Gun for atomization and electrostatic spraying of materials

Claim 1

A SPRAY GUN FOR CENTRIFUGALLY AND ELECTROSTATICALLY ATOMIZING AND SPRAYING A LIQUID COATING MATERIAL ON TO AN OBJECT TO BE COATED, SAID GUN COMPRISING A HEAD HAVING AN INNER ROTATABLE ELECTRICALLY CONDUCTING MEMBER FOR EFFECTING AN INITIAL ATOMIZATION OF THE COATING MATERIAL BY MEANS OF CENTRIFUGAL FORCE AND INCLUDING AN EDGE BY MEANS OF WHICH THE INITIALLY ATOMIZED COATING MATERIAL LEAVES SAID INNER MEMBER, AN OUTER ELECTROSTATIC ATOMIZING AND SPRAYING MEMBER TO WHICH THE COATING MATERIAL LEAVING THE EDGE OF THE INNER MEMBER IS ATTRACTED AND INCLUDING AN EDGE WHICH IS RADIALLY SPACED FROM THE EDGE OF THE INNER ROTATABLE MEMBER AND FROM WHICH THE ELECTROSTATICALLY ATOMIZED PARTICLES OF COATING MATERIAL ARE DIRECTED ON TO THE OBJECT TO BE SPRAY-COATED, AN INSULATING MEMBER FOR COAXIALLY AND MECHANICALLY INTERCONNECTING SAID INNER AND SAID OUTER MEMBERS, MEANS FOR APPLYING A DIRECT HIGH POTENTIAL TO SAID OUTER ELECTROSTATIC MEMBER, MEANS FOR FEEDING LIQUID COVERING MATERIAL TO SAID INNER MEMBER, AND AN ELECTRIC MOTOR FIXED TO SAID GUN FOR ROTATING AT LEAST THE INNER MEMBER OF SAID HEAD.