CORONA ROLLER COMPRISING A CYLINDRICAL BASE BODY AND A DIELECTRIC ROLLER COVER, AND METHOD FOR PRODUCING SUCH A CORONA ROLLER

World Intellectual Property Organization Patent

APP PUB NO WO-2009121756-A1
SERIAL NO

PCTEP2009053448

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Abstract

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Corona roller comprising a cylindrical base body and a roller cover of dielectric material, and method for producing it. The roller cover includes a layer of thermoplastic material, e. g. polyamide, applied onto the outer surface of the base body. Solid (powder) particles having electrically insulating characteristics are imbedded in the material matrix of said layer in the vicinity of the surface thereof in a form-locking manner such that merely a partial region of said particles protrudes from said inner layer. A hard, wear- and corrosion- resistant surface is formed at the outer side of the layer of plastic material, said hard, wear- and corrosion- resistant surface likewise having electrically insulating characteristics.

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Patent Owner(s)

Patent OwnerAddress
COATEC GES FUER OBERFLAECHENVEDEGERMANY

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Inventor(s)

Inventor Name Address
JOHNER GERHARD 63751 GELNHAUSEN
HEUSER CLAUS 63755 ALZENAU
KIRST MARKUS 64572 BÜTTELBORN
DUDAZY CHRISTIAN 63486 BRUCHKÖBEL

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