Circular heater lamp.

摘要

The invention relates to a circular heater lamp including a curved bulb the curved main body portion of which houses a cylindrical filament (5). Each end of the filament is connected to a respective plug member housed in a respective end portion of the bulb, each end portion having a radius of curvature which differs to that of the curved main body portion. Each of the plug members is formed with a male or female conical wound section 4 which engages the inside or outside of the filament (5). <IMAGE>