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F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
F27B1/00—Shaft or like vertical or substantially vertical furnaces
F27B1/005—Shaft or like vertical or substantially vertical furnaces wherein no smelting of the charge occurs, e.g. calcining or sintering furnaces
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FR5263D1905-02-171905-09-26Four à cuve avec chauffage au gaz de générateur, pour la cuisson de la chaux, de la dolomie et autres matières analogues
ExpiredFR5263E
(fr)