LIP SEAL FOR A COOKING APPLIANCE AND A COOKING APPLIANCE PROVIDED WITH SAID SEAL

摘要

The invention relates to a lip seal (1) mountable between a cover and a cooking appliance vat in order to ensure a tightness between said cover and the vat and comprising at least one first and one second lips (1A, 1B) connected by a heel (1C) which defines a closed interstitial space when the lips (1A, 1B) are disposed against each other. The inventive seal (1) is characterised in that it comprises at least one geometrical discontinuity (8 0) which provides at least one channel connecting said interstitial space with the outside when the lips (1A, 1B) are disposed against each other. The invention can be used for household cooking appliances.