Patent ID: 9481483
Filing Date: 2016-11-01
CPC Classification: A61L,B65B

Claim Text:
1. A sterilization unit for a filling machine, the unit comprising a frame movable in an axial direction and at least two nozzle pipes for injection of a sterilization agent into a respective packaging container to be sterilized, the at least two nozzle pipes including first and second nozzle pipes, the first and second nozzle pipes being movable together with the frame in the axial direction to position each of the first and second nozzle pipes in an interior of the respective packaging container to deliver sterilization agent to the interior of the respective packaging container, wherein the frame of the sterilization unit is driven to move in the axial direction, in a downward stroke and an upward stroke, corresponding to a longitudinal direction of the first and second nozzle pipes to insert each of the first and second nozzle pipes into an open end of the respective packaging container during sterilization of the packaging container, wherein the first and second nozzle pipes are suspended in a suspension allowing each of the first and second nozzle pipes to be displaceable in relation to the frame of the sterilization unit, in the axial direction, so that if the first nozzle pipe contacts an obstruction during downward movement of the frame and the first and second nozzle pipes, the first nozzle pipe ceases downward movement while the frame and the second nozzle pipe continue the downward movement.