Patent ID: 8578977

Claim:
A gas filling and dispensing device comprising a body adapted to be placed in the opening of a pressurized gas storage container, the body comprising: a) a gas withdrawal circuit extending between i) an upstream first end configured to be capable of connection to the inside of the container and ii) a downstream second end configured to be capable of connection to a gas user container, b) a filling duct comprising i) an upstream first end configured to be capable of connection to the inside of the container and ii) a downstream second end configured to be capable of connection to a filling member, iii) a first valve comprising A) a movable obturator configured to be urged downwardly by a return member toward a seat, the obturator and seat being adapted to automatically close the filling duct, B) said first valve adapted to open under the action of a stream of filling gas having a pressure above a predetermined threshold, iv) an isolating second valve in series with, and downstream of, the first valve, the isolating second valve comprising, A) an operating member configured to be capable of manual actuation and adapted to open and close said second valve in response to manual acuation of the operating member, c) a closure third valve located downstream of the second valve and at the downstream ends of the filling duct and of the withdrawal circuit, wherein the withdrawal circuit and the filling duct have common downstream ends and said filling duct includes at least one portion separate from the withdrawal circuit.