Heat-resistant Tube for Vertical Heat Treatment Equipment

FIG. 1 is a perspective view of a heat-resistant tube for vertical heat treatment equipment showing our new design according to a first embodiment;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof, a rear view being omitted since the rear view is identical to the right side view;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view of a heat-resistant tube for vertical heat treatment equipment showing our new design according to a second embodiment;

FIG. 8 is a front view thereof;

FIG. 9 is a rear view thereof;

FIG. 10 is a right side view thereof, a left side view being omitted since the left side view is identical to the right side view;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a perspective view of a heat-resistant tube for vertical heat treatment equipment showing our new design according to a third embodiment;

FIG. 14 is a front view thereof;

FIG. 15 is a rear view thereof;

FIG. 16 is a left side view thereof;

FIG. 17 is a right side view thereof;

FIG. 18 is a top view thereof;

FIG. 19 is a bottom view thereof;

FIG. 20 is a perspective view of a heat-resistant tube for vertical heat treatment equipment showing our new design according to a fourth embodiment;

FIG. 21 is a front view thereof;

FIG. 22 is a rear view thereof;

FIG. 23 is a left side view thereof;

FIG. 24 is a right side view thereof;

FIG. 25 is a top view thereof; and,

FIG. 26 is a bottom view thereof.