Improvements introduced in the pressure deposits for the launch of dense products. (Machine-translation by Google Translate, not legally binding)

摘要

"IMPROVEMENTS INTRODUCED IN THE PURPOSE OF MAIN PATENT No. 521.010, FOR IMPROVEMENTS INTRODUCED IN THE DEPOSITS OF PRESSURE FOR LAUNCHING DENSIVE PRODUCTS", consisting of the fact that screening of the dense product is achieved by superimposing a frustoconical lid on the upper base of which is joined a hopper, also truncated cone, with a projection at the end of it, on the inside, to support a sieve on it; Through this passes the dense product that is sifted, due to the absorption created by a vacuum or suction valve, which is attached to the lid, through a hole made in a convenient area. (Machine-translation by Google Translate, not legally binding)