| 摘要 |
The invention relates to a rectangular food container with double sealing structure comprises: a rectangular container body having an upward opening, a periphery of the upward opening outward folded to from a lower U-shaped body and the lower U-shaped body having an inner side surface forming a first sealing groove and an outer side surface forming a second sealing groove; and a rectangular cover having a downward opening, a periphery of the downward opening having an upper U-shaped body for fitting to each other, the upper U-shaped body having an inner side surface forming a third sealing groove and an outer side surface forming a fourth sealing groove for forming a double sealing structure of the inner side and outer side surfaces of the upper U-shaped body and lower U-shaped body.
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