| 摘要 |
<p>Apparatus for dispensing amounts of gas, particularly for the inflation of balloons, including a gas flow control means (2,3,5) for controlling a supply of gas and a pressure sensing means (7) to determine the pressure of dispensed gas downstream of the flow control means and means (8) for controlling the flow of gas in dependence upon the pressure sensed. The apparatus, when used for filling balloons, includes a nozzle (6) which may incorporate a sensor to determine when it is inserted into the neck of a balloon. The apparatus may also include a means for receiving a payment and a means for dispensing balloons. <IMAGE></p> |
