VERSCHLUSS FUER FLUESSIGKEITSBEHAELTER

摘要

A cap for a vehicle coolant or fuel container with an automatically functioning excess-pressure and vacuum valve. The sealing lid of the cap is connected to a central part displaceable for a sealing relationship with a shoulder of the container against the action of a compression spring. A vacuum valve part is displaceably mounted in an axial opening in the center part. The vacuum valve has a bottom flange which is urged by a leaf spring into a sealing relationship with the central part against the action of a vacuum applied therebeneath.