MIXER FOR MORTAR PREPARATION Russian patent published in 2004 - IPC

FIELD: building equipment, particularly for mortar preparation. SUBSTANCE: mixer has cylindrical tank and drive arranged under tank bottom. Drive comprises central shaft and two cross-bars fixedly connected thereto. One cross-bar has executive mixing blade-like units. Another cross-bar includes rotational additional mixing unit, which is used as actuator. Actuator has rotary actuation means with flexible transmission means. Actuation means is coaxial to outlet shaft of crossbars drive. Tank has hatch for loading substances to be mixed and gate for ready mortar distribution. Each blade has scraper. Actuator comprises upper and lower screw blades with oppositely directed turns and scrapper fixed to edge of lower blade. Upper screw blade is arranged so that upper part thereof is located under mortar surface. EFFECT: increased mixing capability. 2 dwg