backing ring

noun

Definition of backing ring

: a metal ring used inside a butt-welded joint to reinforce the joint and to prevent weld metal from entering the pipe at the joint

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First Known Use of backing ring

1937, in the meaning defined above

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Time Traveler for backing ring

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The first known use of backing ring was in 1937

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Dictionary Entries Near backing ring

backing pump

backing ring

backing strip

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Cite this Entry

“Backing ring.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backing%20ring. Accessed 18 Sep. 2021.

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