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Tube rolling mill plugs

  • US 3,237,441 A
  • Filed: 05/01/1963
  • Issued: 03/01/1966
  • Est. Priority Date: 05/01/1963
  • Status: Expired due to Term
First Claim
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1. IN A METAL DEFORMING APPARATUS, THE COMBINATION OF AT LEAST TWO COOPERATING ROLLS AND A CONICAL PLUG BETWEEN SAID ROLLS, SAID PLUG BEING COMPOSED OF AN ALLOY CONSISTING ESSENTIALLY AS FOLLOWS:

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