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Publication of ES254220A1publicationCriticalpatent/ES254220A1/en
Improvements in the mixing drums, characterized in that a stirring mechanism that has a higher rotation speed than the mixing drum and that on an axis moved through the center of the drum parallel to its shape is placed in a fixed rotary drum sealed to dust. mantle are distributed in spiral form stirring and projecting vanes, shaped in such a way that they lift the mixing material from the wall of the drum and project it in all directions. (Machine-translation by Google Translate, not legally binding)
ES0254220A1949-04-241959-12-16Improvements in drums mixers (Machine-translation by Google Translate, not legally binding)
ExpiredES254220A1
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