JP2000296827A - Container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container being lightweight, and having a sufficient strength, and also easy for disposal. SOLUTION: When a load is applied downward from the upper end of each side surface 2, pressure direction forces effect to the places 2a, curved parts 2b, longitudinal beads 2c and projections 2d of each side surface 2. At this time, strength is added to by the longitudinal bead 2c and projection 2d, each side surface is restrained from being deformed in its plane that is liable to deformation. Also, as loads are applied until deformation occurs in each side surface 2, deformation takes place at the fold line of lateral beads 2d while pushing out the lateral beads 2d outside of the container 1, and further as a loads is applied, sincd deformation is generated so that each side surface 2 is folded inside of the container 1 from the plane 2, the container can easily be crushed during disposal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container used for transporting, for example, fresh cut flowers.

[0002]

2. Description of the Related Art Cut flowers are transported by putting water containing a flower life-promoting agent into a container, immersing the lowermost portion of the flower stem in the water in the container, and using a square cardboard for storing the cut flowers and the container inside. Is common. Heretofore, as a container of this type, a container using a plastic bucket or cardboard and a plastic bag has been known. The plastic bucket can be used repeatedly, and has the advantage that it can be used not only for transporting cut flowers, but also for display at stores. Further, the cardboard and the plastic bag are disposable containers used only for transporting the cut flowers, and are constituted by a plastic bag that assembles the cardboard into a square shape and covers the inside thereof, and has an advantage that there is no labor for collection.

[0003]

However, there is a problem that the plastic bucket needs to be collected after display at the store, and it takes a lot of trouble to reuse the bucket. Further, the corrugated cardboard and the plastic bag have a problem in that they are not suitable for display at a store because of their poor appearance, and require time and effort to disassemble the corrugated cardboard for disposal.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a container which is lightweight, has sufficient strength and is easy to dispose.

[0005]

In order to achieve the above object, according to the present invention, in a container having a bottom portion and a plurality of side portions, and having an open top surface, each of the side portions has a vertical direction. , And at least one ridge extending in the left-right direction of each of the side surfaces. Thereby, the strength of each side surface is increased by the ridge portion extending in the vertical direction, so that the deformation of each side surface portion when a downward load is applied to the upper opening of the container is suppressed. In addition, when a large load is applied to crush the container, the deformation of each side surface portion starts from the ridge in the left-right direction, and subsequently, the portion having the ridge in the up-down direction is deformed.

According to a second aspect of the present invention, in the container according to the first aspect, an outwardly extending flange is provided at an upper end of each of the side surfaces. Thereby, in addition to the effect of claim 1,
When a force is applied to the container from the outside, the deformation of the opening is suppressed by the flanges on each side.

According to a third aspect of the present invention, in the container according to the first or second aspect, a protruding portion having a predetermined length in the direction of the bottom surface portion is provided at an upper end corner of each of the side surfaces. Thereby, in addition to the operation of the first or second aspect, when an external force acts on the container, the deformation of the opening is suppressed by each projection.

According to a fourth aspect of the present invention, in the container according to the first, second or third aspect, the width in the left-right direction of each of the side surfaces is formed so that the bottom surface side is gradually smaller than the top surface side. The width of the protruding ridge portion is formed so that the bottom portion side becomes gradually larger than the upper surface side. Thereby, in addition to the effect of the first, second, or third aspect, each side surface has uniform strength from the opening to the bottom.

According to a fifth aspect of the present invention, in the container according to the first, second, third or fourth aspect, a polygonal cross section is formed above a predetermined position in the vertical direction of each of the side portions, and the predetermined shape of each side portion is formed. The lower part from the position is formed in a circular cross section. Accordingly, in addition to the operation of the first, second, third or fourth aspect, the side portion has a uniform strength below the predetermined position. In addition, when a large load is applied to crush the container, the deformation of each side portion starts from a predetermined position of the side portion.

According to claim 6, claims 1, 2, 3,
6. The container according to 4 or 5, wherein the container is formed of a mixture of a polyolefin resin and an inorganic substance.
Thereby, in addition to the effect of the first, second, third, fourth or fifth aspect, it is possible to reduce the generated heat calories at the time of burning the container.

[0011]

1 to 5 show an embodiment of the container of the present invention. FIG. 1 is a perspective view of the container, FIG. 2 is a front view of the container, and FIGS. It is operation | movement explanatory drawing at the time of crushing.

The container 1 is formed of a mixture of a polyolefin type resin and calcium carbonate, and comprises a total of four side surfaces 2 and a bottom surface 3. The upper opening is used for taking in and out of water and cut flowers, and stores water and cut flowers therein.

Each side portion 2 includes a flat portion 2a, a curved portion 2b, a vertical bead 2c, a horizontal bead 2d, a projecting portion 2e, and a flange 2.
f, each side surface portion 2 is inclined with respect to the vertical plane, and the width in the left-right direction is formed such that the bottom side is gradually smaller than the top side. The plane portion 2a is located above each side surface portion 2, and a cross section formed by the plane portion 2a of each side surface portion 2 is formed in a quadrangle. The curved surface portion 2b is located on the bottom surface side of each side surface portion 2, and the cross section formed by the curved surface portion 2b of each side surface portion 2 is circular. The vertical bead 2c forms a protruding ridge extending in the vertical direction of each side surface portion 2 and is formed so that the width of the lower side is gradually larger than that of the upper side, and is provided at the center portion of each side surface portion and the left and right end portions. I have. The vertical bead 2c at the center of each side portion is provided continuously from the upper end of each side portion 2 to the bottom portion 3, and the vertical bead 2c at the left and right ends is provided continuously from the lower end of the protruding portion 2d to the bottom portion 3. Can be The horizontal bead 2d is
Each side portion 2 is provided between the flat portion 2a and the curved portion 2b.
Are formed so as to extend in the left-right direction and project outside the container 1. The protruding portions 2d are provided at portions adjacent to each other at the upper end portions of the side surface portions 2 and are formed so as to protrude in a fan-shaped cross section in the thickness direction of the side surface portions 2. That is, the adjacent part of each side part 2 is formed so that the upper part is continuous with the protruding part 2d and the lower part is continuous with the vertical bead 2c of the ridge part. The flange 2f extends from the upper end of each side surface portion 2 toward the outside of the container 1, and comes into contact with the inside of the cardboard box, for example, when housed in a rectangular cardboard box for carrying cut flowers.

The bottom surface portion 3 is a circular flat surface, and is provided continuously with the curved surface portion 2b and the vertical bead 2c of each side surface portion 2.

In the above configuration, when a load is applied downward from the upper end of each side surface portion 2, the flat portion 2a, curved surface portion 2b, vertical bead 2c and protrusion 2d of each side surface portion 2 are compressed. Force acts. At this time, since the strength is increased by the vertical beads 2c and the protruding portions 2d, the deformation of the planar side surfaces 2 that are likely to be deformed is suppressed. Further, since the lower portion of each side surface portion 2 is formed by the curved surface portion 2b having a circular cross section, a downward force is uniformly applied to the curved surface portion 2b,
Stress concentration is avoided. Furthermore, since the vertical bead 2c is formed gradually larger downward, each side portion 2 has a uniform strength from the opening side to the bottom portion 3 side, and concentration of stress can be avoided. Also, when a load is applied to each side portion 2 from the inside of the container 1, the vertical beads 2c and the horizontal beads 2c
By providing d, the strength of each side surface portion 2 is increased, so that the deformation of each planar side surface portion 2 that is likely to be deformed is suppressed. Further, when a torsional force or a lateral load is applied to the container 1, the deformation of the opening is suppressed by the protrusion 2 d and the flange 2 f provided around the opening of the container 1. Further, since the protruding portion 2d and the vertical bead 2c are formed between the side portions 2, there is no acute angle portion adjacent to each side portion 2, and the stress at the adjacent portions between the side portions 2 is reduced. Concentration is avoided.

Next, a method for crushing the container 1 used for storing cut flowers by applying a load downward from the upper end of each side portion 2 will be described.

The strength of each side part 2 when a load is applied downward from the upper end of each side part 2 is as described above, but a load is further applied until each side part 2 is deformed. Here, each lateral bead 2d is a ridge extending in the left-right direction of the side surface portion 2 and has a lower rigidity in the vertical compression direction than other portions.
Deformation occurs in which the horizontal bead 2d becomes a fold while being pushed outward. When a load is further applied, a deformation occurs in which each side surface portion 2 is bent inward from the plane portion 2a as shown in FIG. 4 and the container 1 is crushed as shown in FIG. In this series of operations, as described above, the protrusion 2
Since the deformation of the opening of the container 1 is suppressed by the d and the flange 2f, no deformation occurs at the upper end of each side surface portion 2.

Further, since the container 1 is made of a mixture of the polyolefin-type resin and calcium carbonate, the calorific value is suppressed and melting and dropping do not occur, so that the combustion efficiency is good and the incinerator is not damaged.

As described above, according to the container of the present embodiment,
A vertical bead 2c, a protruding portion 2d, and a flange 2f are provided on each side surface portion 2.
Is provided, the strength of the container 1 can be greatly increased, and the weight of the container can be reduced by using a thin material.

The upper portion of each side portion 2 is formed in a rectangular cross section, the lower portion is formed in a circular cross section, and a lateral bead 2d extending in the left and right direction of each side portion 2 is provided. Since a deformation is generated from the horizontal bead 2d when a large downward force is applied, the container 1 can always be crushed into almost the same shape, which is extremely advantageous in treating the container 1 after use.

Further, since the protruding portion 2d and the flange 2f are provided on each side portion 2, the container 1 can be crushed while maintaining the shape of the opening, and an external load is applied to the upper end of each side portion 2. Is easy to add.

Further, since the raw material of the container 1 is formed of a mixture of a polyolefin resin and calcium carbonate,
The used container 1 can be handled as combustible waste, and the container 1 can be easily processed.

In this embodiment, the upper surface of the container 1 has a square shape. However, if the shape is polygonal, the same effects as those of this embodiment can be obtained.

[0024]

As described above, according to the container of the first aspect, since the strength of the container can be increased, the thickness of the container material can be reduced and the weight of the container can be reduced.
Further, since the container can be easily crushed, the disposal of the container is facilitated, which is extremely advantageous in treating the container after use.

According to the containers of the second and third aspects, in addition to the effect of the first aspect, the strength of the opening of the container can be increased, which further reduces the thickness of the container material and the weight of the container. It is effective. Further, when the container is crushed, the shape of the opening can be maintained even when a load is applied downward from the upper end of each side surface portion, and the container can be easily crushed.

According to the container of the fourth aspect, in addition to the effect of the first, second, or third aspect, the strength of each side portion can be made uniform and the strength of the entire container can be increased. It is more effective in reducing the thickness and the weight of the container.

According to the container of the fifth aspect, in addition to the effects of the first, second, third or fourth aspect, the strength of the bottom side of each side is made uniform, and the strength of the bottom side of each side is obtained. Can be increased, which is more effective in reducing the thickness of the container material and the weight of the container. Further, since the container can always be crushed so as to have substantially the same shape, it is further advantageous in treating the container after use.

According to the container of the sixth aspect, in addition to the effects of the first, second, third, fourth or fifth aspect, the container can be handled as combustible waste, which is further advantageous in treating the used container. Become.

[Brief description of the drawings]

FIG. 1 is a perspective view of a container showing one embodiment of the present invention.

FIG. 2 is a front view of the container.

FIG. 3 is an explanatory diagram of an operation when a container is crushed.

FIG. 4 is an explanatory diagram of an operation when a container is crushed.

FIG. 5 is an explanatory diagram of an operation when a container is crushed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Container, 2 ... Side part, 2a ... Flat part, 2b ... Curved surface part,
2c: vertical bead, 2d: horizontal bead, 2e: protrusion, 2f
... Flange, 3 ... Bottom part.

Claims (6)

[Claims] 1. A container having a bottom surface portion and a plurality of side surface portions and having an open top surface, wherein each side surface portion has at least one ridge extending vertically and at least one ridge extending in the left-right direction of each side portion. A container characterized by having two ridges. 2. The container according to claim 1, wherein an outwardly extending flange is provided at an upper end of each of the side portions. 3. A projection having a predetermined length in the direction of the bottom surface and projecting in the thickness direction of the side surface portion is provided at the upper end corner of each side surface portion. The container as described. 4. The width of each of the side portions in the left-right direction is formed such that the bottom portion side is gradually smaller than the upper surface side, and the width of the ridge portion extending in the up-down direction is gradually smaller on the bottom portion side than the upper surface side. 4. The container according to claim 1, wherein the container is formed to be large. 5. A cross-section polygon is formed above a predetermined position in the vertical direction of each side surface portion, and a circular cross-section is formed below the predetermined position of each side surface portion from the predetermined position. 5. The container according to 2, 3 or 4. 6. The container according to claim 1, wherein the container is formed of a mixture of a polyolefin resin and an inorganic substance.