JP3299578B2 - Transport container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for transportation, and more particularly, to a case where a plurality of containers are stacked up and down in a vertical direction and the contents are housed therein, and the container is taller and empty. TECHNICAL FIELD The present invention relates to a transport container that can be stacked in multiple stages while keeping its height short in a folded state.

[0002]

2. Description of the Related Art A synthetic resin transport container (container), which is widely used for storing and transporting foods and other products, is used to store contents therein and stack it in multiple stages. In some cases, the stacking is performed with the height raised (hereinafter, referred to as stacking), and when the inside becomes empty, the stacking is performed with the height lowered (hereinafter, referred to as nesting).

[0003] This type of transport container is generally called an SN container, and has the advantage that it does not become bulky when not in use and contains no contents. As a transport container of this type, the applicant has previously proposed a Japanese Utility Model Application No. 2-49819 (Japanese Utility Model Application Laid-Open No. 4-1015) as shown in FIG.

That is, the container body 1 of the transport container has a bottom plate portion 2 and four side wall portions 3 erected from the periphery of the bottom plate portion 3.
It is formed in a box shape opened upward from 4, 5, and 6. Each of the side wall portions 3, 4, 5, 6 is formed so as to gradually expand outward toward the upper free end, and flange portions 3a, 4a, 5a, 6a are integrally formed on the opening edges thereof. It is formed continuously.

[0005] At the lower portion of the outer surface of one of the side walls 4 on the longitudinal side,
The supporting legs 7 and 8 are formed to protrude. These legs 7, 8 are formed in different shapes, that is, the width of the legs 8 is wider than the width of the legs 7. Further, a bottom plate portion 2 is provided on an upper portion of the inner surface of the side wall portion 3 facing the side wall portion 4.
Pocket portions 9 and 10 into which the support legs 7 and 8 can be respectively fitted are formed at positions symmetrical to the support legs 7 and 8 with respect to the center point O of the center.

On the outer surface of the other side wall 3 on the longitudinal side, supporting legs 7 and 8 are formed in the same manner as in the case of the side wall 4, and on the inner surface of the side wall 4, similarly to the side wall 3. Pocket portions 9 and 10 are respectively formed.

On the other hand, on the lower portion of the outer surface of the side wall 5 on the short side,
The support legs 11 are formed to protrude. In addition, on the upper part of the inner surface of the other side wall 6 opposite to the side wall 5,
Pocket portions 12, 12 into which the support legs 11, 11 can be respectively fitted are formed at positions symmetrical with the support legs 11, 11 about the center point O of the bottom plate 2.

[0008] Further, similar to the case of the side wall 5, the supporting legs 13, 13 are provided on the lower portion of the outer surface of the other side wall 6 on the short side.
Are formed on the inner surface of the side wall 5 opposite to the side wall 6 at positions symmetrical with the legs 13, 13 about the center point O of the bottom plate 2.
3 into which pocket portions 14 can be fitted.

The support legs 11, 11 on the side wall 5 are provided.
The space between the support legs 13 is larger than the space between the support legs 13 in the side wall portion 6. This gives 2
When the two container bodies 1 are vertically overlapped in the same direction, the side walls 3, 4, 5, 5 of the container body 1 located above
6, each of the legs 7, 8, 11, 13 formed at the lower portion of the outer surface
Are located on the side walls 3, 4, 5,.
The upper end 6 is located on each of the flange portions 3a, 4a, 5a, 6a, and is in a stacking state.

On the other hand, when the two container bodies 1 are overlapped with each other in different directions, that is, one container body 1 is rotated by 180 ° with respect to the other container body 1 in the up-down direction, the container located above Each side wall part 3, 4, 5, of body 1
6, each of the legs 7, 8, 11, 13 formed at the lower portion of the outer surface
Are the side walls 3, 4, 5, and 5 of the container body 1 located below.
6, each pocket portion 9, 10, 12,
14, that is, the leg 7 is in the pocket 9, the leg 8 is in the pocket 10, the leg 11 is in the pocket 12, and the leg 13 is in the pocket 14. It is in a nesting state.

[0011]

However, in the above-mentioned conventional example, when the width W of the container body 1 is reduced, the length of the short side walls 5 and 6 is reduced, and the length of the support leg and the pocket is reduced. There is less space to install this, and this installation part reaches the center more. For this reason, if a handle is provided at the center of the side walls 5 and 6 or if a uniform card mounting surface is to be provided, the unevenness due to the support legs and pockets provided here will be an obstacle. It has been found that it is no longer possible to form a handle part having a sufficient length or a card mounting surface having a sufficient width to allow a hand to be inserted.

In order to prevent this, it is conceivable to reduce the width of the support leg and the pocket, but the narrower the width of the support leg and the pocket, the weaker the strength of the support leg. At present, there is a certain limit to the width of the support leg and the pocket in order to have a predetermined strength.

That is, particularly in FIG. 6, when it is attempted to form a pocket portion and a card mounting surface on the side wall 5, the protrusions formed by the pockets 14 hinder the length of the pocket portion and the width of the card mounting surface. However, the length of the container body 1 is limited to the length sandwiched by the convex portions, and the width of the support leg portion 11 and the pocket portion 14 cannot be reduced. It is impossible to form a sufficiently long pocket portion and a sufficiently wide card mounting surface.

[0014] In view of the above, the present invention can perform stable stacking and nesting, and even if the width of the container body is reduced, the container can have a sufficient length by avoiding irregularities due to the presence of the supporting legs and pockets. An object of the present invention is to provide a card mounting surface having a handle or an area and having sufficient strength as a support leg.

[0015]

In order to achieve the above-mentioned object, a transport container according to the present invention comprises a supporting portion at a lower portion of an outer surface of a side wall portion of a container body having a flange portion at an opening edge, and a supporting portion at an upper portion of an inner surface. And a pocket portion is provided at a point symmetrical position with respect to each other, and when the container main body is overlapped in one direction, the support leg of the upper container main body is located on the flange portion of the lower container main body and overlapped in the other direction. Short sides facing each other in a transport container in which the legs of the upper container body are immersed in the pockets of the lower container body when combined
Handle portion is provided at the upper portion of the side wall portion of the to face each other
Beneath the handle provided on one side wall on the short side
Is provided at a lower portion of an outer surface of the side wall portion, the support leg portion is formed in a continuous shape in a rectangular frame shape, is disposed at a central portion of the side wall portion, and the support leg portion is provided at a lower portion of an outer surface of the other side wall portion. Are arranged on both side portions of the side wall portion, and the pocket portions are formed at point-symmetrical positions on the upper portions of the side wall portions corresponding to the support legs.

[0016]

According to the present invention constructed as described above, the supporting portion provided at the center of the lower portion of the outer surface of one of the side walls opposed to each other and the upper portion of the inner surface corresponding to the supporting portion of the other side wall are provided. The pocket part has a single rectangular shape,
The upper part of the support leg and the inside of the pocket are used as a uniform surface without unevenness due to the support leg and the pocket, and this is used as a handle or a card mounting surface, and the support leg and the corresponding pocket are wide. As a result, it is possible to prevent the strength of the support leg from being reduced.
That is, the width of the container body is reduced, and the short side wall portion is formed.
Install the legs and pockets even if the
Space can be secured. Moreover, legs and pockets
The center of the side wall without unevenness due to the presence of
Provide a handle and provide a uniform card mounting surface
Handle that is long enough to hold
Can form a sufficiently large card mounting surface
it can.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the present embodiment, the container body 21 of the transport container gradually expands upward from the bottom plate portion 22 and the four side wall portions 23, 24, 25, 26 standing from the peripheral edge of the bottom plate portion 22. Each of the side walls 23, 24, 25, 26 is integrally formed with a flange 23a, 24a, 25a, 26a at the upper edge of the opening.

The container body 21 is made of a synthetic resin such as polypropylene or polyethylene.
A pair of support legs 27, 27 protrude from a lower portion of the outer surface of one of the side walls 23 on the longitudinal side opposed to each other, and a pair of support legs 28, 28 protrude from a lower portion of the outer surface of the other outer wall 24, respectively. Have been. These legs 27, 28 have different shapes, that is, the width of the legs 28 is
Is wider than the width of
The distance between 7, 27 is set smaller than the distance between the supporting legs 28, 28.

Further, the side wall 2 opposite to the side wall 23
4, a pair of pockets 29, 29 into which the legs 27, 27 can be respectively fitted at positions symmetrical with the legs 27, 27 about a center point O of the bottom plate 21. However, on the upper surface of the inner wall of the side wall 23 facing the side wall 24, the support legs 2 are located at points symmetrical with respect to the support legs 28, 28 about the center point O of the bottom plate 21.
A pair of pockets 3 into which 8, 28 can be fitted.
0 and 30 are respectively formed.

In this embodiment, an example is shown in which supporting legs having the same width are provided on the outer surface of each side wall. However, as shown in FIG. It is a matter of course that a width supporting leg may be provided, and a pocket portion corresponding to the supporting leg may be provided in the lower portion of the inner surface.

On the other hand, at the lower portion of the outer surface of one of the short side walls 25 facing each other, one leg, which is located at the center of the side wall 25 and is formed in a rectangular frame shape, is formed. A part 31 is provided.

On the upper portion of the inner surface of the other side wall portion 26 on the short side, the support leg portion 3 centered on the center point O of the bottom plate portion 22.
A pocket 32 into which the support leg 31 can be fitted is formed at a point symmetrical position with respect to 1, that is, at the center of the side wall 26.

The upper portion of the pocket portion 32 is formed in an arc shape protruding inward, and a lower frame of the support leg portion 31 is provided with an arc-shaped notch 31a corresponding to the arc shape. ing.

Further, a pair of supporting legs 33, 33 is formed at the left and right positions of the short side other side wall portion 26 on the outer surface lower side with respect to the installation portion of the pocket portion 32.
The bottom plate portion 2 is provided on the upper portion of the inner surface of the side wall portion 25 opposite to the bottom plate portion 6.
Pocket portions 34, 34 into which the support legs 33, 33 can be fitted, respectively, are formed at positions symmetrical with respect to the support legs 33, 33 with respect to the center point O of the center of the second.

A handle 35 communicating with the inside of the container body 1 is provided on each of the short side walls 25 and 26, and a flat card mounting surface is provided below the handle 35 on the side wall 25. The handle 36 is formed, but by increasing the width of the support leg 31 and the pocket 32, the length of the handle 35 is made sufficiently long and the area of the card mounting surface 36 is made sufficiently large. Can be.

That is, in the one side wall portion 25 on the short side, a portion above the support leg portion 31 between the installation portions of the pocket portions 34, 34, and in the other side wall portion 26, a pocket portion Inside the container body 32, a handle 35 communicating with the inside of the container main body 21 and reinforced by a rib 37 is formed with a length extending substantially over the entire length thereof. This is the card mounting surface 36.

Moreover, the support legs 31 and 34 have a sufficient size and sufficient strength, so that the support legs 31 and 34 can be prevented from breaking. Next, how to use the above embodiment will be described.

First, when the stacking state is set, 2
The two container bodies 21 and 21 are vertically overlapped in the same direction. Then, the supporting legs 27, 28, 31, 33 formed at the lower portion of the outer surfaces of the side walls 23, 24, 25, 26 of the container body 21 located above are respectively connected to the side walls 23 of the container body 21 located below. , 24, 25, and 26 are positioned on the respective flange portions 23a, 24a, 25a, and 26a at the upper end to be in a stacking state.

At this time, the card mounting surface 36 is exposed to the outside, and all the side walls 23, 24, 25, and 26 are all in the same direction. Automatic search from the direction can be performed.

When the nesting state is set,
The two container bodies 21 are oriented in different directions from each other, that is, one container body 21
° Lay it up and down while rotating. Then, each side wall part 23, 24, 2 of the container main body 21 located above is
Leg portions 27, 28, 3 formed at the lower portion of the outer surface of
Reference numerals 1 and 33 denote each side wall 2 of the container body 21 located below.
3, 24, 25, 26, the pockets 29, 30, 32, 34 formed on the upper part of the inner surface,
Is immersed in the pocket 29, the support 28 is in the pocket 30, the support 31 is in the pocket 32, and the support 33 is in the pocket 34.

In each of the above-described embodiments, an example is shown in which the container bodies are placed in a stacking state when they are stacked in the same direction, and a nesting state is formed when they are stacked in different directions. Of course, the present invention can be applied to a nesting state when superposed in the same direction and a stacking state when superposed in different directions.

[0032]

As described above, according to the transport container according to the present invention, even if the width of the container body is reduced, the supporting leg provided at the center of the lower outer surface of one of the side walls facing each other. By using the inside of a pocket provided on the inner surface corresponding to the support leg on the upper side of the other side and the other side, a handle or area having a sufficient length is avoided by avoiding unevenness due to the presence of the support leg and the pocket. Having a card mounting surface.

In addition, there is an effect that sufficient strength can be provided as the support leg portion, and stable nesting and stacking can be performed by supporting at least three points.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention as viewed from one side wall portion side on a short side.

FIG. 2 is a perspective view of the other side of the short side as viewed from the side.

FIG. 3 is also a plan view.

FIG. 4 is a longitudinal sectional view showing a main part in a stacking state.

FIG. 5 is a longitudinal sectional view showing a main part in a nesting state.

FIG. 6 is a perspective view showing a conventional example.

[Explanation of symbols]

 21 Container main body 22 Bottom plate 23, 24, 25, 26 Side wall 23a, 24a, 25a, 26a Flange 27, 28, 31, 33 Leg 29, 30, 32, 34 Pocket 35 Handle 36 Card mounting surface

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-2-105825 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) B65D 21/04 B65D 21/02 B65D 49 / 12

Claims (1)

(57) [Claims] 1. A side wall portion of a container body having a flange portion at an opening edge, a supporting leg portion is provided at a lower portion of an outer surface, and a pocket portion is provided at a point symmetrical position with respect to the supporting leg portion at an upper portion of the inner surface. The legs of the upper container body are located on the flanges of the lower container body when they are overlapped with each other, and the legs of the upper container body sink into the pockets of the lower container body when they are overlapped in the other direction. In the transport container, a handle portion is provided at an upper portion of a short side wall portion facing each other.
And provided on one of the side walls on the short side facing each other.
Below the handle, provided below the outer surface of the side wall,
The supporting leg is formed in a continuous shape in a rectangular frame shape and is disposed at the center of the side wall, and the supporting leg provided at the lower portion of the outer surface of the other side wall is disposed on both sides of the side wall. A transport container characterized in that the pocket portion is formed at a point symmetrical position on the upper portion of the side wall portion corresponding to the support leg portion.