COMBINACAO DE UM CONJUNTO DE FECHAMENTO E UM RECIPIENTE DE ARMAZENAGEM CRIOGENICA

摘要

The invention deals with a neck tube closure assembly for cryogenic containers.
According to the invention, the double walled non-pressurized cryogenic storage container (10) comprises a closure assembly (11) having a neck plug (25) and a multiplicity of radially projecting spacer elements (26) for establishing an annular space (27) between the neck plug (25) and the neck tube (20) of the container.
In a preferred embodiment, the closure assembly further comprises a neck tube adapter which is preferably wider in cross section on one side relative to the opposite side.