FLOWBACK METHOD IN A FILLING MACHINE AND FILLING MACHINE FOR CARRYING OUT SAID METHOD

摘要

The invention relates to a flowback method for a product contained in the distribution circuit of a filling machine. The distribution circuit (22,24,26, 28,30) creates an upstream/downstream link between a storage tank for said product and a filling tube (22) that is placed opposite the opening of a receptacle (12) that is to be filled. The invention is characterized in that the inventive method includes a step whereby a closed area around the filling tube (22) is defined by a sealed housing (38). The invention is further characterized by a step whereby a circulating liquid is injected into the above-mentioned area under pressure. The liquid passes through an auxiliary port (70), whereupon the product contained in the distribution method (22,24,26, 28,30) flows back in the direction of the storage tank.