JPH07298788A - Double-tank container - Google Patents

Abstract

PURPOSE:To provide a double-tank container capable of affecting a material to be housed in an inner container part by doubly dividing the interior of the container and forming an annular clearance on the outside thereof. CONSTITUTION:This double-tank container 1 is equipped with an inner container part 10 and an outer container part 20 having an annular clearance part 15 on the outside thereof. The annular clearance part 15 directly becomes an air layer at the outside air temperature and provides a cold reserving layer by placing water or ice, etc., in the clearance part 15. Furthermore, a heat retaining layer can be formed by placing a cloth, paper or an expanded plastic, etc., therein so that the heat may not escape. The clearance part having the opened lower side is formed to enable the stacking thereof. The expanded plastic, etc., can integrally be filled in the clearance part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double tank container having an inner container portion provided with an outer peripheral wall through an annular gap.

[0002]

2. Description of the Related Art Conventionally, in a poly bucket, a barrel, and other storage containers, in order to keep warm or cool the stored items, it is necessary to keep warm or cool from the outside of the container, which requires a large-scale structure. It was also a laborious task.

[0003]

The present invention was devised in view of the above circumstances, and its main problem is to
An object of the present invention is to provide a double-vessel container in which the inside of the container is divided into two parts in an annular shape and an annular gap is formed on the outside so as to affect the contents stored in the inner container part.

[0004]

In order to solve the above-mentioned problems, in the invention of claim 1, an outer container portion having a large diameter is separated from an annular gap portion having an upper surface opened inside thereof. The technical measure is that it consists of a partitioned inner container part. Further, in the invention of claim 2, an annular gap portion having a lower end opened is provided between the inner container portion and the outer container portion,
I am taking the technical means of. According to the invention of claim 3,
The technical measure is provided that the inner container portion is composed of a small-diameter inner container portion and a large-diameter outer container portion, and the inner container portion is fitted into the outer container portion so as to form a gap. Further, in the invention of claim 4, a technical means is provided in which a discharge port portion communicating with the gap portion is provided in the lower portion of the outer container portion. In the invention of claim 5, it is connected to the upper end of the inner container portion,
It is said that an outer wall portion is provided which extends downward with an inner container portion and an annular gap portion extending downward, and an annular gap portion formed between the outer wall portion and the outer peripheral surface of the inner container portion is opened downward. Taking technical measures. In the invention of claim 6,
A technical measure is taken in which an annular gap portion formed between the outer wall portion and the outer peripheral surface of the inner container portion is filled with a heat insulating material or a cold insulating material. Further, in the invention of claim 7, the technical means that the bottom surface of the inner container portion is set at a position higher than the bottom surface of the outer container portion, and a gap is formed below the bottom surface of the inner container portion. ing. In the invention of claim 8, a commercially available flowerpot is used as the outer container part,
A technical measure is taken to provide an inner container portion that can be housed in the flower pot with an annular gap.

[0005]

As a result, in the invention of claim 1, since the inner container portion is arranged inside the outer container portion via the annular gap portion, the gap portion becomes an air layer at the outside temperature as it is,
Alternatively, a cold insulating material such as water or ice, a foaming agent, a heat insulating material such as cloth or paper may be filled and used as a cold insulating layer or a heat insulating layer. In the invention of claim 2, since the lower end of the gap portion is open, the double tank containers can be stacked. In the invention of claim 3, the inner container part and the outer container part are separate bodies,
They can be detachably combined and used as a double tank container. According to the fourth aspect of the invention, when water or the like is filled in the gap, the water can be discharged through the discharge port. According to the invention of claim 5, it is a double tank container having a simple structure in which the upper part of the outer wall is connected to the upper end of the inner container, and the annular gap is opened on the lower side. ,
If necessary, the space may be filled with a cold insulating material or a heat insulating material. Further, in the invention of claim 7, since the gap is formed under the bottom surface of the inner container portion, the air layer, the heat retaining layer or the cold retaining layer can be formed on the lower side as well. In the eighth aspect of the invention, the double tank container can be easily formed by storing it in a commercially available flower pot.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the double tank container of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the double tank container 1 of the first embodiment has an inner container portion 10 and an outer container portion 2 having an annular gap portion 15 on the outer side thereof.
It is configured with 0.

That is, the double tank container 1 is made of a synthetic resin material and has a large-diameter outer container portion 20 and a small-diameter inner container portion 10 integrally formed in the center of the outer container portion 20 with a partition inner wall 2 interposed therebetween. It consists of Then, the inside of the annular gap portion 15 becomes an air layer of the outside temperature as it is. Further, water or ice may be put in the gap 15 to form a cold insulating layer, and a heat insulating layer may be formed by putting cloth, paper, foamed plastic or the like so as not to release heat.

A drain outlet (with a cap or an on-off valve) 8 is provided at the lower portion of the outer wall of the outer container 20.
By providing, it becomes easy to discharge when a liquid such as water is filled. The inner container portion 10 can store food, animals and plants, and other arbitrary items. In particular, it is preferable to control the temperature to some extent, because the temperature can be controlled easily and inexpensively.

The double tank container 1 shown in FIG.
A different embodiment in which a gap portion 16 is provided below the bottom surface of 0 is shown. In this configuration, since the gap portion 16 is further provided, the side wall and the bottom surface of the inner container portion 10 are covered with the gap portion, and further temperature control can be performed. For example, if a hole is made in the gap portion 16 to divide the gap portion 16 from the annular gap portion 15, fluid such as outside air or water can be communicated, and by enlarging the hole, a flexible material such as cloth can be obtained. It is also possible to insert an object having a property from the annular gap side.

The double tank container 1 shown in FIG.
The inner wall 2 for partitioning 0 and the outer container portion 20 has a structure in which the lower end is opened with an annular auxiliary gap portion 17 inside. That is, the upper end of the peripheral wall 10a of the inner container portion 10 is folded back to become the inner peripheral wall of the outer container portion 20 to form the partitioning inner wall 2, and the auxiliary gap portion 17 is provided between the peripheral wall 10a and the inner peripheral wall 20a. Are formed.

In the case of the illustrated example, the wall surface forming the gap is a taper surface in which the peripheral wall 10a rises substantially vertically and the inner peripheral wall 20a inclines and rises toward the inside. Since the outer peripheral wall 20b is formed of a tapered surface that slopes outward and rises,
It can be stacked up and down. In this way, if the stacking portion is formed in a tapered shape in which the width gradually narrows in the fitting direction, the stacking portion is not limited to the example shown in the above and stacking is possible.

The double-vessel container 1 shown in FIG. 4 shows a different embodiment in which an outer container portion having a gap portion whose upper portion is open is not provided. That is, the inner container portion 10 and the outer wall portion 19 that is connected to the upper end of the inner container portion 10 and extends downward with the annular gap portion 18 between the inner container portion 10 and the inner container portion 10 are provided. In other words, the outer wall portion 1
An annular gap portion 18 opening downward is provided between the inner wall 9 and the peripheral wall 10a of the inner container portion 10.

Further, in the figure, 5 is a lid for closing the upper surface of the inner container portion 10, 6 is a reinforcing portion at the upper end of the outer wall portion 19, and 7 is a grip portion provided on the reinforcing portion 6. In this double tank container 1, the gap 18
Since it is open downward, stacking is possible as in the previous embodiment. Alternatively, a spray-type foamed plastic or the like may be filled in the gap 18 to integrally form the heat retaining layer. Alternatively, a lower lid (not shown) may be provided to close the opening of the gap 18 or the bottom of the inner container 10.

The double-vessel container 1 shown in FIG. 7 comprises a large-diameter outer container portion 20 shown in FIG. 6 (a) and a separate small-diameter inner container portion 10 shown in FIG. 6 (b). The inner container portion 10 is fitted into the outer container portion 20. In the case of the illustrated example, in order to guide the fitting position, the outer container portion 20
Since an annular convex portion 8 is formed on the bottom surface of the inner container portion and a concave portion 9 that fits into the convex portion 8 is formed on the bottom surface of the inner container portion 10, a constant annular gap portion 15 is formed. Both can be combined in a predetermined position so that.

The engaging structure for this positioning is not limited to the above-mentioned embodiment, but for example, it is an example of a structure provided only on the outer container portion 20, and the bottom surface has a protrusion such as a boss that abuts the outer peripheral wall of the inner container portion 20. A structure in which a portion is provided may be used, and other known latching or locking structure may be used.

In the above embodiment, the case where the inner container portion is made of plastic has been described as an example, but a metal or wood material may be used. Further, when the gap is not filled with water or the like, the peripheral wall 2 of the inner container portion may have a net-tensioned structure, a structure using a pang metal, or the like.

FIG. 6 shows an inner container which can be attached to a commercially available flower pot 20 to form a double tank container. The inner container 10 ′ is set in a shape that can be stored in a commercially available flower pot 20 with an annular gap therebetween. In the present embodiment,
A recess 38 that engages with a protrusion formed on the bottom surface of the flowerpot 20.
Is formed on the bottom surface. On the bottom surface of the concave portion 38, a hole communicating with a water draining hole that is opened in the convex portion of the flower pot is formed. With this, by fitting the inner container 10 ′ into the convex portion of the flower pot 20 and fitting the inner container 10 ′, the double tank container can be easily formed.

Further, FIG. 7 shows a different embodiment in which the peripheral wall of the inner container 10 'is formed in a wire mesh shape. The inner container 10 ′ has annular edges 31, 32 above and below the wire net 33.
Are formed to have a cylindrical shape. Although the bottom surface is an opening in the illustrated example, the bottom surface may be formed of a wire mesh as in the above-described embodiment, and a hole or a recess into which the protrusion of the flower pot 20 is fitted may be formed to facilitate positioning. . In this case, the flowerpot 20 is divided into the inside and the outside by a wire net. As an example of this use, for example, the roots of the plant protruding from the wire mesh can be cut from the outside or from the inside along the wire mesh with a cutter or the like.

In the present invention, the kind of the stored items is not limited to the above-mentioned embodiment, and the application is not limited, for example, the seafood is stored in the inner container part and the ice is put in the outer container part. In addition, it goes without saying that various design changes can be made without departing from the spirit of the present invention.

[0020]

According to the present invention, the inner container portion can be used as a portion for accommodating an object, and the annular gap portion formed between the inner container portion and the outer container portion can be used as an air layer, a heat insulating layer or a cold insulating layer. Therefore, it is possible to store the stored items while controlling the temperature with a simple structure.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of a double tank container of the present invention.

FIG. 2 is a cross-sectional view showing a different embodiment of the double tank container of the present invention.

FIG. 3 is a cross-sectional view showing an embodiment of a stackable double tank container.

FIG. 4 is a cross-sectional view showing an embodiment of a double tank container in which a gap portion opens on the lower side.

FIG. 5 is a cross-sectional view showing an example of a double tank container having a combined structure.

FIG. 6 is a cross-sectional view showing an inner container portion housed in a flower pot.

FIG. 7 is a cross-sectional view showing an inner container portion of another embodiment which is housed in a flower pot.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Double-tank container 2 Inner wall for partitioning 3 Bottom plate part 4 Hole for draining water 5 Lid 6 Grip part 8 Discharge port 10 Inner container part 15 Annular gap part 16 Lower gap part 17 Auxiliary gap part 19 Outer wall part 20 Outer container Department

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[Procedure amendment]

[Submission date] November 19, 1994

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of a double tank container of the present invention.

FIG. 2 is a cross-sectional view showing a different embodiment of the double tank container of the present invention.

FIG. 3 is a cross-sectional view showing an embodiment of a stackable double tank container.

FIG. 4 is a cross-sectional view showing an embodiment of a double tank container in which a gap portion opens on the lower side.

FIG. 5 is a cross-sectional view showing an example of a double tank container having a combined structure.

FIG. 6 is a cross-sectional view showing an inner container portion housed in a flower pot.

FIG. 7 is a cross-sectional view showing an inner container portion of another embodiment which is housed in a flower pot.

FIG. 8 is a cross-sectional view showing another embodiment in which the peripheral wall of the inner container portion is formed in a wire mesh shape.

[Explanation of reference numerals] 1 double tank container 2 inner wall for partitioning 3 bottom plate portion 4 hole for draining water 5 lid 6 gripping portion 8 discharge port 10 inner container portion 15 annular gap portion 16 lower gap portion 17 auxiliary gap portion 19 Outer wall 20 Outer container part

Claims (8)

[Claims] 1. A double tank container comprising an outer container part having a large diameter and an inner container part partitioned by an annular gap part having an upper surface opened inside thereof. 2. The double tank container according to claim 1, wherein an annular gap portion having a lower end opened is provided between the inner container portion and the outer container portion. 3. An inner container part having a small diameter and an outer container part having a large diameter, and the inner container part is fitted in the outer container part so as to form a gap. The described double tank container. 4. The double-vessel container according to claim 1, wherein a discharge port portion communicating with the gap portion is provided in a lower portion of the outer container portion. 5. An outer wall portion, which is connected to the upper end of the inner container portion and extends downward with an annular gap portion formed between the inner container portion, is formed between the outer wall portion and the outer peripheral surface of the inner container portion. A double-tank container characterized in that an annular gap portion is opened downward. 6. The double tank according to claim 5, wherein an annular gap portion formed between the outer wall portion and the outer peripheral surface of the inner container portion is filled with a heat insulating material or a cold insulating material. container. 7. The bottom surface of the inner container portion is set above the bottom surface of the outer container portion, and a gap is formed below the bottom surface of the inner container portion. The described double tank container. 8. A container used for a double tank container, wherein the flowerpot is an outer container part having a large diameter, and an inner container part having a small diameter is housed in the flowerpot with an annular gap.