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Expired - Lifetime
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Individual
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Individual
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Publication of GB190810807ApublicationCriticalpatent/GB190810807A/en
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Curing Cements, Concrete, And Artificial Stone
(AREA)
Abstract
10,807. Polysius, G., [Firm of]. May 18, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Void. [Published under Patents &c. Act, 1907.] Cements.-In treating cement, ores, &c., the roasting and cooling operations are conducted in a single rotary tubular furnace. The rotary furnace a, Fig. 1, is charged by the pipe b and coaldust is blown in through the pipe c. The air drawn in at g cools the material in the lower part of the furnace and promotes combustion in the upper part. Naphtha, producer gas, &c. may be used in lieu of coal.
GB190810807D1907-05-181908-05-18Improved Process and Apparatus for Treating Cement, Ores and the like.
Expired - LifetimeGB190810807A
(en)