Filling system and method for the treatment of containers with a process gas
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United States of America Patent
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Nov 7, 2017
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N/A
app pub date -
Jul 3, 2014
filing date -
Jul 9, 2013
priority date (Note) -
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Abstract
A filling element includes an actuator, a liquid valve, and a gas tube on a plunger that extends into a container. The plunger and the gas tube define a first gas-duct that extends through the plunger and the gas tube. The first gas-duct has ends that extend respectively into a gas-space of a product vessel and the container's interior. A first gas-valve along the first gas-duct has a gas-valve body that interacts with a valve seat in the first gas-duct. The gas-valve body has a second gas-duct formed therethrough. This second gas-duct at least temporarily engages the first gas-duct in a fluid-tight manner. The gas-valve body has a valve face and a valve opening that cooperate to form a second gas-valve through which, when the second gas-valve opens, gas flows through the first and second gas-ducts and enters the container.
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