Exhaust passage component
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United States of America Patent
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Mar 25, 2014
Grant Date -
Jun 7, 2012
app pub date -
Dec 6, 2011
filing date -
Dec 7, 2010
priority date (Note) -
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Abstract
An exhaust passage component includes: an inner space used as part of an exhaust passage of a hot water supply apparatus; a drainage passage configured such that if condensed water is produced in the inner space, the condensed water is caused to flow out of the inner space; a first sheet metal member, at least part of which includes a first recess formed by drawing and a plate-like portion formed around the first recess; and a second sheet metal member, at least part of which includes a second recess by drawing and a flange formed around the second recess.
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