Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1987-02-06
1988-01-05
Yuen, Henry C.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
432144, 432145, 34194, F27B 900, F27B 516, F27D 304
Patent
active
047173394
ABSTRACT:
The present invention provides a high efficiency, non-polluting curing oven, having an internal curing chamber comprising forward and rearward regions, bottom located forward and rearward access openings to and from the forward and rearward regions, a plurality of trays for carrying material to be cured through the curing chamber, a conveyor for conveying the trays to and from the forward and rearward regions through the forward and rearward access openings, a tray moving system for lifting the trays upwardly through the forward region and for transferring the trays to and for lowering the trays downwardly through the rearward region, a burner providing heated gases in a combustion chamber above the curing chamber and a fan for blowing the heated gases downwardly into the curing chamber for curing of the material with the heated gases rising back upwardly, creating a negative pressure to draw a supply of fresh outside air into the curing chamber, through the bottom located access openings.
REFERENCES:
patent: 183943 (1876-10-01), Jones
patent: 206618 (1878-07-01), Rogers et al.
patent: 1885404 (1932-11-01), Bamberg et al.
patent: 2214421 (1940-09-01), Kneass, Jr.
patent: 2459040 (1949-01-01), Weller
patent: 3790336 (1974-02-01), Brede et al.
patent: 4162141 (1979-07-01), West
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