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Electrode for a plasma arc torch having an enhanced cooling configuration

  • US 6,403,915 B1
  • Filed: 08/31/2000
  • Issued: 06/11/2002
  • Est. Priority Date: 08/31/2000
  • Status: Expired due to Term
First Claim
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1. An electrode for a plasma arc torch, the electrode comprising:

  • an elongated electrode body having a first end and a second end; and

    a shoulder having an enlarged diameter body integral with the electrode body, the shoulder having;

    an imperforate face toward the first end; and

    at least one rib extending aft of the face towards the second end of the electrode body, wherein the at least one rib has a varying height, thereby forming at least one groove in the shoulder body of varying depth.

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