METHOD AND DEVICE FOR FOAMING LIQUID SPRAYING USING DEFORMABLE CONTAINERS Russian patent published in 2004 - IPC

FIELD: spraying apparatus for discharge of liquid or other fluent materials. SUBSTANCE: device for liquid spraying by pressing on container comprises the first body, having water- impermeable connector. The first body has the first chamber in which air-liquid mixture is formed, at least one filter member located in channel for mixture spraying and valve means for air renewal into container. Filter member is used for foam creation. Device has the second body, which together with the first body forms the second chamber for receiving liquid, contained into container suction pipe in order to prevent liquid leakage during first discharge. EFFECT: maintenance of permanent quality during each spraying operation independently of liquid type, reduced cost, easiness of device production and assembling, providing of foam discharge at the time of first spraying operation regardless of container orientation (in direct or upturned position) during pressing thereof. 8 cl, 8 dwg