Repairing a friction stir welded assembly

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United States of America Patent

PATENT NO 8544715
APP PUB NO 20100173123A1
SERIAL NO

12349058

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of repairing and a repaired friction stir welded assembly is disclosed. The friction stir welded assembly repair may include the steps of: drilling a hole through a discrepant portion of the friction stir welded assembly; sliding a mandrel head and a tubular rivet body of a rivet assembly through the hole; seating a rivet head and an adhesive/sealer washer against one of the first workpiece and the second workpiece, with the adhesive/sealer washer located between portions of the rivet head and body and the friction stir welded assembly; pulling a mandrel to cause the mandrel head to create an upset portion of the rivet body engaging the friction stir welded assembly; and curing the adhesive/sealer washer.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Pei-Chung Shanghai, CN 206 1599
Zardus, Paul M Royal Oak, US 4 52

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