Spray device having a piezoelectric element, and use thereof...

Details Spray device having a piezoelectric element, and use thereof... Spray device having a piezoelectric element, and use thereof...

2007-03-13

2011-11-22

Kim, Christopher (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

C239S069000, C239S326000

Reexamination Certificate

active

08061629

ABSTRACT:
Spray device comprising a piezoelectric element, a sonotrode having a base coupled to the piezoelectric element, and a tube extending as far as a horn, a drive circuit for vibrating the piezoelectric element, and a feed device for bringing the product to be sprayed up to the front face of the horn. The sonotrode mainly vibrates in a mode parallel to the tube, the horn being dimensioned so as not to flex along the longitudinal axis, without flexing when the drive circuit vibrates the piezoelectric element. This spray device is applicable in cosmetology and in perfumery.

REFERENCES:
patent: 3904896 (1975-09-01), Guntersdorfer
patent: 4301093 (1981-11-01), Eck
patent: 4337896 (1982-07-01), Berger et al.
patent: 4877989 (1989-10-01), Drews et al.
patent: 4912357 (1990-03-01), Drews et al.
patent: 26 56 370 (1978-06-01), None
patent: 0 004 039 (1979-09-01), None
patent: 0 300 319 (1989-01-01), None
patent: 0 389 665 (1990-10-01), None
International Search Report; European Patent Office; Aug. 1, 2007; Form PCT/ISA/210.
French Search Report; European Patent Office; Nov. 22, 2006; Epo Form 1503.

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