The ornamental design for a transportcontainerlock, as shown and described.
FIG. 1 is a front perspective view of a transport container lock showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a rear perspective view thereof.
The broken lines in FIG. 1 show the environmental transport structure. Other broken lines illustrate unclaimed portions of the claimed design. None of the broken lines form part of the claimed design.