POWDER COATING EQUIPMENT AND POWDER COATING METHOD

Powder coating apparatus is equipped with a shutter for opening and closing the space between an object to be coated and a screen electrode. First, a powder is supplied onto the screen electrode from a hopper while the shutter is closed. Next, a brush is slidingly rubbed against the surface of a pow...

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Bibliographic Details
Main Author KAWAOKA HIROKAZU
Format Patent
LanguageEnglish
Korean
Published 19.10.2011
Subjects
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
LINING MACHINES
NOZZLES
PERFORMING OPERATIONS
PRINTING
PRINTING MACHINES OR PRESSES
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:Powder coating apparatus is equipped with a shutter for opening and closing the space between an object to be coated and a screen electrode. First, a powder is supplied onto the screen electrode from a hopper while the shutter is closed. Next, a brush is slidingly rubbed against the surface of a powder layer while the shutter is closed. The powder is thereby uniformed on the screen electrode without being transferred to the object. Subsequently, a high voltage is applied between the screen electrode and a transfer electrode to form a static electric field, and the shutter is opened. Then, the brush is slidingly rubbed against the powder layer again, and the powder on the screen electrode is coated on the object.
Bibliography:Application Number: KR20117018787