PURPOSE: To provide carrying in, assortment and carrying out very rapidly by forming case flow racks providing a carry means for carrying in and carrying out in a plurality of steps and connecting the carry means of the respective steps with a spiral carry means for exclusively use for carrying in and exclusively use for carrying out.

CONSTITUTION: Two storing parts are mounted in a device and a plurality of steps of case flow racks 1, 11 forming a plurality of rows of a plurality of rows of storing sections are arranged on slanting face of the respective storing parts. A delivered product is loaded on carrying passages 22 and 23 by an installing station 21 and carried by spiral conveyers 4 and 14 to upward successively. Then the product is moved to carrying in conveyers 2 and 12 of a step in a section to be stored and the product is stored in a commercial storing section by action of a gate when it reaches a position in the storing section. A product to be carried out is taken out by carrying out conveyers 3, 13 and shipped by a shipping station 27 through bar code readers 6 and 16 and label printing/putting machines 7 and 17.