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    • 10. 发明授权
    • Fluid substance dispensing device
    • US11801524B2
    • 2023-10-31
    • US17669667
    • 2022-02-11
    • Lumson S.p.A.
    • Matteo Moretti
    • B05B11/00B05B11/10
    • B05B11/1023B05B11/1001B05B11/1067
    • A device for dispensing a fluid substance includes a manually operated pump with a hollow stem movable counter to a spring, the hollow stem coupled with a piston which slides in a sealed manner inside a cup body to define a compression chamber coupled with a first valve element for the inlet of the fluid substance into the compression chamber fluidly coupled with a second valve element for the outlet of the fluid substance from the compression chamber, there being a dispensing button equipped with a dispensing nozzle mounted on the hollow stem, the dispensing button featuring at least one channel for supplying the fluid substance to the nozzle; the nozzle is formed of an essentially rigid body which is secured, in a sealed manner, into a seat in the dispenser button, the rigid body being coupled with a deformable body defining a dispensing port so that during dispensing, the deformable body—at least in the vicinity of the dispensing port—deforms and then returns to its non-deformed configuration thereafter.