CLOSURE FOR A COOLING CONTAINER OPENING

摘要

A closure for a cooling container opening having a predefined opening diameter, particularly a cryotank (1). According to the invention, a closable extraction opening (9) for introducing items that are to be cooled into the cooling container (1) and/or for extracting cooled items from the cooling container (1) is arranged inside the closure. The diameter of the extraction opening (9) is smaller than the diameter of the cooling container opening.