Gas flow controlling device and soldering apparatus using same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 12, 2000
Issued Date -
N/A
app pub date -
Jan 14, 1998
filing date -
Jan 20, 1997
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Abstract
A gas flow controlling device including a housing having a gas inlet and a gas outlet and defining therewithin a gas flow passage diverging in the direction from the inlet to the outlet so that the cross-sectional area of the gas flow passage increases from the inlet to the outlet, and a plurality of spaced apart baffle plates provided in the gas flow passage to render the gas flow passage meandering. An apparatus for soldering an article, including a wave-soldering zone for contacting the article with a solder wave, and one or more above-mentioned gas flow controlling devices for establishing an inert gas atmosphere in the soldering zone.
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