HOT-WATER HEATER MANUFACTURING METHOD AND HOT-WATER HEATER MANUFACTURED BY THE SAME
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Dec 19, 2011
filing date -
Dec 28, 2010
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Abandoned
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Abstract
Provided is a hot-water heater manufacturing method capable of obtaining stable heat exchange characteristics by applying a moderate contact surface pressure between heating-medium circulating tubes and heater members that constitute a hot-water heater, and capable of improving the reliability by enhancing the joint strength between the heating-medium circulating tubes, with a simple and easy manufacturing process.
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