JPH0628417Y2 - Cooling case for courier - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a cool case for a courier that can easily accommodate and transport marine products, fruits and vegetables, raw meat, ham, sausages, and other products that require cooling. In particular, it relates to a cardboard courier case that can be raised with one touch during assembly, easy to assemble and does not leak water.

[Prior art and problems] As is well known, the spread of courier service in recent years is remarkable, but accompanying it, fresh food products such as marine products and fruits and vegetables that need to be kept cold can be easily housed and delivered. Various types of cool cases have been developed and put into practical use. However, many conventional cold cases are made of synthetic resin foam mainly composed of polyethylene resin or polypropylene resin, and in general, those cases are expensive due to processing and material costs, and waste disposal. Is not easy either.

Therefore, there is a demand for the development of a paper cold insulation case that is cheaper than the synthetic resin cold insulation case, has good processability, is easy to assemble during use, and is easy to dispose of.

However, in general, the case made of paper does not have sufficient cooling effect during transportation, cold air escapes from the gap, and the temperature of the articles contained in the container rises due to the heat from the outside air, which may deteriorate the freshness. . Further, there is a problem that water is leaked to the outside of the container due to water contained in the water-containing food or the water melted from the coolant.

In view of the above-mentioned conventional problems, the present invention uses a corrugated cardboard sheet having a heat reflection layer made of an aluminum vapor deposition film or aluminum foil on at least one surface, is inexpensive and easy to assemble, and allows cool air to escape during transportation. The purpose is to propose a cooling case that does not cause water leakage.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention has a liner at least one surface of which is provided with a heat-reflecting layer made of an aluminum vapor-deposited film or aluminum foil, etc. A rectangular bottom plate is defined, and a pair of side plates and a pair of end plates are connected to each other on four sides thereof, and a linking plate having a 45-degree fold line is provided between the side plates and the end plate, and the pair of side plates is provided. A cover plate having an external flap is continuously provided on one side, and a folded piece having locking projections on both sides is continuously provided on the other side, and a small hole into which the projection is fitted is further provided with a side end portion of the end plate. It is provided in
One end of the linking plate is fixed on the side plate so that the heat reflection layer is on the inner surface side of the box, and the folded piece is bent so that it comes to the inside of one side plate, and the locking projection is fitted into the small hole, Further, the invention is characterized in that an external flap is wound on the outside of the side plate and taped so as to close the small hole.

[Operation] A pair of gable plates or side plates provided on the four circumferences of the bottom plate is raised, and the other side plate or gable plate is also raised at the same time. When the items to be kept cool are housed in this box, the top opening is closed with a lid, and the small holes are sealed with external flaps and tapes to seal them, and the internal items are heat-reflected inside the case. It will be wrapped in layers and kept cool and warm.

In addition, this case does not have adhesive parts at all four corners of the bottom plate, and since there is a heat reflection film on the inner surface of the blank sheet, this reflection film serves as a water leakage prevention film and the melted water leaks out of the case. Prevent.

[Embodiment] An embodiment of the present invention will be specifically described below with reference to the drawings.

FIG. 1 is a development view showing a flat blank of the present invention,
FIG. 2 is a sectional view of the same blank, FIG. 3 is a perspective view showing an assembling process, and FIG. 4 is a package shape during transportation.

1 and 2, reference numeral 1 is a corrugated core, and reference numerals 2 and 3 are liners made of kraft paper attached to the front and back of the core. One liner 2
An aluminum vapor deposition film 4 is formed on the surface of, and a synthetic resin film 5 such as a PET film is attached on the vapor deposition film. Aluminum foil may be used instead of the aluminum vapor deposition film.

Using a corrugated cardboard sheet as described above, a rectangular bottom plate 10 is defined in the substantially center thereof, and a pair of side plates 11 and 11 and a pair of end plates 12 and 12 that are opposed to each other are connected to four sides of the bottom plate.
A linking plate 13 is integrally provided between the side plate 11 and the end plate 12, and a 45-degree fold line 14 starting from a corner of the bottom plate is formed on each linking plate.

A lid plate 15 is connected to one of the pair of side plates. The lid plate has the same size as the bottom plate, and an external flap 16 is provided at one end of the lid plate. Further, a folding piece 17 that can be folded inward is continuously provided on the other side plate. Locking protrusions 18 are stretched on both ends of the folded piece. Corresponding to this locking projection, a small hole 19 that can be inserted and fitted is provided on the end plate.
It is formed on both ends of twelve. Reference numeral 20 is a flange piece that is continuously provided at the end of each end plate.

The flat blank configured as described above has a pair of end plates 12 stacked on the bottom plate 10 and a link plate 13 on the cover plate 15 side so that a heat reflection layer such as an aluminum vapor deposition film comes to the inside of the box in advance.
Is folded back on the adjacent side plate 11, and the fixing portion g is fixed to the side plate 11 with a stitch metal fitting or an adhesive. In this way, a case that is folded in a substantially planar shape can be obtained, and when it is not used in that state, it is stacked and stored.

Next, the case of assembling this at the time of use will be described.
As described above, the case of the present invention is in a substantially sheet shape (planar shape) when folded, and when assembling this, first, the pair of end plates 12 are raised. By such an operation, the side plate 11 on the adjacent lid side rises at the same time via the linking plate 13 having the fold line 14 of 45 degrees. Next, start up the other side plate 11 and fold back the folded piece 17 inside it to form a small hole.
The locking projection 18 is inserted into 19 and fitted. In this way, the cold storage case of the present invention assembled in a substantially box shape is obtained, and the article requiring cold storage is accommodated in this case together with the animal cooling material and the cooling material as needed. After containing the articles, the top opening of the case is closed by the cover plate 15, and the external flap 16
Is wrapped around the side plate 11 and fixed with an adhesive tape T. To fix the tape, a tape T is attached so that the small holes 19 are marked, so that the cold air in the container does not escape.

[Advantage of the Invention] As described above, according to the configuration of the present invention, a corrugated cardboard sheet having a heat-reflecting layer made of aluminum vapor deposition film or aluminum foil on at least one surface is used, and it is folded and stored in a flat shape before use. It is easy to assemble with one-touch raising at the time of assembly, and since the inner surface of the sheet is covered with a heat-reflecting layer, there is no escape of cold air during transportation and no more water leakage. Without using a cool case made of synthetic resin foam material, a heat insulation effect comparable to this can be obtained, and material cost compared to the conventional one,
It is suitable as a refrigerating case for courier because the processing cost is low and the disposal process is easy after it is no longer needed.

[Brief description of drawings]

FIG. 1 is a development view showing a flat blank of the present invention,
FIG. 2 is a sectional view of the same blank, FIG. 3 is a perspective view showing an assembling process, and FIG. 4 is a package shape during transportation. 1: Core, 2, 3: Liner, 4: Aluminum vapor deposition film 5: Synthetic resin film, 6: Corrugated cardboard sheet 10: Bottom plate, 11: Side plate, 12: Wife plate, 13: Linking plate 14: 45 degree fold line, 15: Lid plate, 16: External flap 17: Folding piece, 18: Locking protrusion, 19 small holes

Claims (1)

[Scope of utility model registration request] 1. A rectangular bottom plate is defined approximately at the center of a corrugated cardboard sheet for heat insulation and cooling, in which a heat reflection layer made of an aluminum vapor-deposited film or an aluminum foil is provided on at least one surface of a liner, and a pair of side plates and a pair are provided on four sides thereof. And a connecting plate having a 45-degree fold line between the side plate and the end plate, and a lid plate having an external flap is connected to one of the pair of side plates. On the other side, a folded piece having locking projections at both ends is continuously provided, and a small hole into which the projection fits is further provided at a side end portion of the end plate so that the heat reflection layer comes to the inner surface side of the box. Fix one end of the link plate on the side plate and bend the folded piece so that it comes to the inside of one side plate, fit the locking projection into the small hole, and wrap the external flap around the outside of the side plate. The house is characterized in that it is taped so as to block the small holes. Cold case for flights.