LIQUID COOLING TYPE CATHODE-RAY TUBE FOR A PROJECTOR

摘要

A LIQUID COOLING TYPE CATHODE-RAY TUBE FOR A PROJECTOR COMPRISING A COUPLER (43) MOUNTED ON THE FRONT SURFACE (42A) OF A CATHODE-RAY TUBE BODY (42), WHICH COUPLER SERVES AS A COOLING LIQUID SEALING MEMBER AND WHICH IS SEALED WITH A COOLING LIQUID (46) THEREIN, THE COUPLER (43) HAVING A LIQUID FILL HOLE (53) AND A DIAPHRAGM (51) AS A PRESSURE REGULATING VALVE ON THE FRONT SURFACE THEREOF, AND ALL OF THE MOUNTING BORES PROVIDED THROUGH THE COUPLER BEING FORMED IN THE TUBULAR AXIS DIRECTION OF THE CATHODE-RAY TUBE BODY (42). (FIGURE 7)