leading end; and   the leading end of the tap is facing the opening of the hole.

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