WILLIAM ABELL BISHOP CALVIN TOMKINS
5710. Bishop, W. A., and Tomkins, C. March 7. Screw conveyers.-In a furnace for calcining plaster, a screw mixer and conveyer 41 for carrying the materials through the calcining-chamber 15, has its screw surface, for a portion of its length, spaced fr...
HERMANN WILHELM ENGEL
28,361. Engel, H. W. Dec. 16. Impregnating-compositions.-Marble and like natural stone is rendered more transparent by saturating it with a solution of a resin or a preparation of cellulose, such as celluloid or gun-cotton, in a volatile solvent. The ...
8233. Passow, H. April 2, 1910, [Convention date]. Filtering-media. - Filtering-plates, bougies, &c. are made by burning a mixture of infusorial earth, clay, &c. with a suitable flux, such as salt or fluor-spar at a higher temperature than the sinteri...
JOHN GUSTAF ADOLF RHODIN
21,697. Rhodin, J. G. A. Oct. 2. Potassium salts.-Hydraulic cement is prepared from feldspar (orthoclase) by heating a mixture of 100 parts of the spar with 56 parts of slaked lime and 40 parts common salt at about 900-1000? C., lixiviating with hot w...
PETY-GLASMALEREI-GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG THEODOR SCHWEIZER
11,942. Schweizer, T., and Pety-Glasmalerei Ges. May 17. Plastic compositions containing soluble silicates; metallic plastic compositions.-A plastic composition for imitating the cames of leaded glass consists of a mixture of double silicate of potash...
THE BRITISH THOMSON-HOUSTON CO., LTD.
8614. British Thomson Houston Co., [General Electric Co.]. April 6. Surface-tension and like separating-processes. -Asbestos or other fibrous material is separated from lumps and impurities by introducing the impure mass into water containing a small ...
20,086. Donecker, A. Sept. 30, 1910, [Convention date]. Road8 and ways, special materials for.-Consists in making an artificial gravel by coating small stones, pieces of baked clay or the like with a mortar consisting of fine sand or stone, lime or ce...
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
21,987. British Thomson-Houston Co., [General Electric Co.]. Oct. 5. Plastic compositions containing talc or soapstone. - Powdered talc or soapstone is mixed with gelatinous magnesium silicate, moulded under pressure, and fired at a temperature of abo...
WILLI HERDT ALBERT FRAASS
8161. Herdt, W., and Fraass, A. April 6, 1910, [Convention date]. Plastic compositions containing oxychlorides. -Artificial stone is prepared by mixing asbestos and talc in a solution of chloride of magnesium and adding burnt magnesite shortly before ...
THE BRITISH STONE & MARBLE COMPANY, LIMITED CHARLES WILLIAM JULIANS
9272. Julians, C. W., and British Stone and Marble Co. April 13. Concretes.-In the manufacture of artificial stone, a portion of the finely crushed stone or slag, &c., for example equal parts, is mixed with burnt lime, and slaked, and the remainder of...