Hamburger roll
FIG. 1 is a perspective view of a roll showing my new design; 
     FIG. 2 is a sectional view taken on the line 2--2 of FIG. 1; 
     FIG. 3 is a sectional view taken on the line 3--3 of FIG. 1 on a reduced scale; and 
     FIG. 4 is a top plan view of my new design on a reduced scale.