CA2282081A1 - Packaging and cabinet for displaying perishable goods - Google Patents

Abstract

Packagings (or boxes) and refrigerated cabinets containing same for the transport, storage and point-of-sale display of perishable products, e.g. foods, pharmaceuticals such as vaccines, veterinary products or photographic materials such as films, are disclosed. The packaging for perishable products is essentially made of paper, cardboard or plastic and comprises an air inlet (12), an air outlet (13), an air circulation duct or guide (17, 18), and a mechanical linkage to an air ventilation unit (2). The air inlet and the air outlet are provided in one or more side surfaces (14, 20, 22, 44, 45, 46, 47) or top surfaces (15, 58) of the packaging.

Description

Packaging and display cabinet for perishable products.
The present invention relates to packaging (or cases) and refrigerated furniture incorporating the packaging, allowing transport, storage and exhibition, in particular at a point of sale, perishable products such as food, pharmaceuticals such as vaccines, veterinary products or photographic such as film, in particular.
The technical sector of the invention is that of the manufacture of 1o refrigerated furniture.
It is known by international application WO 94/17698 (RENARD), a demountable refrigerated unit that includes means guiding and circulating fresh air, and distribution means fresh air to product display plans or shelves; the furniture has cladding panels made of a material such only cardboard, which covering is part of a mounted superstructure removable on a base which includes air cooling means and dynamic air circulation, i.e. in particular a heat exchanger and at least one fan.
2o The present invention aims to provide furniture improved refrigerated.
We also know, from patent application EP 88107291 (GERVAIS DANONE) an article presentation container in front be kept at a low temperature in sales premises; the container is formed like a folded cardboard with wall elements, and has a receptacle portion for a removable cooling; the receptacle part is made like a gangway-shaped footbridge supporting the group of cooling, which can be placed on top of the open container;
the evaporator of the cooling group is arranged on the face lower gateway; the container consists of a composite of corrugated board and thermally insulating material such as synthetic foam.

2 The disadvantage of the containers and devices described in this document is that they are unable to allow fresh air circulation to inside the container and therefore do not allow keep exposed at a point of sale where the ambient temperature is for example around 15 ° C to 35 ° C, perishable products in front of be kept at a low temperature, i.e. generally at a temperature in the range of -20 ° C to + 5 ° C.
Furthermore, the relative disadvantage of the refrigerated cabinets described in the above-mentioned international application lies in the necessity, lo to place the product display structure on the base with the air cooling unit, to lift this structure above the base, i.e. at a height that can reach several tens of centimeters above the ground, and the position and then rest it on this base with positioning specific.
This drawback becomes particularly important when the structure is used as transport packaging for the products in front be exposed, and is therefore filled with said products when must be placed on the base containing the cooling unit 2o of air and ventilation; due to the mass of the structure filled with products, which can for example be around a hundred kilos approximately, this manipulation requires in some cases the use of a motorized handling equipment, the bulk of which may be incompatible with the floor space available in certain stores, and whose conduct can only be carried out by persons specially trained for this purpose; in addition, the need to raise the packaging filled with products can be the cause of accidents, in case of fall, and / or due to the high mass.
The object of the present invention is to remedy the drawbacks mentioned above.
The solution to the problem is to provide packaging for perishable products such as food, pharmaceutical (vaccines in particular), veterinary or photographic T_ _ ._... ~~ r WO 97/30910 PCT / F'R97 / 00300

3 (especially film), which includes for example a box essentially consisting of paper, cardboard or plastic, which includes:
- an air inlet opening, - an air outlet opening, - an air circulation guide or duct, - a mechanical connection with an air ventilation unit, and wherein said air inlet and outlet openings are arranged on one or more of the side faces (or walls) or 1o superior of the case (and / or the packaging).
According to a preferred embodiment, the invention provides a packaging for perishable products, which includes a form box prismatic, with horizontal base and essentially constituted by corrugated board and / or plastic, at least part of which at least one lateral or upper face delimits an area (or opening) of access to products, which includes - an air inlet opening, - an air outlet opening, - an air circulation duct, which has at one end 2o one of said air inlet or outlet openings, which comprises at minus one bend and whose cross section is polygonal, - a mechanical connection means (and preferably aeraulic) or connection with an air ventilation group or duct, which means mechanical link is removable and actuable and unlockable manually or using a portable tool, which means of connection includes for example a strap, a clamp, a hook or a lock, and wherein said air inlet and outlet openings are arranged on one or more of the vertical side faces, or upper (horizontal) of the body.
3o According to another preferred embodiment, the invention provides a packaging or container of perishable products, which includes (and essentially consists of) one or more boxes (or body elements such as stacked tray, crate or tray

4 or stacked and forming a crate), which is prismatic in shape based horizontal, preferably of rectangular parallelepiped shape, and essentially consisting of paper, cardboard or plastic, of which at least part of at least one lateral or upper face is (likely to be) open and delimits an area or face for access to products contained in the packaging, which includes, integrated into the checkout - at least a first entry opening (or zone or passage) air in the volume or space delimited by the body, - at least one second exit opening (or zone or passage) air from the volume or space delimited by the body, - at least a first circulation guide (or conduit or channel) or air distribution, which has at one end said first air inlet opening, the cross section of which is rectangular and flattened, - at least a second circulation guide (or conduit or channel) or return air, which comprises at one end said second air outlet opening, - at least one mechanical connection means and preferably ventilation, with a group (or unit or element) of ventilation and air cooling, and wherein said air inlet and outlet openings are arranged on one or more of the vertical side faces (or walls) or higher (for example horizontal) of the body, and in which one at least one of said air distribution and return ducts comprises (or constitutes) at least one elbow, which openings and which conduits have a large cross section.
The packaging and / or the box according to the invention is able to rest on 1st floor, possibly through one or more thin supports such as a pallet, and is able to be joined and temporarily joined mechanically with a ventilation and air cooling unit (which is placed for example on the floor next to the packaging), to keep the products exposed in the packaging at a TT _T.

S
temperature significantly below room temperature, preferably lower than this by at least 10 to 30 degrees.
The invention also provides a packaging or case of preferably open on top and parallelepipedic in shape rectangle, mainly consisting of paper walls, corrugated cardboard and / or plastic, which box is delimited by a bottom horizontal and at least four vertical (side) external walls, which further comprises a partition pierced with at least one hole or perforated, substantially vertical, extending for example over the entire height of the the box, which box also has a volume or delimited conduit in particular by said partition pierced and by a pierced part or perforated with one of said vertical side walls.
According to other preferred embodiments of the invention - the packaging includes an air inlet opening and a air outlet opening which are arranged on the same face or wall vertical (external) side of the package, and has at least two fastening elements (male or female) which are able to cooperate with complementary elements (respectively female or male) attachment provided on a ventilation and cooling unit 2o of air;
- Said packaging comprises one or two bent conduits, of section flattened transverse and / or longitudinal rectangular;
said packaging comprises two perforated and / or perforated partitions, vertical, parallel to each other and to two external side walls of said 2s packaging, which partitions preferably include at least one large opening or large section; these openings are facing, are able to allow the creation and circulation of a air curtain circulating substantially tangentially with respect to the opening or access area to the products, provided in the packaging, for 30 limit the supply of outside air (hot) through said opening or zone access; for example, the section of the opening provided in each partition is at least equal to one tenth of the cross section of said air circulation ducts, and is for example of the order of IO to 100 z cm;
- Said packaging comprises a base or thin pallet which is by example essentially consisting of cleats and / or wooden boards, assembled together by stapling, nailing or gluing, and delimiting a free space extending (in height) over a substantial part (preferably corresponding to at least 60%) of the height of the base.
The invention also provides a storage system and exhibition of perishable products which includes - a ventilation and air cooling unit, - a duct for blowing cooled air delivered by said unit, - an air intake duct intended for said unit, - one, usually several, crate or packaging, each said flexible or rigid supply and return ducts being equipped at one of its two ends, mechanical connection means with said case or packaging, making it possible to ensure a connection or substantially airtight connection with said body or packaging, through said air inlet and outlet openings in the lateral or upper external walls thereof.
The invention also provides a refrigerated display cabinet.
of perishable products, which includes - a ventilation and air cooling unit, - one or more cases or packaging which are attached to (this is i.e. arranged against or along) said ventilation unit and air cooling, by at least part of one of their faces or side or top walls, preferably vertical, - mechanical connection means for securing temporarily said unit to said one or more cases or packages, - air connection means to ensure a connection 3o substantially sealed between said unit and said cases or packaging.
According to a preferred embodiment, the unit of cooling of the cabinet is either mobile mounted on casters or on sliding pads, either suitable to be placed on a base or pallet T t common to said packaging or cases and to said unit cooling.
The packaging according to the invention can be placed directly on the ground, and connected to a refrigeration unit through the possible intermediary of s ducts for transporting fresh air and recycled air; packaging according to the invention can also be arranged on a base such as a low pallet, through which they rest also on the ground; the mechanical and aeraulic connection means, allowing air circulation from the cooling unit to packaging and vice versa, as well as the means of connection mechanical, are simplified when the inlet openings are arranged and air outlet on a single external side wall, preferably vertical, packages according to the invention; elements of mechanical connection or fixing allows to maintain a relative positioning of the packaging in relation to the group of air cooling during the entire period of use of the packaging for the display of perishable products at the point of sale.
The use of flat walls arranged opposite each other others for delimiting all or part of the air circulation ducts 2o provided inside the packaging according to the invention, makes it possible to obtain conduits of rectangular section which are generally flattened (i.e. whose rectangular section has a very long significantly greater than its width), and which are generally bent; the ducts allow an efficient distribution of air in the entire volume (inside the packaging) of product storage;
the invention makes it possible to obtain packaging at low cost thanks to simple manufacturing processes, especially in the case where the packaging is made of cardboard, by folding sides of cardboard sides; by elsewhere, the volume or dead space corresponding to the size of 3o these conduits inside the packaging can be minimized and therefore allows an essential part of the packaging volume to be used for storage and display of products; preferably the packaging has partitions which are parallel to each other, allowing, thanks to the perforations and openings with which they are provided, to ensure distributed air distribution inside the entire storage volume products on the one hand, and on the other hand ensuring the creation of a curtain of air near the open part of the packaging allowing access to products, which provides thermal performance sufficient to store perishable products at temperatures around 0 ° C when the ambient outside temperature is example of the order of 30 ° C, despite thermal insulation of the walls of the packaging which is weak.
1o The invention provides refrigerated furniture that can be produced â very low costs; moreover, when the refrigerated cabinet is either placed on a pallet or base common to the body or to a stack of crates, either placed on casters, bringing the group of cooling of the box (es) is simplified, and can be carried out i5 manually very simply; temporary means of connection on the one hand, ensure the relative positioning of the cooling and packaging by mechanical means, and on the other hand the connection of conduits (internal and external to the packaging) of air circulation thanks to the connecting means 20 aeraulics.
The many advantages provided by the invention will be better understood through the following description which refers to the drawings attached, which illustrate without limiting the modes preferential embodiments of the invention.
25 Unless otherwise indicated, identical marks on the different figures designate identical or similar elements.
Figure 1 illustrates in schematic perspective view a mode of embodiment of the invention in which a cooling and air ventilation can be connected to several structures 30 exhibition of products at the point of sale.
Figures 2 and 3 illustrate a second alternative embodiment of the invention, in which a group or unit of ventilation and air cooling is temporarily connected to a structure exposure of food products by joining these two elements arranged on a common support such as a pallet; the exhibition structure has an opening or access area to products, which is frontal (substantially vertical).
Figure 2 is a schematic perspective view of the part front of a food display cabinet; Figure 3 is a sectional view along III / III of Figure 2 and therefore illustrates in view cuts through a vertical transverse plane a refrigerated cabinet constituted by the temporary assembly of a group and an exhibition structure.
lo Figure 4 illustrates an embodiment of a box or packaging, for example made of corrugated cardboard comprising at least two superimposed corrugations or corrugated layers, conforming to the invention, in schematic perspective view.
Figure 5 illustrates in schematic perspective a piece of furniture refrigerated, essentially consisting of two superimposed modules or exhibition boxes for perishable products, each box being similar to that shown in Figure 4; product display structure as well constituted by the stacking of the boxes is suitable for being joined and connected to a group of ventilation and air cooling, which is represented 2o in this figure, arranged at a distance from the packaging.
Figure 6 is a view along VI / VI of Figure 5 and illustrates in sectional view through a vertical plane of a product display unit food according to the invention.
With reference to Figures 1, 3 and 5, group 2 or unit of ventilation and air cooling has a box which is cylindrical shape with vertical axis 3 in FIG. 1 and which is of shape rectangular parallelepiped in Figures 3 and 5, which box has a thermally insulating partition (marked 40 in Figure 2) separating the box into two compartments; in one of the compartments, 3o said "hot" compartment (marked 64 figure 5), are arranged a compressor 39 able to compress a refrigerant, a condenser 37 able to allow the evacuation of heat and a fan 38 able to cause ambient air circulation (admitted inside the box and driven back outside of it by openings not shown), and circulating this ambient air in contact with the exchanger 37 to removing said heat; the second compartment of the unit casing 2, known as the “cold” compartment (marked 65, FIG. 5), has a

5 evaporator 36 and a fan 35; fan 35 draws in air entering this part of the air cooling box thanks to an opening 11 provided in the front wall 41 of the box, and passes this air on the evaporator 36 to cause its cooling; the air is then expelled from the group box through a second opening 10 10 provided in the wall 41 thereof, as shown in FIGS. 3 and 5.
The main elements 36, 37, 39 constituting the circuit refrigeration are in known manner connected by pipes (not shown) circulation of the refrigerant used, and do not require no special description.
In the embodiment of the invention illustrated in FIG. 1, the air cold produced by unit 2 of the exposure system 1 is delivered to structures 6, 7 of exposure of perishable products by sheaths 4 of supply air, for example rigid and of rectangular section, provided at their free or peripheral end of an opening 10 capable of being attached to an opening 12 provided in an external upper wall 15 of the structure 6, 7 of exposure of perishable products.
The structures 6, 7, for example identical, are each essentially constituted by a box of parallelepiped shape rectangle, the largest dimension of which is for example the height, which rests on the ground (marked 26 figure 3) via a base 8, 9 such as a wooden pallet.
The product display structure has a box essentially constituted by, in addition to the external upper wall 15, a vertical rear side wall 14, two vertical left side walls and straight 22, and a front vertical side wall 20A, 20B, which is interrupted in its central part to delimit an opening 21 of large dimension allowing the consumer to have access to products exhibited in the volume delimited by this structure.
i. .. _ ._ T r As particularly illustrated on the left side of the figure 1, the product display case includes for example three trays or shelves 23 superimposed substantially horizontal; in part upper of this structure is provided an inner upper wall 16, for example horizontal and parallel to the wall 15, which delimits with the latter an air inlet duct 17 which comprises at one end said opening 12 of identical or similar shape to the opening 10 provided for the end of the sheath 4.
The fresh air delivered by the cooling unit 2 circulates according to the l0 arrow 50 in the sheath 4 and in the inlet duct 17 of the structure of product exposure, to create at the exit of this conduit 17, a vertical air curtain 51 descending substantially tangentially to the opening or access zone 21 to the products; fresh air resulting from this air curtain flow along opening 21, partly penetrates bottom of this structure in an opening provided between the panel 23 lower and lower part 20B of the front face of the structure, for circulate in an air outlet duct 18 delimited by the panel horizontal bottom 19 of the structure and by the lower panel 23, support for exposed products, as indicated by arrow 52.
The fresh air circulating in this outlet duct 18 is sucked out of structure 6, 7 of product display, thanks to an opening 13 in outlet provided in the lower part of the rear vertical wall 14 of this structure, which coincides with an orifice 11 at the end of a sheath 5 of recovery extending between the lower rear part of the structure exposure 6, 7 and a hole provided in the lower part of the box delimiting the air cooling module 2; sheath 5 is by flexible example linked to structure 6, 7 of product display, for example a fitting 24.
In an alternative embodiment of the exhibition structures of 3o products connected to an air cooling unit 2, such as shown in Figure 1, each of the exposure structures 6, 7 can be for example constituted by a stacking of several boxes rectangular like that shown in Figure 4 and allowing WO 9'7 / 30910 PCT / FR97 / 00300 intake, fresh air circulation inside the body and its exhaust, using the means described below.
With reference to Figures 2 and 3, the refrigerated cabinet according to the invention comprises, as described above, group 2 of air cooling which is for example provided in the rear part of the product display structure 6, similar to that already described by reference to Figure 1; group 2 is for example housed between flanks or walls 28 extending the left and right side walls 22 of the product display structure 6, which extensions 28 are by l0 example connected by a rear wall 29 delimiting with the rear wall 14 of the product display structure, a section pocket rectangular inside which group 2 is housed air cooling; air cooling group 2 is supplied in electrical energy by a cable 25 shown in Figure 2; Ie group 2 and product display structure 6 are mounted on a support common 8 such as a low-rise wooden pallet, delimiting a central space 27 arranged under the product display structure 6 allowing the passage of forks of a motorized handling machine or not, for the displacement of the assembly thus formed.
With particular reference to FIGS. 3 and 5, when Ie group 2 is attached to product display structure 6, port 10 fresh air outlet of group 2 is arranged opposite the orifice 12 ( orifices 12 superimposed in the case of FIG. 5) inlet of fresh air into the inlet conduit 17 provided inside the structure 6; in this position, the fresh air intake opening 1I provided in the wall 41 of the box of group 2, is also arranged opposite the orifice I3 (of the i3 orifices superimposed in the case of figure 5) fresh air outlet from air outlet duct 18 provided in the lower part of the structure 6.
The air inlet duct 17 in the structure comprises a first bend 32A in the vicinity of entry 12, as shown schematically by the arrow 50 illustrating the air circulation in this leads; the conduit 17 then comprises a second bend 32B in rear upper part of structure 6, and includes a third _.

WO 97! 30910 PCTIFR97 / 00300 bend 32C in the upper front part of the structure 6, at the outlet from which the air circulation leaving the duct 17 flows according to the arrows 51, forming an air curtain in front of the opening 21 allowing access to the products and provided in the wall 20A, 20B before the s product display structure 6.
In FIG. 3 are shown schematically products 31, resting on trays or shelves 23 forming part of the structure 6 of exposure.
The plate 23 provided in the lower part of the structure 6 is provided with a lo or more orifices 34 authorizing the admission of air into the duct 18 which is provided with an elbow 33 in the vicinity of this inlet orifice 34 and allows the transport of recycled air to group 2 by through said orifices 13, 11, placed in correspondence one of the other ; air tightness means (synthetic foam gasket) 15 42 are provided around said orifices 10, 11, 12, 13 on the external part of the rear wall 14 of the structure 6 and / or of the front wall 41 of the air cooling module 2.
Thanks to the presence of the curtain of fresh air 51 circulating along the opening 21 for access to the products, the entire volume 30 delimited 2o by the walls 14, 15, 20, in particular of the structure 6 of exposure of products, can be kept at a temperature very clearly below room temperature.
With reference to Figures 4 to 6, the box or crate or tray 43 according to the invention, has a bottom 48 and four side walls 25 external 44, 45 parallel to each other and 46, 47 also parallel between them and perpendicular to the walls 44, 45, which side walls 44 â 47 are vertical and delimit with the bottom 48 the volume of the box 43.
Two vertical walls 56, 57 forming partitions extending over 3o the entire height 53 (with reference to a vertical axis 3) and over the entire width 54 of the box 43, which are parallel to the side walls 46 and 47, are arranged at a short distance from them and delimit therewith here as with the bottom 48 and with a horizontal wall portion upper 58, an inlet duct (marked 17 in FIGS. 5 and 6) and a outlet duct (marked 18, Figures 5 and 6); these conduits are from cross section (in a vertical plane parallel to axes 3 and 70) rectangular and flattened, that is to say the dimension measured according to the vertical axis 3 is clearly greater than the dimension measured according to a transverse horizontal axis 70.
Each of the partitions 56, 57 is provided for example with a plurality perforations 55 of small dimensions, allowing as illustrated FIG. 6 in particular, the circulation according to the arrows 49 of fresh air lo leaving the inlet duct 17 through the partition 56; the air circulates inside the volume of the box, thanks to the gaps left free between products 31, to be picked up according to arrows 49 and to penetrate in the outlet duct 18, through small holes or perforations 55 provided in the second partition 57, which is arranged opposite the first partition 56 inside the box.
With reference to Figures 4 to 6, each of the two partitions 56, 57 is preferably also provided in the vicinity of its upper part, adjoining the opening 21 provided in the upper part of the crate 43, an elongated slot or orifice 59, 60 extending for example 2o horizontally and allowing to deliver a significant air flow: the air leaving the inlet duct 17 enters the storage volume 30 of the body through the opening 59 to form an air curtain 51 horizontal which is taken up by the opening 60 of the partition 57 facing at partition 56; as illustrated particularly in FIGS. 5 and 6, the exhibition structure 6 of products can be constituted by two or several pieces or crates 43 superimposed and arranged on a pallet 8 of low height 68, mainly made up of cleats 67 nailed to horizontal boards 66 under which a space 27 free of height 69 allows to introduce under the structure 6, the forks (not 3o shown) of a motorized or non-motorized vehicle for handling the structure 6 thus formed.
With reference to FIGS. 4 to 6, it can be seen that an opening I2 inlet is provided in the lateral face 45 of the box 43, which constitutes an orifice opening into the fresh air inlet duct 17 at the interior of the box 43; similarly an opening 13 of outlet is provided in said wall 45 which constitutes an outlet orifice of the fresh air outlet duct 18 for recycling in the 5 cooling.
Each of the boxes 43 is, as shown in FIGS. 5 and 6, provided on its lateral faces 46, 47, with attachment means 62 such as a portion of strap or buckle, for example made of plastic and allowing the temporary mechanical assembly of the boxes 43 with the lo cooling module 2 which is equipped with corresponding means 61 males or females, as particularly illustrated in FIG. 5; the relative displacement of the cooling group 2 with respect to the packaging 43 is facilitated by rollers 63 provided under the box of the group 2.
15 As illustrated in FIG. 5 in particular, the front wall 41 (or frontal) of group 2 is preferably flat, vertical, able to come press against the rear face 45 of the boxes 43, and is provided openings 11 and 10 respectively for return and blowing air, which are capable of coming into correspondence and facing the openings, 13 and 12 respectively provided in said rear faces 45 of boxes 43.
In this embodiment of the exhibition structures 6 of products formed by stacking crates 43, access to products is normally done by the horizontal open upper face 21 of each case successively; in addition, a second area or face or access opening 21B can be provided on the front wall 44 of the body to allow additional access to the crate located on top from the stack and / or direct access to lower level cases.
The boxes 43 shown in Figures 4 to 6, like the structures monoblocks shown in Figures I to 3, are for example entirely made from the sides of corrugated cardboard, preferably at least two undulations, which by folding, gluing and assembling, allow to obtain the different walls of the boxes and exhibition structures of products, to obtain a single-use exhibition structure, which is discarded after the products have been emptied; these exhibition structures 43, 6 products are preferably also used as packaging for transport of the products between a place of packaging of the products and an exhibition space for the sale of these.
In another embodiment, the walls of the boxes or packaging is made (for all or part) of plastic (flexible or rigid) and are used for many types of packaging and successive transport; when using plastic flexible, at least part of the walls of the packaging can be l0 inflatable. Especially small refrigerated cabinets may include a so-called "passive" ventilation unit and air cooling, that is to say that does not include a production of cold, but includes a storage tank (or "Reserve"} of "cold" (ie thermal energy) similar to those used in portable coolers; such a device can by example include a plastic container filled with a matter such as ice or eutectic salts; we use in this case the latent heat of fusion of said material which is chosen for that its melting temperature is slightly lower than the temperature 2o of conservation of the exposed products; in this embodiment, the cooling unit can be essentially constituted by this tank (preferably with a large exchange surface thermal with air) and by a fan for circulating fresh air (at cool).
The invention thus makes it possible to provide units for cooling and portable (or portable) refrigerated furniture.
rt

Claims (10)

17 1. Packaging for mainly perishable products consisting of paper, cardboard or plastic, which comprises:
- an air inlet opening (12), - an air outlet opening (13), - a guide (17, 18) or air circulation duct, - a mechanical connection with an air ventilation unit (2), and wherein said air inlet and outlet openings are arranged on one or more of the side faces (14, 20, 22, 44, 45, 46, 47) or higher (15, 58) of the packaging. 2. Packaging of perishable products, which includes one or more several boxes (43), which is of prismatic shape with a horizontal base, and essentially made of paper, cardboard or plastic, of which at least a part of at least one lateral or upper face is capable of being opened and delimits an access zone to the products contained in the packaging, which includes, integrated into the box - at least one first air inlet opening (12) in the box, at least one second air outlet opening (13) of the box, - at least one first air distribution guide or duct (17), which comprises at one end said first air inlet opening, - at least a second guide or duct (18) for air intake, which comprises at one end said second air outlet opening, - at least one mechanical connection means and preferably aeraulic, with a ventilation and air cooling unit, and wherein said air inlet and outlet openings are arranged on one or more of the vertical side faces or upper part of the body, and in which at least one of said conduits air distribution and return includes an elbow. 3. Open body essentially made up of walls in corrugated cardboard and/or plastic, which crate is delimited by a horizontal bottom and at least four vertical side walls, which further comprises a partition (56, 57) pierced or perforated, which body further comprises a volume or duct (17, 18) delimited in particular by said pierced partition and by a pierced part or perforated (12, 13) of one of said vertical side walls. 4. Packing or crate according to any of the claims 1 to 3, which includes an air inlet opening (12) and an air outlet opening (13) which are arranged on the same wall external vertical side of the packaging, and which comprises at least two male or female attachment elements (61, 62) which are capable of cooperating with additional attachment elements provided on a unit of ventilation and air cooling. 5. Packaging according to any one of claims 1 to 4, which comprises one or two ducts (17, 18) bent, of section flattened rectangle. 6. Packaging according to any one of claims 1 to 5, which comprises two partitions (56, 57) pierced and/or perforated, vertical, parallel to each other and to two outer side walls of said packaging, which partitions comprise at least one opening (59, 60), able to allow the circulation of an air curtain to limit the supply of outside air (hot) through the access opening to the products. 7. Packaging according to any one of claims 1 to 6, comprising a thin base (8, 9) essentially consisting of cleats (67) and/or planks (66) made of wood and delimiting a free space (27) extending over a substantial part (69) of the height (68) of the basement. 8. System for displaying perishable products at a place of sale, which includes - a ventilation and air cooling unit (2), - a duct (4) for blowing cooled air delivered by said unit, - an air intake duct (5) intended for said unit, - a crate or packaging according to any of the claims 1 to 7, each of said supply and return ducts, flexible or rigid, being equipped at one end with mechanical connection means with the said crate or packaging, making it possible to ensure a connection substantially airtight, together with said crate or packaging, by said air inlet and outlet openings provided in the side walls or superior to it. 9. Refrigerated display cabinet for perishable products, which includes - a ventilation and air cooling unit (2), - at least one crate or packaging according to any of the claims 1 to 7, which is attached to said ventilation unit and air cooling, by at least part of one of its walls side or top, - mechanical connecting means to secure temporarily said unit to said crate or packaging, - and aeraulic connection means to ensure a substantially sealed connection between said unit and said box or packaging. 10. Cabinet according to claim 9, wherein the unit of cooling is either mobile mounted on rollers or on skids sliding, either placed on a base or pallet (8) common to said packaging or crate and to said cooling unit.