JP2000238886A - Self-supporting container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a container which can self support in its main body when storing contents therein, while making the best use of the advantage of the baglike container. SOLUTION: A self-supporting container comprises a main body 2 formed of a flexible sheet cylindrically, having a bottom 3 on the lower side and an opening 4 on the upper side, and foldable flat when not in use, and a lid 5 formed of a flexible sheet which is provided over the opening 4 of the main body 2 so that it can be opened/closed. The container further comprises an air beam 17 which comprises a hollow ring 18 provided along the open edge 6 of the main body 2 and hollow supports 19 integrated with the hollow ring 18 and extending almost vertically along the sidewall of the main body 2 and which self-supports the main body 2 by filling the hollow ring 18 and the hollow supports 19 with air.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a free-standing container suitable for containing and transporting powders and granules, for example, cereals, pellets, fertilizers, feeds, and the like.

[0002]

2. Description of the Related Art For example, grains, raw materials in the form of pellets, fertilizers,
The granular material such as feed is packed in a cloth or paper bag, for example, by 10 to 20 kg, and is loaded together with the bag on a carrier such as a truck during transportation.
A bag-shaped container is used to carry the powder (500 to 1000 kg).

[0003] This bag-shaped container is, for example, a flat-opened flat 6
-30093 and Japanese Utility Model Laid-Open No. 6-71494. This bag-shaped container has a main body formed into a cylindrical shape or a rectangular tube shape by a flexible sheet made of cotton or synthetic fiber, and a lid formed by a flexible sheet of the same material as the main body is tied to the upper opening. It is provided so that it can be opened and closed.

[0004] The bag-shaped container thus configured is
It can be folded flat when not in use, saves space for storage, and is lightweight, making it convenient to carry. Therefore, the contents can be stored and transported to the destination, and after discharging the contents at the destination, the container can be folded back compactly, which is convenient without being bulky.

[0005] In agriculture producing rice and wheat,
When harvesting in the fields and threshing the cereals as they are in the field and packing the cereals in bag-shaped containers, there is no need for labor when transporting the containers to the fields, and the containers packed with cereals can be stored in large quantities and tractors and trucks can be used. Can be loaded on.

[0006]

However, a bag-shaped container cannot stand alone because its main body is formed of a flexible sheet. That is, it is in a crushed state unless it is held upward by holding the opening edge of the main body,
When storing powders such as cereals, a helper is required,
In addition, if the main body is not pulled up in accommodating the powder and granules, the peripheral wall of the main body remains folded on the bottom. Therefore, the bag-shaped container is self-supporting in a state in which the contents are stored, but has a problem that it takes a lot of effort to store the contents.

The present invention has been made in view of the above circumstances. It is an object of the present invention to make use of the advantages of a bag-shaped container while allowing the container body to be self-standing when storing the contents in the container. It is an object of the present invention to provide a self-contained container that can be easily stored and can easily contain contents without the help of an assistant.

[0008]

According to the present invention, in order to achieve the above object, a first aspect of the present invention is formed in a tubular shape by a flexible sheet, has a bottom portion at a lower portion, and has an opening portion at an upper portion, A body that can be folded flat when not in use,
A lid made of a flexible sheet openably and closably provided at an opening of the main body, a hollow annular portion provided along an opening edge of the main body, and a side wall of the main body provided integrally with the hollow annular portion; A plurality of hollow support portions extending in a substantially vertical direction along the air, and an air beam for self-supporting the main body by filling the hollow annular portion and the hollow support portions with air. In the expression container.

According to a second aspect of the present invention, a wrap portion surrounding the hollow annular portion of the air beam is provided at an opening edge of the main body of the first aspect, and an insertion portion for inserting the hollow support portion is provided on a side wall of the main body. It is characterized by having.

A third aspect of the present invention is characterized in that the bottom of the main body according to the first aspect has an outlet capable of discharging the contents, and the outlet can be closed by a drawstring.

According to the first aspect, when air is supplied to the air beam when the content is stored in the main body and the air is supplied to the air beam, the hollow annular portion and the hollow support portion are simultaneously filled with air and expanded. . Therefore, the hollow annular portion becomes annular and enlarges the diameter of the opening edge of the main body, and the hollow support portion rises substantially vertically, and this hollow support portion reinforces the side wall of the main body and becomes self-supporting in a cylindrical shape.

When the contents such as cereals are stored from the opening of the main body, the side walls are pressed in the outer peripheral direction by the contents and the main body becomes independent. Therefore, when the contents are stored and transported, the air beam filled with the air beam is used. By extracting the, the package can be made smaller.

According to the second aspect, since the hollow annular portion of the air beam is wrapped by the wrapping portion and the hollow support portion is covered by the insertion portion, breakage of the air beam can be prevented.

According to the third aspect, when the main body is suspended and the contents are discharged, the purse string is loosened so that the contents are pushed out by its own weight to discharge the contents.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of the self-standing container in a self-standing state, FIG. 2 is a perspective view showing the bottom of the main body, FIG. 3 (a) is an exploded view of the main body, and (b) is a cross-sectional view taken along line AA. , (C) is B
FIG. 4 is a perspective view of the air beam, FIGS. 5A and 5B are perspective views showing a process of standing up from a folded state, and FIG. 6 is a perspective view of a state in which a container is lifted. It is.

As shown in FIG. 1, a free-standing container 1 is
For example, a cylindrical main body 2, a disk-shaped bottom 3 provided at a lower part of the main body 2, a disk-shaped lid 5 capable of opening and closing an opening 4 provided at an upper part of the main body 2, and an air described later Beam 1
7 is comprised.

As shown in FIG. 3, the main body 2, the bottom 3 and the lid 5 are formed of a flexible sheet of, for example, cotton, synthetic fiber or the like. Is formed into a cylindrical shape by sewing the seam allowance 2a. The bottom portion 3 constitutes the bottom portion 3 of the main body 2 by sewing a seam allowance 3a at the outer peripheral edge thereof to a seam allowance 2b at the lower opening edge portion of the main body 2. The seam allowance 6a at the opening edge 6 of the main body 2 and the seam allowance 5a at the outer peripheral edge of the lid 5 are joined by two fasteners 8 except for one fixed portion 7.

Further, the sewn portion between the main body 2 and the bottom portion 3 is reinforced by bead stitching by wrapping an annular glass fiber rod 9, but the glass fiber rod 9 may be omitted. A discharge port 10 is provided at a substantially central portion of the bottom 3. The outlet 10 has a plurality of triangular tongues 11 formed in the bottom 3 by, for example, cutting in a cross shape, and these tongues 11 are joined by a purse string 12. Further, a cylindrical discharge tube portion 13 is sewn on a fold 11a of the tongue member 11 formed when the plurality of tongue members 11 are hung below the bottom portion 3, and the discharge tube portion 13 is sewn. Drawstring 14 is also provided. Therefore, tongue piece 1
The discharge port 10 can be closed by pressing the drawstring 1 and the discharge tube portion 13 into the inside of the main body 2 and narrowing the drawstrings 12 and 14.

The opening edge 6 of the main body 2 is provided with a wrapping portion 15 having an annular surface fastener 15a over the entire periphery thereof. A plurality of cylindrical insertion portions 16 are provided in the direction. The wrapping portion 15 and the insertion portion 16 are formed of the same material as the main body 2, are sewn to the main body 2, and the insertion portion 16 extends to the bottom 3.

An air beam 17 is inserted through the wrapping portion 15 and the insertion portion 16. That is, as shown in FIG. 4, the air beam 17 is formed of a flexible synthetic resin material such as a PVC film, has a cylindrical shape, and is formed into a cylindrical shape by being wrapped in the wrapping portion 15. It comprises a plurality of hollow support portions 19 provided integrally with the hollow annular portion 18 and wrapped by the insertion portion 16. An air supply port 20 for supplying air is provided in a part of the hollow annular portion 18, and the air supply port 20 is provided in an opening 2 provided in a part of the wrapping part 15.
1 protrudes outside.

Further, a plurality of suspension belts 22 sewn to the main body 2 are provided at the upper edge of the main body 2 located between the insertion portions 16. This hanging belt 2
Numeral 2 is firmly fixed to the main body 2 by the reinforcing cloth 23, and passes between the main body 2 and the wrapping portion 15 and protrudes above the opening edge 6. The suspension belt 22 is provided with a suspension rope passing portion 24.

Next, the operation of the self-standing container 1 configured as described above will be described.

As shown in FIG. 5 (a), the self-standing container 1 is in a flat and crushed state because the air in the air beam 17 is evacuated when not in use. Are also flattened. Then, the side wall of the main body 2 is folded inward, and the lid 5 overlaps the bottom 3 to form a flat shape. Therefore, it is easy to carry, has a small storage space, and is convenient for transportation.

When the self-contained container 1 is used, that is, the main body 2
When accommodating powdery or granular material such as cereals in the inside, first, an air supply device such as an air supply is connected to the air supply port 20 of the air beam 17 to supply air. Air is simultaneously supplied to 18 and the hollow support portion 19 to expand. Accordingly, as shown in FIG. 5B, the hollow annular portion 18 expands in a ring shape, and the opening edge 6 of the main body 2 is expanded in a ring shape. Further, the hollow support portion 19 expands into a straight tubular shape, and the side wall portion of the main body 2 rises to make the main body 2 cylindrical.

Therefore, since the main body 2 stands upright on the floor surface, there is no need for the operator to hold the opening edge 6 of the main body 2 by hand. The lid 5 can be fully opened by the two fasteners 8. At this time, the outlet 10
Is squeezed and closed by the drawstrings 12 and 14, so that a granular material such as cereals can be accommodated from the opening 4.

When the granular material is accommodated in the main body 2, the side wall of the main body 2 is pressed outward by the pressing force of the weight of the granular material.
The main body 2 is maintained in a stable state even when the air is exhausted from the hollow annular portion 18 and the hollow support portion 19 of FIG. Finally, the opening 4 is closed by closing the two fasteners 8.
Can be closed.

In addition, the self-standing container 1 containing the granular material
Is loaded on a carrier such as a truck or the powdery material in the free-standing container 1 is discharged, as shown in FIG. Tie the end of the rope 25 to form a loop,
The loop can be lifted through a forklift fork.

When discharging the granular material in the free-standing container 1, the drawstrings 12, 14 provided at the discharge port 10 in the bottom portion 3 of the main body 2 are loosened, and the discharge cylinder 13 is pulled out downward. As a result, the granular material is discharged from the discharge cylinder 13 by its own weight.

According to the above-described embodiment, the case where the main body 2 is cylindrical has been described. However, the main body 2 may be rectangular or polygonal cylindrical, and the lid 5 is not limited to being opened and closed by the fastener 8. You may make it bind with a drawstring string.

[0031]

As described above, according to the present invention, a bag-like container which is folded flat when not in use, is easy to carry, has a small storage space, and is convenient for transportation. While storing the contents in the container, the container body can be made independent, taking advantage of the advantage of the above, and there is an effect that the work of storing the contents can be easily performed without the help of an assistant. .

[Brief description of the drawings]

FIG. 1 is a perspective view of a self-standing container according to a first embodiment of the present invention in a self-standing state.

FIG. 2 is an exemplary perspective view showing a bottom portion of the main body according to the embodiment;

FIG. 3 shows the same embodiment, (a) is a development view of a main body,
(B) is sectional drawing which follows the AA line, (c) is sectional drawing which follows the BB line.

FIG. 4 is a perspective view of an air beam showing the embodiment.

FIGS. 5A and 5B show the same embodiment, and FIGS. 5A and 5B are perspective views showing a process of becoming independent from a folded state. FIGS.

FIG. 6 is an exemplary perspective view showing a state where the container is lifted;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Self-standing container 2 ... Main body 3 ... Bottom 4 ... Opening 5 ... Lid 6 ... Opening edge 15 ... Envelope 16 ... Insertion part 17 ... Air beam 18 ... Hollow annular part 19 ... Hollow support part

Claims (3)

[Claims] 1. A main body which is formed in a tubular shape by a flexible sheet, has a bottom portion at a lower portion, has an opening at an upper portion, and can be folded flat when not in use, and can be opened and closed at an opening portion of the main body. A cover made of a provided flexible sheet, a hollow annular portion provided along an opening edge of the main body, and a plurality of the plurality of integrally provided with the hollow annular portion and extending in a substantially vertical direction along a side wall of the main body. A self-supporting container, comprising: a hollow support portion for the book; and an air beam for self-supporting the main body by filling the hollow annular portion and the hollow support portion with air. 2. A wrap portion surrounding the hollow annular portion of the air beam is provided at an opening edge of the main body, and an insertion portion for inserting the hollow support portion is provided on a side wall of the main body. A self-contained container according to claim 1. 3. The self-contained container according to claim 1, wherein the bottom of the main body has an outlet capable of discharging the contents, and the outlet can be closed by a drawstring.