Isostatic press for treatment in bulk at high pressure, in particular food products such as liquid filler of particles

摘要

Isostatic press comprising a cylinder (1) closed by a bottom (2) and an upper end (3) and containing in its interior a piston of revolution (4) delimiting a first (5) and a second (6) chambers, the first chamber (5) being provided with a conduit (7) of the power supply which can be closed by a first valve (8) and a drain pipe (9) which can be closed by a second valve (10), the second chamber (6) being connected to a pipe (22) of the power supply which can be closed by a third valve and to a discharge pipe (22a) which can be closed by a fourth valve, characterized in that the seat of at least one of the first (24b - 25b), a third (24 - 25) and fourth (24a - 25a) valves is constituted by a conical end (27b, 27, 27a) of a bore (24b, 24, 24a) passing through one of the ends (2, 3).