Improvements in oil extractors of all kinds of vegetable oil flowers and seeds (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in oil extractors of all kinds of fruits and vegetable oilseeds that is characterized by having on several metal rings a cylindrical cylinder with a piston or piston consisting of two plates, one lower and one upper, interconnected by means of vertical tubes that are joined at their ends to those by any means; said tubes carry in their interior a soul constituted by a solid iron bar forming a body. (Machine-translation by Google Translate, not legally binding)