Clements et al., 1999 - Google Patents

Electrostatic powder coating of insulating surfaces using an alternating polarity internal corona gun

Clements et al., 1999

Document ID
1696523372979118860
Author
Clements J
Bair R
Publication year
Publication venue
IEEE Transactions on Industry Applications

External Links

Snippet

An internal-corona (IC) gun operated at 1-Hz alternating polarity (AP) was used in an attempt to powder coat insulating plastic plates without using conductive primers, metal backings or ion" backings." The IC gun was effective in charging the powder particles and …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/053—Arrangements for supplying power, e.g. charging power
    • B05B5/0533—Electrodes specially adapted therefor; Arrangements of electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B05D1/045—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field on non-conductive substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/047—Discharge apparatus, e.g. electrostatic spray guns using tribo-charging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation, flames

Similar Documents

Publication Publication Date Title
Bailey The science and technology of electrostatic powder spraying, transport and coating
RU2162375C2 (en) Process of induction of electrostatic charge on powders used for coating
RU2162374C2 (en) Apparatus for coating of substrates with powder particles with inductive charge
Poppe et al. Experiments on collisional grain charging of micron-sized preplanetary dust
US3991710A (en) Electrogasdynamic production line coating system
US6923979B2 (en) Method for depositing particles onto a substrate using an alternating electric field
MXPA97002463A (en) Apparatus for covering substrates with inductivame loaded powder resin particles
Domnick et al. The Simulation of Electrostatic Spray Painting Process with High‐Speed Rotary Bell Atomizers. Part II: External Charging
Mountain et al. Triboelectric charging of polymer powders in fluidization and transport processes
Wu Electrostatic charging and deposition of powder coatings
Adamiak Numerical modelling of tribo-charge powder coating systems
Banerjee et al. Adhesion of charged powders to a metal surface in the powder coating process
Pickard Remarks on the theory of electrophoretic deposition
Clements et al. Electrostatic powder coating of insulating surfaces using an alternating polarity internal corona gun
Meng et al. Influences of different powders on the characteristics of particle charging and deposition in powder coating processes
EP0697255A2 (en) Method and apparatus for electrostatic powder coating
Sugimoto et al. Formation of a charged droplets cloud and corona discharge between the cloud and a grounded electrode
Abdel-Salam Applications of high-voltage engineering in industry
Higashiyama et al. Electrical discharge occurring from a space charge cloud formed with charged particles
Kucerovsky et al. Imbalance of the charge on a carrier moving through a gaseous medium
Adamiak et al. Numerical simulation of the electric field distribution in tribo-powder coating of conducting cylindrical objects
Guskov Electrostatic charging and powder coating with porcelain enamels
Zouaghi et al. Time resolved measurement of dielectric particles velocity on standing wave electric conveyor using PTV technique
Biris et al. Parametric study of the Faraday cage effect of charged particles and its implications in the powder coating process
Ting Back ionisation in electrostatically depostied powder layers