R 408.16231 Blow molding.

Rule 6231. (1) A blow molding machine shall be equipped with a safety gate that is designed and constructed to prevent an employee from reaching into the point of operation when the gate is in a closed position. (2) A safety gate shall activate, at its final closing, at least 1 electrical control which shall be part of the electrical mold-closing circuit. Opening or removing the gate shall prevent further closing of the mold. (3) A safety gate shall also be directly interlocked with a hydraulic or pneumatic valve that controls mold closing or have a mechanical means which will prevent movement of the machine with the gate open or removed.