to provide a lightweight , rust - free conveyor which is easy to install , remove , and repair . in a plastic conveyor belt , belt element pieces which have connecting holes opening widthwise are joined by communicating the connecting holes lengthwise and are disposed at both widthwise ends . a rod is inserted in a common hole formed at a joint for connection at a lengthwise end , and the respective belt element pieces are rotatably joined around rods to form an endless belt . rods are installed widthwise between the belt element pieces . a plastic conveyor belt is provided having plastic belt element pieces and rods composed of metallic cores and plastic sheaths , and a conveyor apparatus drives the plastic conveyor belt with a sprocket .