| 摘要 |
The invention relates to a device which is used for the non-vented dispensing of liquid products from a container (R) comprising a mobile base (F), an exhaust conduit (C) and a push element which co-operates with a piston and a return spring (S). The invention is characterised in that the device comprises a sealing and dosing bush (1) bearing a sealing needle valve (2) which can move in translation in a discharge channel (12) in the bush, said needle valve being connected by means of a drive link (3) to an axial guide rod (4) which can slide in the exhaust conduit (C) of the container that is connected to the channel by pressing on the bush (1) and compressing the spring (S). ® KIPO & WIPO 2007
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