JPH0340778Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention stores objects to be kept cold, such as fruits, vegetables, fish, and ham, in the container body, then covers the main lid and stacks them in a refrigeration facility. Cold air is circulated inside, and at the time of shipping, a cold storage agent such as dry ice or bagged ice is stored in the cold storage agent storage chamber formed in the container body, and a sub-lid is placed on the container to make it airtight. The present invention relates to a packaging container capable of keeping food in a sufficiently cold state.

(Prior art) A cold storage container that stores objects to be refrigerated in a box-shaped body made of foamed polystyrene and includes a box-shaped body made of foamed polystyrene containing dry ice, ice, etc., and a lid made of foamed polystyrene is disclosed in Japanese Utility Model Application Publication No. 172752/1983. , Utsukai Showa 58-
Each is disclosed in Publication No. 52144.

In order to keep stored items cold in a refrigeration facility, such a cold storage container allows cold air to flow into the box-shaped body with the inner lid and top lid removed.

(Problem to be solved by the invention) A cold storage container is formed by such a box-shaped main body having heat insulation properties and a lid, an object to be kept cool is stored in the box-shaped main body, and the lid is covered and closed. When stacked in a refrigeration facility, cold air will not circulate inside the box-shaped body.

Therefore, in the case of a cold storage container consisting of a box-shaped body, an inner lid, and an upper lid, there are problems such as the inability to store the containers stacked in a refrigeration facility.

(Means for solving the problem) The present invention stores objects to be refrigerated in the container body, covers the main lid, and stacks them in a refrigerating facility.When shipped, the object is stored in a refrigerant storage chamber formed in the container body. A cold storage container that stores a cold storage agent such as ice cream or packed ice, and is covered with a sub-lid to make it airtight so that it can be transferred immediately, and the front and back walls of the container part that opens at the top. In addition to providing a fitting convex part on the main lid fitting step of the section, a refrigerant storage chamber formed on one side wall and the other side wall and opening upward is provided, and a sub-lid fitting step is provided on the upper edge. A container main body, which is formed by providing a fitting recess in each of the outer wall parts of the protrusion part and further providing a ventilation notch in the partition wall between the container part and the protruding part to communicate the inside of the container part and the cold storage agent storage chamber, and a lower surface thereof. A fitting step portion is provided with a fitting notch that can be freely fitted into the fitting convex portion, and one side edge is provided with a downward fitting protruding wall portion which can be freely fitted into the fitting recess of the one side wall portion of the container portion, and the other side edge a main lid having a sub-lid engaging stepped portion formed thereon; a downward fitting protruding wall portion that can be fitted into a fitting recess in an outer wall portion of the projecting portion; It consists of a secondary lid with a stepped part that can be freely engaged with the stepped part, and the main lid is placed over the container body, a vent is formed by the ventilation notch and the main lid, and the secondary lid is placed to create an airtight state. The present invention provides a packaging container made of

(Function) When items to be kept cool are stored in the container body, covered with the main lid, and immediately stacked in a refrigeration facility, the main lid forms a ventilation notch in the partition between the container body and the overhanging portion of the container body. Cold air can be circulated through the vents to keep the objects in a cold state.When shipped, a cold storage agent such as dry ice or bagged ice is stored in the cold storage agent storage chamber in the projecting part of the container body, and the sub-lid is closed. Cover it to seal it and shut it off from the outside air,
In addition, cold air generated by the cold storage agent can be circulated through the vent into the container to maintain a cold state during transfer.

(Example) An example of the packaging container of the present invention will be described with reference to the drawings.

As shown in FIGS. 1, 2, and 3, the packaging container 1 includes a container body 2, a main lid 3, and a sub-lid 4, each of which is made of a styrofoam molded product.

As shown in FIG. 4, FIG. 5, FIG. 6, FIG. 7, and FIG. The projecting portion 6 has a lower surface 6a higher than the outer surface of the bottom portion 5a of the container portion 5.

Main lid fitting step portions 5d, 5d are formed on the upper edges of the front wall portion 5b and rear wall portion 5c of the container portion 5,
A fitting convex portion 5e is provided in the longitudinal center of each of these main lid fitting step portions 5d, 5d, and one side wall portion 5
A fitting recess 5g is provided on the upper edge of f.

Key-shaped fitting step portions 6b are provided on both sides of the upper end of the overhang portion 6,
6b is provided, and a fitting recess 6d is provided in the outer wall portion 6c, and a ventilation notch 7a is provided at the upper edge of the partition wall portion 7 between the container portion 5 and the overhang portion 6.
c, an upper opening is formed between the end walls 6e, 6e and the partition wall 7;
A cool storage agent storage chamber 8 communicating with the inside of the container portion 5 is defined by the ventilation notch 7a.

As shown in FIG. 9, FIG. 10, FIG. 11, FIG. 12, and FIG. 13, the main lid 3 has a stepped portion on the lower surface that can be freely fitted into the main lid fitting stepped portion 5d of the container portion 5. 3
A fitting notch 3b which can be fitted into the fitting convex part 5e is provided in the center part of each of a and 3a, and a downward fitting protrusion wall which can be fitted into the fitting recess 5g of the one side wall part 5f of the container part 5 is provided on one side edge. A sub-lid engaging stepped portion 3 is provided on the other side edge.
d is formed.

The sub-lid 4 is shown in FIGS. 14, 15 and 16.
As shown in the figure, a downward fitting projecting wall portion 4a is provided on the outer side, a step 4b that can freely engage with the sub-lid engaging step 3d of the main lid 3 is provided on the inner side, and a lock is provided on the lower surface. There are step portions 4c, 4c that can be freely fitted to the step portions 6b, 6b, and the sub-lid 4 is arranged on the left side of the main lid 3, and
cover.

As shown in FIGS. 6 and 7, fitting recesses 5h and 6d formed in the one side wall 5f of the container body 2 and the outer wall 6c of the overhang 6, respectively, fit into the one side wall 5.
f, the inner recessed portions 5j and 6g are stepped with respect to the outer recessed portions 5i and 6f, which correspond to approximately half the thickness of the outer wall portion 6c, and as shown in FIGS. 14 and 17, the main lid 3 The downward fitting projecting wall portions 3c and 4a of the sub-lid 4 have inner convex portions 3e and 4e with respect to outer convex portions 3d and 4d corresponding to approximately half the thickness.
The main lid 3 and the secondary lid 4 are provided in the fitting recesses 5h and 6d of the one side wall 5f and the overhanging part 6, respectively.
The downward fitting projecting wall portions 3c and 4a are formed so as to tightly fit therein.

Further, the side portions of the key-shaped fitting step portion 6b of the projecting portion 6 in the container body 2 are continuous with the main lid fitting step portion 5d of the container portion 5, and the front wall portion 5b and rear wall portion of the container portion 5 are made continuous. The outer surface of 5c and the end wall parts 6e, 6e of the overhanging part 6
It is flush with the outer surface.

Furthermore, the main lid fitting stepped portion 5 of the container portion 5 of the container body 2
When the fitting stepped portion 6a of the main lid 3 is fitted into the fitting step 6a of the main lid 3 and the fitting notch 3b is fitted into the fitting convex portion 5e, the downward fitting projecting wall portion 3c of the main lid 3 is inserted into the one side wall portion 5f of the container portion 5. The edge of the sub-lid engaging stepped portion 3d is tightly fitted into the fitting recess 5f and placed on the partition wall 7, and the ventilation notch 7a and the main lid 3 form a vent 9 (the first
(see figure).

Incidentally, stepped small holes 10, 10, 10 are formed through the bottom of the cold storage agent storage chamber 8 formed in the overhang 6, and the ball valve 11 is engaged with the stepped portion 10a of the stepped small hole 10. When the required amount of liquid generated by the cold storage agent is reached, the ball valve 11 is floated to discharge the liquid (see FIGS. 1 and 17).

Since the present invention is configured as described above, after putting the object to be kept cold into the container part 5 of the container body 2,
The main lid 3 is placed on the main lid 3 to form a ventilation hole 9 as shown in FIG.

In this way, when the container body 2 is carried into a refrigeration facility with the main lid 3 covered, and when it is carried alone or stacked, the cold air in the refrigeration facility will flow into the container 5 through the vent 9, and the items to be refrigerated will be vacuumed. Pre-cool and keep cold.

In particular, when stacked, a space is formed below the overhang 6 and cool air flows through it, so that cooling is further promoted.

Next, at the time of shipment, a cold storage agent such as dry ice is put into the cold storage agent storage chamber 8 of the projecting part 6 of the container body 2, and the downward fitting protruding wall part 4a and the fitting step part 4 of the sub-lid 4 are filled with a cold storage agent such as dry ice.
c, 4c are the fitting recess 6d of the overhanging part 6, and the key-shaped fitting stepped part 6.
At the same time, the refrigerant storage chamber 8 is closed by fitting the step 4b on the inner side into the sub-lid engaging step 3d of the main lid 3. At the same time, the container body 2 is inserted into the main lid 3 and the sub-lid 4. Therefore, the cold storage agent storage chamber 8 is closed and isolated from the outside air.
Cold air generated by the cold storage agent inside flows into the container part 5 through the vent 9, and can be constantly transferred in a cold state.

In addition, in the case of differential pressure precooling, precooling is performed without covering the main lid and sub-lid, and after completion of pre-cooling, the cool storage agent is accommodated while being reloaded, and the main lid and sub-lid are covered for shipment.

(Effects of the invention) This invention allows cold air to circulate inside the refrigeration facility by storing items to be refrigerated in the container and covering the main lid to form a vent. By putting a cold storage agent into the cold storage agent storage chamber and covering it with a sub-lid, it is possible to transfer objects to be kept cold while continuing to keep them cold.

[Brief explanation of drawings]

Figure 1 is a cutaway front view of the main parts of the packaging container of the present invention, Figure 2 is a top view of the same, Figure 3 is a right side view of the same, and Figure 4 is a front view of the main parts of the packaging container of the present invention.
The figure is the same left side view, Figure 5 is a plan view of the container body,
Figure 6 is a sectional view taken along the - line in Figure 5;
The figure is a sectional view taken along the - line in Fig. 5, Fig. 8 is a sectional view taken along the - line in Fig. 5, Fig. 9 is a front view of the main lid, Fig. 10 is a plan view of the same, and Fig. 11 is a sectional view taken along the - line of Fig. 5.・Right side view, Figure 12 is the same ・Left side view, Figure 13
The figure is a sectional view taken along the - line in Figure 10, Figure 14 is a plan view of the sub-lid, Figure 15 is a front view of the same,
FIG. 16 is a sectional view taken along the line shown in FIG. 14, and FIG. 17 is an enlarged sectional view of a main part of the cool storage agent storage chamber. DESCRIPTION OF SYMBOLS 1... Packaging container, 2... Container body, 3... Main lid, 3b... Fitting notch, 3c... Downward fitting protruding wall part, 3d... Sub-lid engaging stepped part, 4... Sub-lid, 4a...
...Downward fitting projecting wall part, 5...Container part, 5d...Main lid fitting step part, 5e...Fitting protrusion, 5g...Fitting recess, 6...
... overhanging part, 7 ... partition part, 7a ... ventilation notch,
8...Cold storage agent storage chamber, 9...Vent.

Claims (1)

[Scope of utility model registration request] A fitting convex portion is provided on the front wall of the container portion which opens upward, and a main lid fitting stepped portion of the rear wall, and a cold storage agent storage chamber is formed on one side wall and the other side wall and opens upward. A fitting recess is provided in each of the outer walls of the overhanging portion, which has a sub-lid fitting stepped portion on its upper edge, and a ventilation notch is provided in the partition between the container portion and the overhanging portion to separate the inside of the container portion and the cold storage agent storage. A container body communicating with the chamber;
A fitting step portion on the lower surface is provided with a fitting notch that can be freely fitted with the fitting convex portion, and a downward fitting protruding wall portion is provided on one side edge that can be freely fitted into the fitting recess of the one side wall portion of the container portion,
A main lid with a secondary lid engaging step formed on the other side edge, a downward fitting protruding wall portion that can be fitted into the fitting recess of the outer wall of the projecting portion on the outer side, and the secondary lid on the inner side. It consists of a lid engaging step and a sub-lid with a freely engageable step, the main cover is placed over the container body, a vent is formed by the ventilation notch and the main cover, and the sub-lid is placed to create a sealed state. A packaging container designed to