Perfected pump for the extraction of pastosos and abrasive products. (Machine-translation by Google Translate, not legally binding)

摘要

Improved pump for the extraction of pasty and abrasive products, which essentially is characterized in that it consists of a casing formed by six different pieces anchored together by screws, which casing comprises four internal independent chambers, in which a system is accommodated, respectively, gear reducer, the axes of the pump impellers, the impellers themselves, and, eventually, in the latter, a gear transmission system to give movement to a blade agitator, which is located on the outside of the pump. (Machine-translation by Google Translate, not legally binding)