Barrel heater door
FIG. 1 is a front perspective view of a barrel heater  door showing my new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a cross sectional view taken on line  3--3 of FIG. 2; 
     FIG. 4 is a top plan view thereof 
     FIG. 5 is a left side elevational view thereof;  and 
     FIG. 6 is a right side elevational view thereof. 
     The broken line representation of a barrel heater in FIG. 1 is for purposes of illustration only.