METHOD FOR PURGING CONTAINERS
2 Assignments
0 Petitions
Accused Products
Abstract
A method for purging a container with a purgative gas before filling the container with liquid filling-material includes sealing the container against a treatment head, connecting the container to a vacuum source, thereby at least partially evacuating the container, and with the container still connected to the vacuum source, introducing purgative gas into the container such that pressure in the container is between 0.05 bar and 0.4 bar and any pressure change within the container during the introduction of purgative gas remains below 0.2 bar.
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Citations
30 Claims
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1-13. -13. (canceled)
- 14. A method for purging a container with a purgative gas before filling said container with liquid filling-material, said method comprising sealing said container against a treatment head, connecting said container to a vacuum source, thereby at least partially evacuating said container, and with said container still being connected to said vacuum source, introducing purgative gas into said container, wherein introducing said purgative gas into said container comprises adjusting a pressure in said container to be between 0.05 bar and 0.4 bar, and wherein introducing said purgative gas into said container comprises avoiding a pressure change in said container that is greater than 0.2 bar.
Specification