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joint bar

noun
1.
one of a pair of bars used to join two rails longitudinally.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for joint bar
  • Higher modulus bars are expected to increase joint bar fatigue strength.
  • Each joint bar shall be lubricated by spraying lubricating compound behind the joint bar as part of the installation procedure.

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