Patent ID: 7661610

Claim:
An electrostatic coating apparatus comprising: a paint atomizer adapted to spray atomized paint particles toward a work piece, a housing member formed of an insulating material and holding said paint atomizer in position, a tubular cover member formed in cylindrical shape by an insulating material and arranged to enshroud outer surfaces of said housing member, a high voltage applicator adapted to electrify sprayed paint particles from said paint atomizer with a high voltage electrostatic charge, urging charged paint particles to fly toward and deposit on said work piece, an annular gap space of an annular shape in cross section defined by two insulating materials and provided between and around almost entire radially confronting areas of said housing member and said cover member, said annular gap space surrounding almost entire radially confronting areas of said housing member and cover member, and said cover member comprising a laminated film material including a semi-conducting film sandwiched between two insulating films.