Illinois Tool Works Inc.
Pressure airlock

Abstract:

A pressure airlock for an inflator or a gauge for use with a valve stem having exterior threads and a valve core, the pressure airlock including a conduit in fluid communication with the inflator or the gauge. A tip extends from the conduit and includes a bore. A core depressor is positioned within the bore and an inner shoulder surrounds the core depressor. An outer shoulder extends from the inner shoulder and extends beyond the core depressor. A seal is positioned on the inner shoulder and the outer shoulder and extends within the tip.