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US 2011/0215565 A1Published application
Coupling element for connecting two pipe ends
AssigneeNorma Germany GmbH
InventorsAndreas BAUER, Jerôme CHATEAU
Life of this patent
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Abstract
Coupling element for connecting two pipe ends. The coupling element includes a housing with a first connecting end, a second connecting end, and a connecting channel formed between the first and second connecting ends, and a vent duct having a passage covered by a hygroscopic seal and a vent valve that includes a valve seat and a valve element arranged in series with the hygroscopic seal and the passage. The valve element is structured to be lifted from the valve seat by a pressure in the connecting channel.
Claims20
A coupling element for connecting two pipe ends, comprising:
- a housing with a first connecting end, a second connecting end, and a connecting channel formed between the first and second connecting ends;
- a vent duct having a passage covered by a hygroscopic seal and a vent valve that includes a valve seat and a valve element arranged in series with the hygroscopic seal and the passage,
- wherein the valve element is structured to be lifted from the valve seat by a pressure in the connecting channel.
Dependencies are inferred from the claim text.