Multi-part cathode-ray cone

Claim 1

A RIM PART OF METAL CONSTRUCTION FOR CARRYING A RELATIVELY LARGE RECTANGULAR GLASS FACE PLATE OF A MULTI-PART CATHODE RAY TUBE ENVELOPE THAT IS SUITABLE FOR COLOR TELEVISION USAGE WHICH COMPRISES, AN OPEN-END SIDE WALL OF ROUNDED RECTANGULAR SHAPE HAVING AN IN-TURNED CONNECTOR FLANGE AT ITS BACK END THAT DEFINES AT LEST A 90* INCLUDED ANGLE WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID SIDE ALL, A SURMOUNTING LIP-FLANGE EXTENDING FROM THE FRONT END OF SAID SIDE WALL FOR RECEIVING THE GLASS FACE PLATE, SAID LIP FLANGE HAVING A TRANSVERSE FLANGE PORTION THAT PROJECTS OUTWARDLY AND INCLINES BACKWARDLY FROM THE FORWARD END OF SAID SIDE WALL, SAID LIP FLANGE HAVING A FORWARDLY-EXTENDING AND BACKWARDLY-SHAPED END FLANGE PORTION CONNECTED TO AND PROJECTING FROM THE OUTER EXTREMITY OF SAID TRANSVERSE FLANGE PORTION, SAID TRANSVERSE AND END FLANGE PORTIONS DEFINING A DUAL ANGULAR SECTION THAT SLOPES AWAY FROM AND PROJECTS OUTWARDLY FROM SAID SIDE WALL, AND SAID SIDE WALL AND SAID CONNECTOR FLANGE AND SAID LIP FLANGE HAVING A SUBSTANTIALLY UNIFORM WALL THICKNESS THROUGHOUT.