Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate
2011-03-29
2011-03-29
Greene, Jason M (Department: 1775)
Gas separation
Plural serial basically diverse separating media
Plural stages in unitary casing
C055S482000, C055S486000, C055S462000, C055S465000, C055S523000, C055S440000, C055S442000, C055S443000, C055S444000, C095S268000, C095S272000, C095S273000, C095S287000
Reexamination Certificate
active
07914595
ABSTRACT:
In a conventional reflow furnace equipped with a fume removal device, fume solids adhere to the inside of piping connecting it to the removal device, and a great amount of trouble was required for removal of the fume solids. The present invention maintains a fumes-containing gas discharged from a furnace at a temperature of at least the liquefication temperature of the fumes until the gas reaches a removal device so that fume solids do not adhere to the inside of piping. A removal device installed on a reflow furnace according to the present invention comprises an elongated-hole filter and a labyrinth filter, and fumes are completely removed by both filters.
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Hiyama Tsutomu
Mutsuji Toshihiko
Nakamura Hideki
Bui Dung
Greene Jason M
Senju Metal Industry Co. Ltd.
Tobias Michael
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