| 摘要 |
A device for packaging and dispensing a substance in liquid, gel, or paste form, the device being of the type comprising a receptacle for containing said substance and a dispensing head provided with an orifice for dispensing the substance and with a shutter that is suitable for closing said orifice when the substance is not being dispensed, and suitable for opening under the effect of pressure in the substance upstream, wherein the dispensing head includes at least two portions which are made as a single piece by being molded with a third portion and each of which is connected thereto by a respective hinge-forming bridge of material, one of the two portions connected to the third portion also carrying said shutter.
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