PROCESS FOR DEPOSITING A COMPACT FILM OF PARTICLES ON THE INTERNAL SURFACE OF A PART HAVING A HOLLOW DELIMITED BY THIS INTERNAL SURFACE

摘要

The invention relates to a process for depositing a compact film of particles (4) on the internal surface (10) of a part (2), comprising the following steps: a) placing the part (2) in a carrier liquid (6); b) generating a flow of carrier liquid (44) into the hollow (8) of the part in the direction of the surface (18) of the carrier liquid, so as to create a protuberance (50); c) dispensing the particles (4) in order to form a compact film floating on the liquid (6) between a contact line (20) and an upstream front (6) of particles; and d) transferring the film (4) onto the internal surface (10) by performing a relative displacement between this part (2) and the surface (18) of the carrier liquid, while continuing to dispense particles (4) onto the upstream front (60).