Narrow Groove Gas Metal Arc Welding Torch
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United States of America Patent
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Issued Date -
Apr 14, 2011
app pub date -
Oct 12, 2009
filing date -
Oct 12, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A narrow groove GMAW torch for thick section welding that addresses the problems of conventional welding torches. A main body portion has a power block with electrical, feed welding wire, water cooling, and shielding gas connections and a contact tip. A dielectric is attached to the main body portion and has a primary shield gas outlet. A gas shield attached to the dielectric defines an annulus between them that functions as a secondary gas shield. A diffusing gas outlet in the dielectric delivers shielding gas to the weld area. The contact tip attached to the power block is designed to receive and control the curvature of the feed welding wire.
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