Heating – Work feeding – agitating – discharging or conveying... – Removable furnace bottom section or kiln cart
Patent
1987-03-24
1988-01-12
Favors, Edward G.
Heating
Work feeding, agitating, discharging or conveying...
Removable furnace bottom section or kiln cart
432137, 432242, F27D 312
Patent
active
047188472
ABSTRACT:
A kiln system for heat treating ceramic and metallic material. The system comprises an insulated housing having an open-ended through passageway, a plurality of kiln cars adapted to be received in and pass through the passageway, a plurality of spaced seals coupled to the housing and engageable with leading and trailing walls on each kiln car, and heating and cooling sources. The leading and trailing walls of each kiln car together with the spaced seals subdivide the passageway into zones of differing temperatures. By use of seals located at the ends of the passageway, outer doors for the passageway are unnecessary. By forming the zones of differing temperatures by use of the plurality of spaced seals, a plurality of kiln cars can be moved through the passageway in series one after the other and be subject to pre-heating, heating and cooling temperatures typically used in heat treating without the need of inner doors or a long housing.
REFERENCES:
patent: 1898042 (1933-02-01), Forse et al.
patent: 2173586 (1939-09-01), Herington
patent: 2200619 (1940-05-01), Fallon
patent: 2525101 (1950-10-01), Robson
patent: 2550807 (1951-05-01), Hanley, Jr.
patent: 4005981 (1977-02-01), Turnbull
patent: 4444557 (1984-04-01), Kimura et al.
patent: 4504221 (1985-03-01), Hartmann
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