Water heater threaded weld fitting having improved weld integrity
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United States of America Patent
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Apr 29, 2014
Issued Date -
N/A
app pub date -
May 31, 2011
filing date -
Jan 23, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A threaded weld fitting and a method of welding a threaded weld fitting to the tank wall of a water storage tank are provided. The threaded weld fitting comprises a body defining an aperture and having a facing surface configured to be positioned facing the tank wall. A female thread is formed along the aperture. A first beveled surface portion of the facing surface extends from an edge of the body. A landing surface portion of the facing surface extends from the first beveled surface portion toward a longitudinal axis of the aperture. A second beveled surface portion of the facing surface extends from the landing surface and to the female thread. The landing surface portion and the second beveled surface portion together define an open annular area positioned to receive a portion of a weld formed by welding the threaded weld fitting to the tank wall.
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