Capacheta for the extraction of oils (Machine-translation by Google Translate, not legally binding)

摘要

A new layer for the extraction of oils, characterized essentially by being constituted by a wire-braid duly pressed, spirally wound on itself, the adjacent loops being in intimate contact, and all of them being retained in the assembly by a circular stitching, spiral and preferably radial, with total absence of nerves. (Machine-translation by Google Translate, not legally binding)