HEAT SIPHON HEAT COLUMN AND METHOD FOR MAKING THE SAME
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United States of America Patent
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Issued Date -
Jul 17, 2014
app pub date -
Jan 11, 2013
filing date -
Jan 11, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for making a heat column includes a step of preparing a section of a metal object; a step of forging the section of the metal object to be a hollow column which has a flat bottom, a guide surface being formed in the inner periphery of the hollow column, the hollow column having a flat bottom which has a heat-exchange surface; a step of making a neck on one end of the hollow column, and a step of sealing the neck by way of welding when the interior of the hollow column is sucked to be substantial vacuum status, liquid high heat transmission agent being introduced into the interior of the hollow column. The flat bottom is integral formed when the hollow column is formed and the flat bottom is in contact with the heat source.
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