| 摘要 |
A package is disclosed for the packaging and the preservation of fresh food, such as meat, sea products and the like, which tends to exude fluids favoring a rapid growth of bacterial flora which limits the selling deadline. The package is of the type which includes a tray upon which the fresh food product is placed, and a thermoretractable thin sheet of film material for overlapping the food product contained in the tray. The tray includes a relatively rigid and impermeable first container portion and a second container portion upon which the fresh food product rests. The second container portion is fitted in the first container portion, and includes apertures which allows for the passage of the fluid which may be exuded by the fresh food product. The second container portion rests on corrugations or ribs of the first container portion to define a desired number of closed chambers, characterized that in order to allow an isostatic rigidification of the first container portion, and a controlled collecting of the fluids exuded by the fresh food product into the chambers, the ribs are distributed according to at least one network of approximately parallel ribs. Each of the ribs extends at least along two directions so that each of the points of the rib is directed to resist a corresponding component of the peripheral stresses caused by the film material which overwraps the package.
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