| 摘要 |
PROBLEM TO BE SOLVED: To provide a tray which can conform to bag bodies having different heights so that only a small number of trays are required, and in which the bag bodies are mounted on the tray when the bag bodies are subjected to a retort treatment. SOLUTION: Each of the trays 1 includes a gap forming member to form a gap between an upper tray and an adjoining lower tray when the trays 1 are stacked. The gap forming member comprises first gap forming members 31 and second gap forming members 32 which are disposed along the periphery of the tray 1, wherein the height of the member 31 differs from that of the member 32 and the number of the members 31 is equal to that of the members 32. And the gap formed between vertically adjacent trays 1, wherein the directions of the members 31 coincide with each other and the directions of the member 32 coincide with each other, differs from the gap, wherein the direction of the members 31 coincides with that of the members 32. |
