Refrigeration – Display type – With air controlling or directing means
Patent
1997-12-31
1999-12-07
Tapolcai, William E.
Refrigeration
Display type
With air controlling or directing means
62298, A47F 304
Patent
active
059963662
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a refrigerated cabinet for displaying and/or conserving perishables, food products or the like, e.g. in a shop.
The technical field of the invention is that of manufacturing refrigerated cabinets.
From international application WO 94/17698 (RENARD) and the corresponding U.S. Pat. No. 5,502,979, which is incorporated herein by reference, a collapsible refrigerated cabinet is known that includes means for circulating and guiding cool air and means for distributing cool air towards display shelves or planes for products and including cover panels made of a material such as card, with the cover forming a portion of a superstructure that is removably mounted on a base which includes means for cooling air and for establishing forcing circulation thereof, i.e. in particular at least a heat exchanger and a fan.
An object of the present invention is to improve the refrigerated cabinets described in the above-mentioned international application.
The solution to the problem posed consists in providing a display module for perishable products that includes at least one air guide duct, and at least one module handling member.
In preferred embodiments of the invention: Stiffened zone or portion of the module, at the bottom thereof; loading support or pallet such as a tray, which includes at least one air guide duct of elongate section, that is preferably rectangular, having a vertical longitudinal axis and suitable for being connected to the duct(s) of the module; plastics materials (or comprises an assembly of elements themselves made of said materials); and preferably by at least two grip member(s), such as handle(s), strap(s), or loop(s); and includes at least two oblong setbacks or projections or openings provided in two substantially vertical side walls of the module that are parallel to each other (e.g. left and right sides); i.e. they are built up from one or more folded blanks; delivery ducts, that are preferably juxtaposed (i.e. touching) and substantially identical, and further includes, where appropriate, at least two (e.g. three to six) air intake ducts that are parallel to one another, preferably juxtaposed (i.e. touching), and substantially identical.
By "stiffened" (or "rigid") portion or zone of the display module, the present application means a portion or zone having stiffness and/or bending strength, crushing (or compression) strength, and traction strength considerably greater than the stiffness of the (generally vertical) side panels of the display module, e.g. being at least 50% stronger.
This increased stiffness of the rigid zone can be obtained, for example, by increasing the thickness of the panels of the module in said zone by at least 50%; this stiffened portion may also be obtained by adding a thin piece of a material that is stiffer than that constituting the panels of the display module, placed adjacent to the bottom portions of said panels to constitute and/or surround said handling member; when said handling means is essentially constituted by a grip member such as a handle which is particularly adapted to modules for displaying products of small dimensions or for containing products of low density, said grip members (such as handles) may, for example, be constituted by one or more oblong openings provided in the bottom portions of the left and right side panels of the display module, with the thickness thereof in said zone being reinforced, e.g. being doubled.
When using a pallet or a tray constituting the handling means for the display module, said means is preferably made of a material which is different from the material constituting the panels of the display module; said material constituting the pallet is preferably stiffer than the material constituting the panels of the display module, which pallet (or tray) is adapted for manual or mechanical handling, e.g. by means of a tool such as a forklift truck, in which case said stiffened portion or zone is integrated at least in part in said pallet which is itself preferably integrated in the bottom porti
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