FIELD: nozzles for use in sealed containers or in devices for metering and spraying gas or liquid as aerosol. SUBSTANCE: nozzle includes pressure button that may be pressed by necessary fashion for driving cone member inserted to valve and simultaneously at applying pressure to nozzle may realize desired throttling of gas or liquid flow, or it may completely close product in intermediate chamber of constant or controlled volume for providing possibility of emitting discrete dozes of product. EFFECT: improved design. 4 cl, 6 dwg
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