Composite consumables for a plasma arc torch
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United States of America Patent
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May 30, 2017
Grant Date -
Feb 12, 2015
app pub date -
Oct 14, 2014
filing date -
Sep 13, 2006
priority date (Note) -
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Abstract
An electrode is provided for use in a plasma arc torch. The electrode includes a body having an elongated forward portion and a ring-shaped aft portion. The forward portion is configured to provide an electrically conductive path from the distal end to the proximal end. The forward portion comprises a first conductive material. The ring-shaped aft portion, defining a hollow center, is configured to substantially surround a portion of the forward portion when the forward portion is located inside of the hollow center. The aft portion includes a pneumatic reaction region for receiving a biasing flow of a pressurized gas. The aft portion comprises a second material. In some embodiments, the first conductive material is the same as the second material.
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