Plasma arc welding apparatus
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United States of America Patent
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-
Oct 4, 1988
Issued Date -
N/A
app pub date -
Sep 4, 1987
filing date -
Nov 29, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Plasma arc welding apparatus including a plasma torch having a body defining a flow passage for plasma gas an orifice through which plasma gas exits the torch as a high-temperature jet stream utilizes an actuatable slope control valve operatively connected in relatively close flow proximity with the torch orifice. By controlling the adjustment of the actuatable valve, the flow of plasma gas through the torch orifice is accurately controlled.
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