Manufacture of cathode ray tubes

Claim 1

A PROCESS FOR ASSEMBLING A TRI-BEAM ELECTRON GUN STRUCTURE FOR A CATHODE RAY TUBE, INCLUDING THE STEPS OF, PROVIDING A FIRST ASSEMBLY OF BEAM CONTROL ELECTRODES, SUPPORTING SAID FIRST ASSEMBLY ON A MANDREL, SECURING A LOCATOR MEMBER ON SAID FIRST ASSEMBLY HAVING A FIRST INDEX APERTURE, PROVIDING A SECOND ASSEMBLY OF CONVERGENCE ELECTRODE MEANS, SUPPORTING SAID ELECTRODE MEANS ON A MANDREL, SAID ELECTRODE MEANS HAVING INDEX PROJECTIONS AND A SECOND INDEX APERTURE, SECURING SAID FIRST AND SECOND ASSEMBLIES TOGETHER WITH SAID FIRST ASSEMBLY POSITIONED BY SAID INDEX PROJECTIONS AND SAID FIRST AND SECOND ASSEMBLIES REFERENCED TO SAID FIRST AND SECOND INDEX APERTURES, PROVIDING A THIRD ASSEMBLY COMPRISING A BASE STEM AND CONNECTOR LEADS, SECURING SAID THIRD ASSEMBLY TO SAID FIRST ASSEMBLY WITH SAID FIRST ASSEMBLY BEING SUPPORTED BY SAID CONNECTOR LEADS AND BEING REFERENCED TO SAID FIRST INDEX APERTURE, AND SEALING SAID FIRST, SECOND AND THIRD ASSEMBLIES IN THE BULB OF THE CATHODE RAY TUBE WITH SAID ASSEMBLIES REFERENCED TO SAID CONNECTOR LEADS.