IMPROVED CARTRIDGE FOR A STEREOLITHOGRAPHY MACHINE, STEREOLITHOGRAPHY MACHINE SUITED TO HOUSE SAID IMPROVED CARTRIDGE AND METHOD FOR USING SAID IMPROVED CARTRIDGE

摘要

A cartridge (1) for a stereolithography machine, comprising: a container (2)provided with an access opening (3) andwith a transparent bottom (4) opposite the access opening (3); a reservoir (5)suited to contain a liquid or pasty base material, unremovablyassociated with the container (2); valve means (6) suited to allow the passageof the base material from the reservoir (5) tothe container (2), configured to open when the difference between the pressurepresent in the reservoir (5) and the pressure presentin the container (2) is at least equal to a predefined value and to closespontaneously when the pressure difference is lower than thepredefined value, the reservoir (5) comprising tight connection means (7) forconnection to an external air feeding device (8).