| 摘要 |
The invention consists in making the wall on which the product to be bagged flows, in the area where the product is fed to the filling nozzle, of a filtering material, through which air can pass but not the product to be bagged, and in closing such an area of filtering porous material, with an impermeable wall so as to form a chamber, where vacuum in the bag filling stage or a pressurized air blow in the stage of replacing a filled bag with an empty bag on the nozzle, are alternately produced. |
