Device arranged to permit an air flow from an environment to an inner space

摘要

The invention refers to a device (8) which is arranged to permit an air flow from an environment to an inner space (3) of a member (1). The device (8) comprises a passage through a wall section (2a) of said member (1). The wall section (2a) comprises a convex surface area (19) which faces said environment, wherein the passage extends through the surface area (19). In one application of the invention said member comprises a milking member (1).