The ornamental design for a conveyorbelt, substantially as shown and described.
FIG. 1 is a top perspective view of a conveyor belt showing my new design,
it being understood that the belt has been broken away near one end to
indicate intermediate length;
FIG. 2 is an enlarged end elevational view thereof;
FIG. 3 is a fragmentary side elevational view thereof; and
FIG. 4 is a fragmentary bottom plan view thereof on a reduced scale.