| 摘要 |
A nozzle, for use in a gas-operated spraying apparatus such as an airbrush, is disclosed. The nozzle locates concentrically within an air cap in the gas outlet of a spraying apparatus and cooperates with a tapered needle located in an axial passage thereof to seal the outlet of the nozzle. The needle is retractable in the nozzle to dispense a medium such as paint to be sprayed.
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