. Journal. I.—GENERAL; PLANT; MACHINERY. [Har. 31, 191& to one another. Tho iHanutor of the dryer mustbe twice tliat of the inlet pipe in order that thegas may pivss thi-oiisih the dryer at JV speed U»ssthan that at whieh the moistmv will he carriedalon^ by the pis. and greater than that at wliichno water is deposited on the baftles.—J. B. C. K. Grinding and cnishinri mills. E. Bouvier, Kieder-nzwil. Assignee of \V. Bruderer, Flawil. Switzer-land, ling. Pat. Dec. 15. 1914. UnderInt. Conv., Dec. IS, 1913. One or more grinding rollers, cylindrical or other-wise, are positively ilriven an
. Journal. I.—GENERAL; PLANT; MACHINERY. [Har. 31, 191& to one another. Tho iHanutor of the dryer mustbe twice tliat of the inlet pipe in order that thegas may pivss thi-oiisih the dryer at JV speed U»ssthan that at whieh the moistmv will he carriedalon^ by the pis. and greater than that at wliichno water is deposited on the baftles.—J. B. C. K. Grinding and cnishinri mills. E. Bouvier, Kieder-nzwil. Assignee of \V. Bruderer, Flawil. Switzer-land, ling. Pat. Dec. 15. 1914. UnderInt. Conv., Dec. IS, 1913. One or more grinding rollers, cylindrical or other-wise, are positively ilriven and mounted on fixedaxes either within or without one or more grindingrings of suitable shape, which yield elasticallyupon the passage of the material wliich is beingground.—W. F. F. Pulverising and sifting apparatus. W. A. Dawson,Hidl. Eng. Pat. 3586, Mar. G, 1915. The material is fed from the hopper, E, to thechamber, a, where it is ground between therotating members, c, and the spring-controlled. J7~,xzr^°^ members, /. The material is then projected onto the rotary member, m, Carrying smallrotary brashes, p, which strike against fixedbrushes, q. After passing m, the material issifted successively through screens into collectingsacks.—W. F. F. Dryer for grain and similar granular Fiirmever, Cassel. Ger. Pat. 287,855,Aug. 23, 1913. A VERTICAL screw conveyor, mounted in thecentre of an upright cylindrical dryer, producesa circulation of the granular material upwardsin the central zone and downwards near theperiphery. A current of hot air is passed eitherupwards or downwards througli the central zoneof the dryer.—A. S. Drying apparatus for liquids. E. Glacier, geb. Hein-rich, Stuttgart. Ger. Pat. 287,051, Aug. 19,1913. Plates depending from an endless chain dip intothe liquid and carry a film of it tlu-ough thedrying chamber. Tlie dried material is removedfroni the plates by a pair of scrapers, so mountedthat they bear like springs against the plate onei
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