Interlocking liner for a casting shake-out unit

Details Interlocking liner for a casting shake-out unit Interlocking liner for a casting shake-out unit

B - Operations, Transporting

22

D

B22D 29/00 (2006.01) B22D 43/00 (2006.01)

Patent

CA 2320065

A tumbling unit such as a casting shake-out unit, rotary media drum, sand reclaimer or the like, is provided. The tumbling unit includes a cylindrical outer shell and a cylindrical inner shell. The inner liner is formed of a series of interfitting segments. The segments each have an inner surface, an outer surface, side edges, a front edge, a back edge, and rifling extending from the outer surface. The side edges of the segments have a groove formed therein which extends the length of said the edges. The grooves of neighboring segments define channel between the segments. The pin is received in the channel to urge the neighboring segments apart to form a tight interfit among the segments in a row of the liner. The retaining pin has a body having side surfaces, a top surface, and a bottom surface. A rib extends along each side surface which is shaped and sized to be received in the grooves of the neighboring segments. An arm extends upwardly from the pin body top surface. The pin arm conforms in shape and size to the side profile of the rifling, and is positioned on the pin body to be in alignment with the rifling of the adjacent segments, to form a continuous rifling on said liner.

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