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1. WO1996007484 - ELECTROSTATIC SPRAYING DEVICE

Publication Number WO/1996/007484
Publication Date 14.03.1996
International Application No. PCT/GB1995/002108
International Filing Date 06.09.1995
Chapter 2 Demand Filed 04.04.1996
IPC
B05B 5/025 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
5Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
025Discharge apparatus, e.g. electrostatic spray guns
B05B 5/16 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
5Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
16Arrangements for supplying liquids or other fluent material
CPC
A01M 1/205
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
MCATCHING, TRAPPING OR SCARING OF ANIMALS
1Stationary means for catching or killing insects
20Poisoning, narcotising, or burning insects
2022Poisoning or narcotising insects by vaporising an insecticide
2027without heating
2044Holders or dispensers for liquid insecticide, e.g. using wicks
205using vibrations, e.g. ultrasonic or piezoelectric atomizers
A61L 9/145
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
9Disinfection, sterilisation or deodorisation of air
14using sprayed or atomised substances ; including air-liquid contact processes
145air-liquid contact processes, e.g. scrubbing
B05B 5/0255
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
5Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
025Discharge apparatus, e.g. electrostatic spray guns
0255spraying and depositing by electrostatic forces only
B05B 5/1691
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
5Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
16Arrangements for supplying liquids or other fluent material
1691Apparatus to be carried on or by a person or with a container fixed to the discharge device
Applicants
  • RECKITT & COLMAN PRODUCTS LIMITED [GB]/[GB] (AllExceptUS)
  • IMPERIAL CHEMICAL INDUSTRIES PLC [GB]/[GB] (AllExceptUS)
  • CORNELIUS, Gay, Joyce [GB]/[GB] (UsOnly)
  • NOAKES, Timothy, James [GB]/[GB] (UsOnly)
  • JEFFERIES, Andrew [GB]/[GB] (UsOnly)
  • GREEN, Michael, Leslie [GB]/[GB] (UsOnly)
  • PRENDERGAST, Maurice, Joseph [GB]/[GB] (UsOnly)
Inventors
  • CORNELIUS, Gay, Joyce
  • NOAKES, Timothy, James
  • JEFFERIES, Andrew
  • GREEN, Michael, Leslie
  • PRENDERGAST, Maurice, Joseph
Agents
  • BOULT WADE TENNANT
Priority Data
9418039.507.09.1994GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ELECTROSTATIC SPRAYING DEVICE
(FR) DISPOSITIF DE PULVERISATION ELECTROSTATIQUE
Abstract
(EN)
An electrostatic spraying device for spraying liquids comprises a hollow capillary structure (13) having a convoluted inner surface one end of which contacts a reservoir (12) of an electrostatically sprayable liquid preferably having a viscosity of from 1 to 20 x 10-6 m2/s and a volume resistivity of from 2.5 x 106 to 5 x 108 ohm cm, the other end of which terminates in an atomisation tip (14), and means (17) for applying high voltage to the liquid in order to cause the liquid at the atomisation tip (14) to break up into a plurality of electrostatically charged droplets. Cartridges for use in the electrostatic spraying device are also described.
(FR)
Un dispositif de pulvérisation électrostatique servant à pulvériser des liquides comprend une structure capillaire creuse (13) possédant une surface interne en spirale dont une extrémité vient en contact avec un réservoir (12) de liquide, ce dernier pouvant être pulvérisé électrostatiquement et ayant une viscosité de préférence comprise entre 1 et 20 x 10-6 m2/s ainsi qu'une résistivité volumique comprise entre 2,5 x 106 et 5 x 108 ohm cm, et dont l'autre extrémité se termine par un embout de pulvérisation (14), et un élément (17) servant à appliquer une forte tension au liquide afin que celui-ci soit pulvérisé, au niveau de l'embout de pulvérisation (14), sous la forme d'une pluralité de gouttelettes chargées électrostatiquement. L'invention se rapporte également à des cartouches s'utilisant dans le dispositif de pulvérisation électrostatique.
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