Distillation: apparatus – Apparatus – Accessories and details
Patent
1980-03-03
1981-05-19
Lutter, Frank W.
Distillation: apparatus
Apparatus
Accessories and details
110173R, 202248, 212166, 220233, C10B 2500, C10B 4500
Patent
active
042683602
ABSTRACT:
When repairing a gate and vicinity of a coke oven chamber during operation, hot air blowing off the interior of the chamber makes repairs impossible or almost difficult. Disclosed is a temporary heat-proof apparatus capable of preventing such hot air from blowing off the chamber, which generally comprises two units in combination, viz. a heat-proof unit and a charging unit therefor. Both front end portions of the heat-proof unit are expandable toward side walls of the oven chamber, while upper and lower slide frames are arranged respectively to pressure-contact the ceiling and bottom of the chamber.
REFERENCES:
patent: 940323 (1909-11-01), Jackson
patent: 2179635 (1939-11-01), Kimmel
patent: 2335866 (1943-12-01), Lavely
patent: 2977106 (1961-03-01), Duff
patent: 3425733 (1969-02-01), Hollingsworth
patent: 3667649 (1972-06-01), Thillet
patent: 4023372 (1977-05-01), Presler et al.
patent: 4097228 (1978-06-01), Rosling
Tobitani Hiroshi
Tsuzuki Akira
Koritsu Machine Industrial Limited
Lutter Frank W.
Phillips Roger F.
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