Electrostatic spraying device

Details Electrostatic spraying device Electrostatic spraying device

2004-02-09

2010-11-30

Tran, Len (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With fluid entrainment

C239S690000, C239S690100, C239S692000, C239S704000, C239S705000, C239S707000, C239S708000, C239S328000, C239S332000, C128S203120, C128S200140, C222S103000, C222S107000, C222S386500, C222S630000

Reexamination Certificate

active

07841549

ABSTRACT:
An electrostatic spraying device has a removable cartridge with a reservoir containing a volume of liquid compositions to be electrically sprayed. The device includes a nozzle for dispensing the liquid and an emitter electrode disposed adjacent to the nozzle for charging the liquid composition just being dispensed from the nozzle. A field electrode surrounds the reservoir in order to charge the liquid composition within the reservoir, thereby avoiding an occurrence of electric current which would deteriorate the composition remaining in the reservoir. The reservoir is at least partially made of deformable material such that the reservoir is capable of receiving pressure to deform and thus supply the liquid composition out of the reservoir. Thus, the reservoir can be designed into a simple and compact structure, thereby providing an increased liquid containing volume in relation to the bulk of the removable cartridge.

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Office Action for Japanese Application No. 200480041494.2, mailed Dec. 14, 2007.
The Examination Report Dated May 1, 2007 for Korean Patent Application No. 10-2006-7017335; Brief Translation is attached.

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