Patent Publication Number: US-D689184-S

Title: Plug for use at an end of a tube

Description:
FIG. 1  is a perspective view of the plug for use at an end of a tube; 
         FIG. 2  is a front view thereof; 
         FIG. 3  is a top plan view thereof; 
         FIG. 4  is a right side view thereof; 
         FIG. 5  is a left side view thereof; 
         FIG. 6  is an enlarged cross-sectional view along line  6 - 6  of  FIG. 2 ; 
         FIG. 7  is an enlarged cross-sectional view along line  7 - 7  of  FIG. 2 ; 
         FIG. 8  is an enlarged cross-sectional view along line  8 - 8  of  FIG. 3 ; 
         FIG. 9  is a reference view of the plug for use at an end of a tube together with a heat exchanger pipe for a steam generator; and, 
         FIG. 10  is a reference view of plugs located in ends of tubes of heat exchanger pipes for a steam generator, a tube support plate, and a tube plate. 
       The broken lines in the drawings are included to show use and environment and form no part of the claimed design.