Neck ring seal

Abstract

A filling valve device having a gripper and a container mouth seal, in which vertical movement of the gripper holding an empty beverage container relative to a filling valve causes a filling valve container mouth seal to be brought into contact with a neck ring to form a gas seal and fill a beverage containing carbon dioxide. The cross-sectional shape of the container mouth seal approximates an inwardly facing lip shape. Flexibility is imparted in the vertical direction of the filling valve. The inside of the container mouth seal is brought into contact with the neck ring during beverage filling, and a sealing force is applied to the beverage container and the container mouth seal by the gas pressure applied during filling.

1 . A filling valve device for filling a container with a fluid, comprising:
 a filling valve including a ring-shaped seal packing for sealing the container, the seal packing having a cross-sectional shape approximating an inwardly facing lip shape and an inner section resilient in an vertical direction of the filling valve; and   a container lift configured to hold the container and to move vertically with respect to the filling valve, whereby the seal packing is brought into contact with a portion of the container to form a gas seal.   
   
   
       2 . The filling valve device of  claim 1 , wherein the portion of the container is a container mouth. 
   
   
       3 . The filling valve device of  claim 1 , wherein the portion of the container is a container neck ring. 
   
   
       4 . The filling valve device of  claim 1 , wherein the portion of the container is a container barrel cone. 
   
   
       5 . The filling valve device of  claim 1 , wherein the seal packing comprises a flexibility in a vertical plane. 
   
   
       6 . The filling valve device of  claim 1 , wherein the seal packing comprises a   shaped cross-sectional shape.