Device and method for sealing levelling door aperture of a...

Distillation: apparatus – Apparatus – Elements

Reexamination Certificate

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Details

C202S250000, C202S251000, C202S262000, C202S263000, C202S244000, C202S245000

Reexamination Certificate

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06918999

ABSTRACT:
The invention relates to a device for sealing a leveling door aperture of a coke oven chamber when loading bulk coking coal. The device includes a housing and a leveling door aperture, a leveling arm, composed of at least side panels and cross spacers connecting the side panels, is guided through the housing and the leveling door aperture. The leveling arm supports means for sealing a cross-sectional area of the leveling door aperture or upstream the leveling door aperture. A controllable or adjustable exhauster is joined to the housing and a measurement point is provided for flow rate measurement.

REFERENCES:
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patent: 3647053 (1972-03-01), Palumbo
patent: 3821088 (1974-06-01), Barron
patent: 3857758 (1974-12-01), Mole
patent: 3859066 (1975-01-01), Trutzschler
patent: 3968014 (1976-07-01), Armour
patent: 4231845 (1980-11-01), Vander et al.
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patent: 4264263 (1981-04-01), Richmond, Jr.
patent: 4283253 (1981-08-01), Polenz et al.
patent: 4359362 (1982-11-01), Omae
patent: 5114542 (1992-05-01), Childress et al.
patent: 5925829 (1999-07-01), Laragione et al.
patent: 1 127 868 (1962-09-01), None
International Search Report, dated Nov. 4, 1998.

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