Apparatus for applying ring-shaped markings to electric current conductors

Claim 1

APPARATUS FOR PROVIDING CONTINUOUS HIGH SPEED ANNULAR COLOR CODING OF A CONDUCTOR COMPRISING MEANS TO MOVE SAID CONDUCTOR ALONG A PREDETERMINED PATH, A TUBE MEMBER COAXIAL WITH SAID CONDUCTOR, SPRAY PRODUCING MEANS TO INTRODUCE PARTICLES OF COLORING MATTER INTO SAID TUBE AND SURROUNDING SAID CONDUCTOR, A PLURALITY OF TUBULAR SECTIONS SPACED APART A DISTANCE EQUAL TO THE WIDTH OF THE COLOR CODE, SAID TUBULAR SECTIONS BEING DISPOSED WITHIN SAID TUBE MEMBER AND SURROUNDING SAID CONDUCTOR TO MASK PORTIONS OF SAID CONDUCTOR NOT TO BE COLOR CODED, A PLURALITY OF ELECTRODES FOR CHARGING SAID PARTICLES AND MEANS TO PROVIDE A POTENTIAL DIFFERENCE BETWEEN SAID TUBE AND SAID CONDUCTOR FOR DEPOSITION OF SAID PARTICLES ON THE SURFACE OF SAID CONDUCTOR, SAID ELECTRODES BEING DISPOSED ON THE INSIDE SURFACE OF SAID TUBE MEMBER, EACH ELECTRODE COMPRISING A GROUP OF TAPERED MEMBERS ANNULARLY DISPOSED AND EACH HAVING CHANNELS RADIALLY DIRECTED TOWARDS SAID CONDUCTOR THROUGH WHICH SAID COLORED MATERIAL IS INTRODUCED WITHIN SAID TUBE MEMBER, EACH SAID ELECTRODE BEING DISPOSED ADJACENT A SPACE BETWEEN SAID TUBULAR SECTIONS.