초록 ▼

A valve for safeguarding the outer container of a double wall vacuum-insulated container for low boiling liquified gases against a pressure increase in the insulation space after a loss of vacuum comprises a valve housing fastened in the outer container, a valve plug and an O-ring which, as a result

A valve for safeguarding the outer container of a double wall vacuum-insulated container for low boiling liquified gases against a pressure increase in the insulation space after a loss of vacuum comprises a valve housing fastened in the outer container, a valve plug and an O-ring which, as a result of deformation, act as a sealing element between the valve housing and the valve plug. The dimensions of the valve housing and seal plug causing deformation of the O-ring in the radial direction and the influence of the outside air pressure causing simulataneous deformation in the axial direction.

대표청구항 ▼

A method of safeguarding the outer container of double wall vacuum-insulated storage containers for low boiling liquified gases against a pressure increase in the insulation space after a loss of vacuum by means of a valve comprising a valve housing fastened in the outer container and a valve plug a

A method of safeguarding the outer container of double wall vacuum-insulated storage containers for low boiling liquified gases against a pressure increase in the insulation space after a loss of vacuum by means of a valve comprising a valve housing fastened in the outer container and a valve plug and an O-ring which as a result of deformation act as a sealing element between the valve housing and the valve plug, the improvement being in deforming the O-ring in its radial direction as a result of the dimensions of the valve housing and the seal plug and simultaneously deforming the O-ring in its axial direction as a result of the influence of the outside air pressure on the valve plug.