| 主权项 |
1. A diving nozzle for filling a product into a package and for purging the package with a purging gas, the diving nozzle comprising:
a first tube having a first inlet and a first outlet, the first inlet connected to a supply of a first material, and the first outlet operable to dispense the first material into the package, the first material being one of the product and the purging gas; a second tube moveable with respect to the first tube, the second tube having a second inlet and a second outlet, the second inlet connected to a supply of a second material, the second outlet operable to dispense the second material into the package, the second material being the other of the product and the purging gas; and a fluid controlled actuator having a shaft and a piston slidingly received within a case, the shaft having one end secured to the second tube and an opposite end secured to the piston, the fluid controlled actuator operable to displace the second tube through a control ingress and egress of a fluid into the case. |
