Pipe coupling
FIG. 1 is a perspective view taken from the top, front and right side of a pipe coupling showing my new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a right side elevational view thereof; 
     FIG. 5 is a left side elevational view thereof; 
     FIG. 6 is a rear elevational view thereof; 
     FIG. 7 is a bottom plan view thereof; 
     FIG. 8 is a perspective view taken from the top, front and right side of a socket portion thereof; 
     FIG. 9 is a front elevational view of FIG. 8; 
     FIG. 10 is a top plan view of FIG. 8; 
     FIG. 11 is a right side elevational view of FIG. 8; 
     FIG. 12 is a left side elevational view of FIG. 8; 
     FIG. 13 is a rear elevational view of FIG. 8; 
     FIG. 14 is a bottom plan view of FIG. 8; 
     FIG. 15 is a perspective view taken from the top, back and right side of a plug portion thereof; 
     FIG. 16 is a front elevational view of FIG. 15, the top, the bottom and the rear being a mirror image of the front shown; 
     FIG. 17 is a left side elevational view of FIG. 15; and, 
     FIG. 18 is a right side elevational view of FIG. 15.