E-Vaping Reservoir Bayonet Refill Interface for Leak Isolation

The patent introduces a refill port with a refillable seal as an intermediary mechanism between the reservoir interior and exterior. This seal acts as a mediator that allows controlled transfer of pre-vapor formulation during refilling while preventing unauthorized access and contamination. The seal maintains isolation between interior and exterior environments while enabling legitimate refilling operations through the designated refill port.

The patent applies local quality by providing different isolation characteristics at different locations of the reservoir. The refillable seal at the refill port provides selective isolation - it remains sealed during normal operation to prevent formulation transfer, but can be intentionally opened for refilling. This localized control allows the fluid port to be accessible when needed while maintaining isolation elsewhere to prevent unwanted formulation transfer to the exterior.

The refillable seal operates on a self-service principle where the user can independently control the sealing and refilling process. The seal can be opened and closed by the user without requiring external tools or complex mechanisms, enabling simple refilling operations. At the same time, the seal maintains device integrity by preventing unauthorized access and contamination when closed, thus preserving reliability while enabling ease of operation.