from The Century Dictionary and Cyclopedia

  • n. A ring placed when hot around some other piece, so that in the process of cooling and consequent contraction it will exert a powerful compression and add strength to resist internal strains in the piece.
  • n. A ring so located in a structure that all tendencies to contract on cooling shall be concentrated at this point, and can there be compensated or allowed for and their effects reduced or eliminated.
  • n. Same as a shrink- or shrunk-collar.


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