Plasma torch
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United States of America Patent
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-
Oct 30, 1990
Grant Date -
N/A
app pub date -
Mar 31, 1989
filing date -
Mar 31, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A three-part front-end assembly for a plasma arc cutting torch utilizing a single inlet gas is disclosed. The front-end assembly includes (1) an electrode having an integral, hollow, elongated, interior cooling tube, (2) a tip element with integral swirl ring, and (3) a nozzle. The electrode having an integral, hollow, interior cooling tube stacks upon and nests in the tip element with integral swirl ring. Both of these elements then nest in the nozzle forming the stack configuration of this three part, front end assembly. The invention also includes as a separate element, an electrode having an integral, hollow, elongated, interior cooling tube. Another separate element of this invention is the tip element with integral swirl ring.
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