Distillation: apparatus – Apparatus – Elements
Patent
1991-11-07
1993-02-23
Woodard, Joye L.
Distillation: apparatus
Apparatus
Elements
202269, C10B 2516
Patent
active
RE0341843
ABSTRACT:
A retrofit coke oven door seal to replace existing coke oven door seals that have become ineffective due to normal use. The retrofit coke oven door seal includes a leaf spring and seal arrangement and a unique mounting structure to enable the existing seal on a coke oven door to be easily removed and replaced by the present invention without modification of alteration to the door body or the existing refractories thus making improvements (in emission control) on existing doors by using a relatively simple structure which is cost effective. The retrofit seal for coke oven doors includes a mounting structure attached to the periphery of the diaphragm plate normally provided on a coke oven door together with fastening devices securing a leaf spring and seal assembly in a manner to enable easy removal and replacement thereof if necessary. The leaf spring and seal assembly includes an angled seal strip of metallic construction and a leaf spring engaging the outer inclined surface thereof to provide a constant sealing pressure to urge the seal strip against the door jamb surface with the angle of the sealing strip providing for elevational flexibility with the angled portion of the seal strip enabling the seal strip to conform with the jamb surface which it engages without requiring the seal strip to maintain any of its original axial planes.
REFERENCES:
patent: 2744858 (1956-05-01), Homan
patent: 4016045 (1977-04-01), Ackeren
patent: 4026769 (1977-05-01), Steimann
patent: 4176013 (1979-11-01), Garthus et al.
patent: 4186055 (1980-01-01), Baird et al.
patent: 4426259 (1984-01-01), Hendrych
Baird Billy C.
Baird William R.
Saturn Machine & Welding Co. Inc.
Woodard Joye L.
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