Patent
1978-06-12
1980-01-22
Envall, Jr., Roy N.
13 26, 98115VM, F27B 1402
Patent
active
041851579
ABSTRACT:
An apparatus for removing smoke and fumes from a melting furnace including a stationary exhaust duct, an inverted funnel-shaped hood, and an extensible ducting stem pivotally interconnecting the hood and exhaust duct to accommodate shifting movement of the hood with respect to the furnace from a first position in which the bottom opening of the hood generally overlies the surface of the platform and the furnace charging port to a second position whereat the bottom opening extends laterally beyond the platform and substantially overlies the discharge zone of the pouring spout upon tilting of the furnace.
REFERENCES:
patent: 1998456 (1935-04-01), Hanson et al.
patent: 3311695 (1967-03-01), Kasper
American Air Filter Company, Inc.
Envall Jr. Roy N.
Winger Jon C.
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