JP2002104417A - Expandable vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contract a vessel of variable capacity to reduce the volume when shipping and disposing of the vessel, and to expand the vessel when eating the content. SOLUTION: A recessed groove between a raised cylinder 4 formed by raising a center part of a bottom plate 3 for closing a lower surface of a peripheral wall 2 to a substantially equal level and the peripheral wall 2 is formed to be a large capacity chamber 5, and an upper surface of the raised cylinder is recessed to form a first small capacity chamber 6. By pressing the small capacity chamber 6 downwardly, the bottom plate 3 is downwardly and elastically inverted, and the bottom plate part except the first small capacity chamber 6 forms a peripheral wall continuously integrated with a lower end of the peripheral wall 2. A center part of a lid body 9 for closing an upper surface of the peripheral wall 2 is raised to form a second small capacity chamber 10 facing downwardly and having an opening in a lower surface, and the lid body 9 is connected to the peripheral wall 2 in an opening/closing manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a telescopic container for storing natto, instant foods, and other articles.

[0002]

2. Description of the Related Art For example, as shown in Japanese Utility Model Laid-Open No. 2-45913, a cup-shaped container for storing food is well known. Also, a natto container in which a natto and another bag containing a sauce and mustard are stored in a cup-shaped container is well known.

[0003]

In the case of a container represented by the above-mentioned known examples, the size of the container is determined based on the ease of eating and the like. However, the volume is bulky and the transportation efficiency is low. In addition, it is troublesome to crush the container, so that it has become bulky as waste. Furthermore, in the case of a natto container, it is necessary to open another bag and mix it with natto, which is troublesome, and sometimes requires mustard or the like to adhere when opened.

The present invention makes it possible to reduce the volume as much as possible at the time of transportation and disposal and to increase the volume at the time of use by making the container flexible so as to have a variable capacity. By reducing the bulk as much as possible, it is intended to improve transport efficiency, waste discharge and collection efficiency.

[0005]

As a first means, a concave portion between a raised cylinder 4 and a peripheral wall 2 formed by raising a part of a bottom plate 3 for closing the lower surface of the peripheral wall 2 at substantially the same height as the upper surface of the peripheral wall. A groove is formed in the large-capacity chamber 5 and the upper surface of the raised cylinder is recessed to form a first small-capacity chamber 6. By pressing the small-capacity chamber 6 downward, the bottom plate 3 is elastically inverted downward. The bottom plate portion except for the first small capacity chamber 6 is provided so as to form an integral peripheral wall continuously with the lower end of the peripheral wall 2.

As a second means, there is provided a first means, and a part of a lid body 9 for closing the upper surface of the peripheral wall 2 is raised to form a downward second small volume chamber 10 having a lower surface opening. The body 9 is openably and closably connected to the peripheral wall 2, and the upper surface of the large-capacity chamber 5 including the upper surface of the first small-capacity chamber 6 and the second small-capacity chamber 1.
0 and each of the lower surfaces were closed with a thin film material 11.

As a third means, a plurality of overlapping peripheral wall portions 21 are formed by folding the peripheral wall 20 downward at a plurality of positions having different heights.
By pressing the bottom plate 22 that closes the lower surface of the peripheral wall 20 downward, the overlapping peripheral wall portion 21 is formed so as to be elastically reversible in a downwardly expanding shape.

As a fourth means, there is provided the first, second or third means, and the peripheral walls 2, 20 are formed in a tapered cylinder having a small diameter at the lower side.

[0009]

1 to 4 show a first embodiment of a telescopic container according to the present invention. 1 and 2, reference numeral 1 denotes a container body, which is a raised cylinder 4 which protrudes a central portion of a bottom plate 3 which closes a lower surface of a peripheral wall 2 to almost the same height as an upper surface of the peripheral wall.
Is formed, the concave groove formed between the outer surface of the raised cylinder and the inner surface of the peripheral wall 2 is formed in the large capacity chamber 5.

The upper surface of the raised cylinder 4 is formed in the first small volume chamber 6 by being recessed into the upper part of the cylinder. An outward flange 7 is provided at the upper end of the peripheral wall 2. Further, the bottom plate 3 is the first
When the small volume chamber 6 is pushed downward, it is elastically inverted.
As indicated by the dashed line, the bottom plate except for the small volume chamber is the peripheral wall 2.
A peripheral wall integral with the lower end is provided so as to be formed.

Reference numeral 8 denotes a lid, which is mounted on the outward flange 7 and raises a central portion of a lid 9 for closing the upper surface of the peripheral wall 2 so as to raise the first portion.
A second small-capacity chamber 10 having a diameter larger than that of the small-capacity chamber 6 and facing downward on the lower surface is formed. Then, the lid 9 is connected to the outward flange 7 via a thin hinge so as to be freely opened and closed. Furthermore, the first
Each of the upper surface of the large-capacity chamber 5 and the lower surface of the second small-capacity chamber 10 including the upper surface of the small-capacity chamber 6 is closed with a thin film material 11 such as a film or a sheet. The sticking time of the thin film material 11 will be described later.

FIG. 4 shows a modification of FIG. 1, in which the first small capacity chamber 6 is divided into two by a partition 6a to form two chambers.
By doing so, the second small capacity chamber 10 provided in the lid 9 is formed.
May be omitted.

[0013] As the food stored in the container, natto, instant food and the like are representative. When used as a natto container, natto is stored in the large-capacity chamber 5, the sauce is stored in the first small-capacity chamber 6, and the mustard is stored in the second small-capacity chamber 10, respectively. When the first small-capacity chamber 6 is formed in two chambers as shown in FIG. 4, the lean is stored in one chamber and the mustard is stored in the other chamber. When used as an instant food storage container, for example, food to be heated by a microwave oven or the like is stored in the large-capacity chamber 5, juice or the like is stored in the first small-capacity chamber 6, and seasonings or the like are stored in the second small-capacity chamber 10. , Each housed. In addition,
Of course, disposable materials other than food can be stored.

Next, the operation of the present embodiment will be described.
FIG. 1 shows a state at the time of shipment, and a case where it is used as a natto container will be described. After the fermentation of natto has progressed to some extent, the large-capacity chamber 5 and the like are closed with the thin film material 11, and then the lid 8
Close the upper surface of the peripheral wall 2 with. Shipment is performed in this state.

When eating, the lid 8 is opened and the thin film material 11 is opened.
Then, the bottom wall of the first small capacity chamber 6 may be pushed downward with chopsticks or the like, and then the bottom plate is elastically inverted downward as shown in FIG. An integral peripheral wall which is continuous with the lower end of the peripheral wall 2 is formed, and at the same time, the sauce is mixed with the natto in the container, so that it may be mixed to make the sticky sticky.

To dispose, the elongated bottom plate may be pushed upward, and the bottom plate is elastically inverted upward and returns to the original shape shown in FIGS. Discard is performed in this state.

FIGS. 5 to 8 show a second embodiment of the telescopic container according to the present invention. Reference numeral 20 denotes a peripheral wall which is formed in a tapered cylinder having a small diameter at the lower side and which is folded downward and outward at a plurality of, usually two positions having different heights to form a plurality of overlapping peripheral wall portions 2.
Form one. Then, the bottom plate 2 for closing the lower surface of the peripheral wall 20
By pushing 2 downward, the overlapping peripheral wall portion 21 is formed so as to be elastically reversible so as to expand downward. The upper surface of the peripheral wall 20 is closed by a thin film material 23 such as a film or a sheet. The sticking time of the thin film material will be described later.

In the above description, the peripheral wall 20 is formed in a tapered cylinder having a small diameter at the lower side and is folded downward and outward. However, the present invention is not limited to this, and the peripheral wall is formed as a tapered cylinder having a large diameter at the bottom and folded downward and inward. Is also good. In a conventional natto container, a medium film is provided in the container, but this is not necessary in the present invention.
This is because the container is in a contracted state and the internal space is small.

Next, the operation of the present embodiment will be described.
The case of using as a natto container will be described. In order to store the natto, the upper surface of the tapered peripheral wall shown in FIG. 5 may be pushed down. Then, as shown in FIG. Become. Next, as shown in FIG. 7, natto is stored in a container in a contracted state, and after fermentation of natto has progressed to some extent, the upper surface of the peripheral wall is closed with a thin film material 23. Shipment is performed in this state.

In order to eat natto, after peeling off the thin film material 23, the bottom plate 22 may be pressed down with chopsticks or the like, and as shown in FIG. 8, each overlapped peripheral wall portion 21 is elastically expanded downward. It is inverted and becomes an extended state. To discard, the upper surface of the peripheral wall 20 may be pushed down. Then, the peripheral wall is folded downward and outward at the above two positions to form two overlapped peripheral wall portions 21 to be in a contracted state shown in FIG. Discard is performed in this state.

In both the first and second embodiments, the container is made of a synthetic resin, and the container has two forms, an expanded form and a contracted form. There is no problem even if it is molded with. further,
It is preferable that the bent portion of the container at the time of elastic reversal is formed to be thin.

[0022]

According to the first aspect of the present invention, the bottom plate is formed so that the bottom plate can be elastically inverted downward by pushing the small capacity chamber. The part is formed so as to be elastically reversible downward, and in both cases, it is a container of variable capacity, so that at the time of shipping or disposal, the container can be shrunk to reduce the bulk, so that transportation efficiency and waste It is possible to improve the efficiency of discharging and collecting wastewater, and also to extend the container when eating or using the contents, thereby facilitating these actions.

According to the first and second aspects of the present invention, when the container is used as a natto container, if the sauce is stored in the first small-capacity chamber and the mustard is stored in the second small-capacity chamber, respectively, You can mix the sauce and natto just by extending it, and if you cover it, you can put the mustard on it, so you can save the trouble of opening the storage bag of sauce and mustard and attach them to your hands. Can be prevented.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of a container according to the present invention, and a two-dot chain line shows an extended state of the container.

FIG. 2 is a perspective view of FIG.

FIG. 3 is a perspective view showing an extended state of the container.

FIG. 4 is a perspective view showing a modification.

FIG. 5 is a half sectional view showing a second embodiment of the container according to the present invention.

FIG. 6 is a half sectional view showing a contracted state of the container.

7 is a half sectional view showing a state in which natto is stored in the container shown in FIG. 6;

FIG. 8 is a half sectional view showing a state where the container is extended with chopsticks.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container body 11 Thin film material 2, 20 Peripheral wall 21 Overlap peripheral wall part 4 Raised cylinder 22 Bottom plate 5 Large capacity chamber 6 First small capacity chamber 9 Lid 10 Second small capacity chamber

Continued on the front page F term (reference) 3E033 AA08 AA10 BA13 CA20 DA01 DA08 DC03 DD01 DD20 DE14 EA04 EA05 GA03 3E035 AA14 BA04 BB10 BC02 CA02

Claims (4)

[Claims] 1. A raised cylinder (4) formed by raising a part of a bottom plate (3) for closing the lower surface of a peripheral wall (2) at substantially the same height as the upper surface of the peripheral wall (2).
Is formed in the large-capacity chamber 5 and the upper surface of the raised cylinder is recessed to form the first small-capacity chamber 6. By pressing the small-capacity chamber 6 downward, the bottom plate 3 is lowered. A telescoping container characterized in that a bottom plate portion excluding the first small volume chamber (6) is provided so as to be able to form an integral peripheral wall continuously with the lower end of the peripheral wall (2). 2. A part of the lid 9 for closing the upper surface of the peripheral wall 2 is raised to form a downward second small volume chamber 10 having a lower surface opening, and the lid 9 is connected to the peripheral wall 2 so as to be openable and closable. 2. The telescopic container according to claim 1, wherein the upper surface of the large-capacity chamber and the lower surface of the second small-capacity chamber including the upper surface of the first small-capacity chamber are closed with a thin film material. 3. A plurality of overlapping peripheral wall portions 21 are formed by folding the peripheral wall 20 downward at a plurality of positions having different heights, and a bottom plate 22 for closing the lower surface of the peripheral wall 20 is pressed downward, whereby the overlapping peripheral wall portion 21 is lowered. An elastic container characterized by being formed so as to be elastically reversible in an expanded shape. 4. A telescopic container according to claim 1, wherein said peripheral walls are formed in a tapered cylinder having a small diameter at a lower portion.