Patent ID: 7637303

Claim:
A method for conveying a sand mold, the method comprising: providing an accumulating conveyor including a first transfer conveyor in conveying combination with a second transfer conveyor, each of the first and second transfer conveyors comprising at least one transfer rail movable with respect to at least one fixed rail; moving the sand mold along the first transfer conveyor in a first direction; transferring the sand mold from the first transfer conveyor to the second transfer conveyor; and moving the sand mold along the second transfer conveyor in a second direction that is different than the first direction; wherein moving the sand mold along each of the first and second transfer conveyors comprises: lifting the sand mold off the at least one fixed rail with the transfer rail; moving the transfer rail and the lifted sand mold in a downstream direction; and lowering the lifted sand mold onto the at least one fixed rail.