Improvements in the construction of piston presses for the elimination of liquids and gases contained in mineral or organic masses (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction of piston presses for the elimination of liquids and gases contained in mineral or organic masses, with a filter fixed on the internal surface of the piston, characterized in that the piston consists of a plate like a colander, pierced through and because the bottom of the press cylinder is lifting and/or laterally sliding. (Machine-translation by Google Translate, not legally binding)