作者: Jean-Louis Gueret
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摘要: A dispenser for a fluid substance, esp. used in cosmetics or pharmaceuticals, consists of cap (1) which fits onto the container (2) and made with at least one outlet channel (8). The/each has system closes its outlet, form shutter (9a) is able to deform elastically interact seat (8e). The deforming self-closing valve opened by pressure passing through it but once stops. pressed towards support limits deformation. expels from can be various types, e.g. pump piston flexible bulb.