JPH07303571A - Portable heat insulated vessel - Google Patents

Abstract

PURPOSE:To provide a portable heat insulated vessel which can contain not only beverage but also ice, canned drinks, PET bottles, etc. with their warmth or coldness kept, and can serve while the inside is partitioned into a plurality of compartments. CONSTITUTION:A plurality of vessel forming parts 6, 6 separable from one another in the longitudinal direction are coupled together so that a vessel body 2 is formed which has a pouring mouth 1 at one end. The vessel forming part 6 has an opening edge 5 to serve for coupling, and each vessel forming part 6 of the vessel body 2 has a vacuum heat-insulating wall part 7. The opening edge of the vessel forming part 6 in the separated condition is fitted removably with an aux. lid.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a portable heat insulating container.

[0002]

2. Description of the Related Art Conventionally, as a portable heat insulating container for keeping a drink, food, etc. cold and warm, for example, Japanese Utility Model 4-50
It has been known that two independent container bodies disclosed in Japanese Patent No. 824 are separably connected in the longitudinal direction.

[0003]

However, in the conventional heat insulating container as described above, since each container body has one spout, it is easy to perform both in the connected state and the separated state. The function of the main body did not change. Also,
Since the inner diameter of the spout is smaller than the inner diameter of the container body, it is impossible to put large ice in the container body, and it is impossible to store canned drinks, PET bottles, etc. in the container body. It was

Further, even if the contents of the container body are reduced, the entire container cannot be made smaller, which makes it bulky and inconvenient to carry.

Therefore, the present invention solves the above-mentioned drawbacks and can store not only beverages but also ice, canned beverages, PET bottles, etc., and can be used by dividing into a plurality of pieces. It is intended to provide a portable heat insulating container.

Another object of the present invention is to provide a portable heat insulating container capable of expanding and contracting the entire container.

[0007]

In order to achieve the above-mentioned object, a portable heat insulating container according to the present invention has a plurality of container forming portions having opening end edges for connection and separable from each other in the longitudinal direction. Connected to form a container body having a spout at one end, each container forming portion of the container body, a vacuum heat insulating wall portion,
I have.

Further, a plurality of container forming portions having opening edges for connection and separable from each other in the longitudinal direction are connected to form a container body having a spout at one end, and each container of the container body is formed. The forming portion has a vacuum heat insulating wall portion, and further,
An auxiliary lid detachably attached to the connection opening edge of the container forming portion in the separated state is provided. It is also preferable that the total number of container forming parts is two.

Further, a container body having a spout at one end is formed by a plurality of container forming portions which are slidably inserted in the longitudinal direction and which are interconnected and connected to each other. Each container forming part of the,
I have.

Further, a container body having a spout at one end is formed by a plurality of container forming portions that are slidably and separably inserted in the longitudinal direction and are inserted into each other and the insides of which are communicated with each other. Each container forming portion of the container main body has a vacuum heat insulating wall portion, and further includes an auxiliary lid detachably attached to the opening edge of the container forming portion in the separated state. It is also preferable that the total number of container forming parts is two. It is also desirable to provide a lock mechanism at the opening edge of each container forming portion to prevent the container forming portions from being pulled out from each other.

[0011]

When the container body is formed by connecting a plurality of container forming portions that have the opening edge for connection and are separable from each other in the longitudinal direction, in the connected state of the container forming portions, the container forming portion is formed. The insides of the parts are connected to each other. Further, if the container forming parts are separated, the connection opening edge of each container forming part is in an open state, so that ice, beverage in cans, PET bottles, etc. can be stored.

Further, in the case where the auxiliary lid is provided, when the auxiliary lid is attached to the connecting opening edge in the separated state of the container forming section, each container forming section becomes an independent container.

Further, in the case where the container body is formed by a plurality of container forming portions which are slidably inserted in the longitudinal direction and which are internally connected to each other, the container forming portions are mutually connected. If it is slid, the entire container expands and contracts and the internal volume changes.

Further, in the case where the auxiliary lid is provided, each container forming portion becomes an independent container by separating the container forming portion and attaching the auxiliary lid to the connection opening edge. Further, in the case where the lock mechanism is provided, in the state where the container forming parts are fitted into each other, the container forming parts do not abruptly separate and the contents do not leak.

[0015]

The present invention will be described in detail below with reference to the drawings illustrating the embodiments.

FIGS. 1, 2 and 3 show an embodiment of a portable heat insulating container of the present invention. This heat insulating container has a container body 2 having a spout 1 at one end and a pour of the container body 2. It is provided with an inner plug 3 that is screwed into the mouth 1 so as to be able to advance and retreat, and a lid body 4 that also serves as a cup and is detachably attached around the spout 1 so as to surround the spout 1 and the inner plug 3. .

Then, as shown in FIG. 1, the container body 2
2 has connecting opening edges 5 and 5 that can be separated and connected.
It is formed by individual container forming portions 6 and 6. That is, the two container forming portions 6 and 6 having the connecting opening end edges 5 and 5 and separable from each other in the longitudinal direction are connected to form the container body 2 having the spout 1 at one end.

A container forming portion 6 forming the upper half of the container body 2
And the container forming portions 6 of the lower half have vacuum insulating walls 7. That is, each container forming part 6 and 6 has the vacuum heat insulating wall part 7. The vacuum heat insulating wall portion 7 includes an inner wall portion 8 and an outer wall portion 9 made of stainless steel, and a vacuum heat insulating space portion 10 is provided between the inner wall portion 8 and the outer wall portion 9.

Further, the vacuum heat insulating wall portion 7 of the container forming portion 6 of b.
Has a spout 1 at the upper end and an opening with an inner diameter larger than the inner diameter of the spout 1 at the lower end. Further, along the lower opening edge of the vacuum heat insulating wall portion 7, the male connecting member 12
Is fixed.

The male connecting member 12 is used for the container forming portion 6 of B.
The vertical outer peripheral wall portion 13 whose inner surface is in close contact with the outer peripheral surface of the lower end portion of the vacuum heat insulating wall portion 7 and is locked, and the upper end edge on the inclined inner peripheral surface formed at the lower opening end edge of the vacuum heat insulating wall portion 7. The vertical inner peripheral wall portion 14, the vertical intermediate wall portion 15 disposed between the vertical outer peripheral wall portion 13 and the vertical inner peripheral wall portion 14, the vertical outer peripheral wall portion 13, the vertical inner peripheral wall portion 14 and the vertical intermediate wall portion 15. A horizontal wall portion 16 interconnecting the lower end edges of the wall portion 15 and a hanging wall portion extending downward from the inner end edge of the horizontal wall portion 16 and having a male screw portion 17 formed on the outer peripheral surface thereof.
It consists of 18 and.

Further, between the intermediate portion of the horizontal wall portion 16 and the vertical intermediate wall portion 15 of the male connecting member 12 and the lower opening end edge of the vacuum heat insulating wall portion 7, a sealing material having a U-shaped cross section is provided. 19 are inserted. Further, a sealing material 20 having a circular cross section is externally fitted to the outer peripheral surface of the upper end portion of the hanging wall portion 18 of the male connecting member 12.

In addition, the vacuum heat insulating wall portion 7 of the container forming portion 6
Has an opening at the upper end and is closed at the lower end by a bottom wall 22 which is a part of the vacuum heat insulating wall 7. Then, along the upper opening edge of the vacuum heat insulating wall portion 7, the female connecting member 23
Is fixed.

The female connecting member 23 is used for the container forming portion 6
The vertical outer peripheral wall portion 24, the inner surface of which is in close contact with and locked to the outer peripheral surface of the upper end portion of the vacuum heat insulating wall portion 7, and the outer surface of which contacts the inner peripheral surface of the upper opening end edge of the vacuum heat insulating wall portion 7 and which faces the inner surface side. Female thread 25
And a vertical inner peripheral wall portion 26, and a horizontal wall portion 27 interconnecting the upper end edges of the vertical outer peripheral wall portion 24 and the vertical inner peripheral wall portion 26 with each other.
It consists of and.

A seal material 28 having an inverted U-shaped cross section is interposed between an intermediate portion of the horizontal wall portion 27 of the female connecting member 23 and an upper opening end edge of the vacuum heat insulating wall portion 7. It A protective cover 29 is attached to the lower end of the vacuum heat insulating wall 7.

Thus, the male type connecting member 12 and the female type connecting member 23 become the connecting opening end edges 5, 5. That is, the male screw portion 17 of the hanging wall portion 18 of the male connecting member 12 is replaced with the female connecting member 23.
By being screwed into the female screw portion 25 of the vertical inner peripheral wall portion 26, the container forming portions 6 and 6 of a and b are connected to each other. As a result, the insides of the container forming portions 6 and 6 of a and b are communicated and connected to each other.

With the above-mentioned structure, in the connected state of FIG. 1, it can be used as a container for keeping heat and cold of beverages and the like. Further, if the container forming portions 6 and 6 of the container body 2 are separated from each other, the wide-opening connection opening edges 5 and 5 are opened, so that in the separated state, the connection opening edge 5 is larger than the connection opening edge 5. Large ice can be stored in the container body 2 by inserting ice and then reconnecting the container forming parts 6 and 6. Also,
In the same manner, canned beverages such as canned juice and canned beer and long ones such as PET bottles can be stored in the container body 2.

Further, the male screw portion 17 of the hanging wall portion 18 of the male connecting member 12 is replaced with the female screw portion of the vertical inner peripheral wall portion 26 of the female connecting member 23.
If it is screwed back from 25, the container forming parts 6 and 6 of a and b can be separated from each other as shown in FIGS. 2 and 3.

In this separated state, the auxiliary lids 30, 5 are attached to the connecting opening edges 5, 5 of the container forming portions 6, 6 of a and b.
30 is detachably attached. In other words, this heat insulating container has the opening edge 5 for connection of the container forming portions 6 and 6 in the separated state.
5, the auxiliary lids 30, 30 are detachably attached.

Specifically, as shown in FIG. 2, the auxiliary lid 30 attached to the container forming portion 6 of (a) has a heat insulating material layer inside and an inner plug fitted into the male connecting member 12. Department
31, an outer collar portion 34 formed at the lower end portion of the inner plug portion 31, and a radially outer portion with a predetermined clearance, and the lower end portion being fitted onto the outer collar portion 34 of the inner plug portion 31. And a ring-shaped mounting portion 32 fixed to the. Then, on the inner peripheral surface of the mounting portion 32 of the auxiliary lid 30, a female screw portion 33 that is screwed into the male screw portion 17 of the male coupling member 12 so as to be able to advance and retract is provided. A sealing material 35 is fitted on the upper end of the inner plug portion 31.

As shown in FIG. 3, the auxiliary lid 30 attached to the container forming portion 6 has a heat insulating material layer inside and an inner plug portion 37 fitted inside the female connecting member 23. ,
An outer flange portion 38 provided at the upper end of the inner plug portion 37, and the female screw portion of the female connecting member 23 on the outer peripheral surface of the inner plug portion 37.
A male screw portion (36) that is screwed into the screw (25) is provided. A sealing material 39 is fitted on the lower end of the inner plug portion 37.

With the above construction, however, the two container forming portions 6 and 6 are separated from each other, and the auxiliary lids 30 and 30 are attached to the respective container forming portions 6 and 6, whereby The container forming parts 6 and 6 can be used as independent containers. Therefore, it is possible to store different types of beverages and foods in the two container forming parts 6 and 6 to keep them cool and warm.

Furthermore, if the auxiliary lids 30 and 30 are removed, the container forming portions 6 and 6 open to the wide mouths, which makes it extremely easy to use. For example, soups, miso soups, stews, etc., which have been prepared during cooking outdoors. It can also be used to keep warm, and can be stored easily even in a stew containing large ingredients. Also,
It can also be used as a lunch jar. Furthermore, if the container forming part 6 of (b) is used as an ice bowl and the drinking water is stored in the container forming part 6 of (a), the water of whiskey can be easily made outdoors. Further, the container forming section 6 of B can be used as a wine cooler or a cold sake cooler.

Although the total number of container forming portions 6 is two in the above-described embodiment, the total number of container forming portions 6 may be 3 to 5 in addition to this. Is. In that case, although not shown, a female connecting member 23 is fixed to the upper opening end edge of the cylindrical vacuum heat insulating wall portion 7, and a male connecting member is attached to the lower opening end edge of the vacuum heat insulating wall portion 7. The container forming portion 6 formed by fixing 12 may be formed, and the container forming portion 6 may be attached between the container forming portions 6 and 6 of FIG.

The female connecting member 23 may be fixed to the container forming portion 6 of the upper half of the container body 2, and the male connecting member 12 may be fixed to the container forming portion 6 of the lower half of the container body 2. Is. The inner wall portion 8 and the outer wall portion 9 of the vacuum heat insulating wall portion 7 may be made of resin, but from the viewpoint of strength and rigidity, stainless steel is preferable. Further, the male connecting member 12, the female connecting member 23, the protective cover 29, the inner plug 1, the lid 4, and the auxiliary lid 30 are preferably made of resin from the viewpoint of manufacturing ease, but some May be made of metal.

Next, FIGS. 4, 5, and 6 show another embodiment of the portable heat insulating container of the present invention. The container body 2 of this heat insulating container is slidable in the longitudinal direction and separable from each other. It is formed by two container forming portions 40, 40 that are inserted into and are internally connected to each other.

Then, as shown in FIG. 4, the container body 2
Is the container forming part 40 of the upper c and the container forming part 40 of that c
And a lower container forming portion 40 having an inner diameter dimension slightly larger than the outer diameter dimension. That is, the container forming portion 40 of Ha
Is slidably inserted into the container forming portion 40.

The vacuum heat insulating wall portion 7 of the container forming portion 40 has a spout 1 at the upper end and an opening having an inner diameter larger than the inner diameter of the spout 1 at the lower end. Then, the stopper member 41 is fixed along the lower opening edge of the vacuum heat insulating wall portion 7.

This stopper member 41 is used for the container forming portion 40 of the c
Mounting member 42 having a U-shaped cross section, which is mounted on the lower opening end edge of the vacuum heat insulating wall portion 7 from below, and a protrusion fitted in a circumferential groove provided on the outer peripheral surface of the mounting member 42. Strip 43,
It consists of 43 and. A female screw portion 44 for attaching an auxiliary lid, which will be described later, is formed on the inner peripheral surface of the attaching member 42. further,
A seal material 19 having a U-shaped cross section is interposed between the inner surface of the lower end portion of the stopper member 41 and the lower opening edge of the vacuum heat insulating wall portion 7.

Further, the vacuum heat insulating wall portion 7 of the container forming portion 40 of D
Has an opening at the upper end and is closed at the lower end by a bottom wall 22 which is a part of the vacuum heat insulating wall 7. Then, along the upper opening edge of the vacuum heat insulating wall portion 7, the lid mounting member 45 is fixed to the outer fitting shape. A male screw portion 46 is provided on the upper end of the lid mounting member 45.

Further, a stopper member 47 is detachably attached to the upper end portion of the lid attachment member 45. The stopper member 47 has a female threaded portion 48 that is screwed into the male threaded portion 46 of the lid mounting member 45 so as to be able to move forward and backward, and has a holding body 49 having an inner flange portion at the upper end, and an inner peripheral surface of the holding body 49. And an inwardly projecting ridge 50 which is fitted along and is sandwiched and held between the inner flange portion of the holding body 49 and the upper end portion of the lid mounting member 45.

Stopper member 41 of the container forming portion 40 of the above-mentioned C
2 and the stopper member 47 of the container forming portion 40
A lock mechanism L for preventing the two container forming portions 40, 40 from slipping out from each other is configured. That is, the lock mechanism L for preventing the container forming portions 40, 40 from slipping out from each other at the opening edge of each container forming portion 40, 40.
Is provided.

Then, the container forming portions 40, 40 of C and D are slid in the longitudinal direction (indicated by the arrow A in the figure),
The container body 2 can be expanded and contracted. That is, FIG. 1 shows the state in which the container body 2 is most shortened, and the inner volume is the smallest. In addition, the container forming unit 40
By pulling 40 upward, the container body 2 can be extended, and the internal volume increases accordingly.

The ridge body 43 as a sealing material can be extended and used up to the vicinity of the sealing material 28 (at the time of maximum extension use).

As a result, the length of the container body 2 can be adjusted and the internal volume can be adjusted according to the application. Therefore,
It can be used by changing the required capacity according to the application. In addition, if the container body 2 is filled with a beverage in the expanded state and the container body 2 is shortened as the beverage decreases,
The length of the container body 2 is not wasted, and the container body 2 can be prevented from becoming bulky. Further, as the container main body 2 is shortened, the portion where the vacuum heat insulating wall portions 7 and 7 on the inside and outside overlap is increased, so that there is an advantage that the heat retaining / cooling effect gradually improves. After use, it can be compactly shortened. Therefore, it is convenient to carry.

Further, the holder 49 of the stopper member 47 is unscrewed from the lid mounting member 45 of the container forming portion 40 of D, and the stopper member 47 is removed, and the container forming portions 40 and 40 of C and D are mutually connected. The container forming portions 40, 40 can be separated from each other by pulling them apart in the longitudinal direction. On the contrary, if the container forming portion 40 of C is inserted into the container forming portion 40 of D and the stopper member 47 is screwed into the lid mounting member 45, the container forming portions 40 and 40 of C can be slid. Can be connected to.

Further, as shown in FIGS. 5 and 6, auxiliary lids 51, 51 are attached to the opening edges 60, 60 of the separated container forming portions 40, 40.
Can be detachably attached. In other words, this insulated container
Auxiliary lids 51, 51 removably attached to the opening edges 60, 60 of the container forming portions 40, 40 in the separated state are provided.

Specifically, as shown in FIG. 5, the auxiliary lid 51 attached to the container forming portion 40 of the c has a heat insulating material layer inside and is freely screwed back and forth to the female screw portion 44 inside the stopper member 41. An inner plug portion 53 having a male screw portion 52 screwed into the inner plug portion 53, an outer brim portion 54 formed at a lower end portion of the inner plug portion 53, and a predetermined clearance arranged radially outward of the inner plug portion 53. At the same time, the lower end portion of the ring-shaped mounting portion 55 is fixed to the outer collar portion 54 in an externally fitted shape. Then, on the inner peripheral surface of the mounting portion 55,
The outer ends of the ridges 43, 43 of the stopper member 41 abut.

Further, as shown in FIG. 6, the container forming portion of D
An auxiliary lid 51 attached to 40 has an inner plug portion 56 having a heat insulating material layer therein and fitted inside the female connecting member 23,
An outer brim portion 57 provided at the upper end of the inner plug portion 56 and the inner plug portion 56.
And a ring-shaped mounting portion 58 which is disposed radially outward of the outer peripheral portion with a predetermined clearance and whose upper end portion is fixed to the outer collar portion 57 in an outer fitting manner. Further, on the inner peripheral surface of the mounting portion 58, a female screw portion 59 is provided which is screwed into the male screw portion 46 of the lid mounting member 45 so as to be capable of screwing back and forth.

With the above construction, however, the container forming portions 40 and 40 of C and D can be used independently of each other, and the same effect as that shown in FIGS. 2 and 3 can be obtained. Is obtained.

Next, FIGS. 7, 8 and 9 show another embodiment of the portable heat insulating container of the present invention. The container main body 2 of this heat insulating container is the opposite of that shown in FIG. The lower container forming portion 40 is slidably inserted into the upper container forming portion 40. That is, the inner diameter of the upper container forming portion 40 is set to be slightly larger than the outer diameter of the lower container forming portion 40.

Further, the vacuum heat insulation wall portion 7 of the container forming portion 40 of c
A lid mounting member 45 is fixedly fitted to the outside along the lower opening end edge, and a stopper member 47 is detachably mounted below the lid mounting member 45. Further, the stopper member 41 is fixed in a sandwiched manner along the upper opening edge of the vacuum heat insulating wall portion 7 of the container forming portion 40.

Then, the container forming portions 40, 40 of C and D are slid relative to each other in the longitudinal direction (shown by an arrow A in the drawing),
The container body 2 can be expanded and contracted. That is, FIG. 7 shows a state in which the container body 2 is most shortened, and the inner volume is the smallest.

Further, if the container forming portion 40 of C is pulled upward with respect to the container forming portion 40 of D, the container body 2 can be extended, and the inner volume is increased accordingly. Then, when the ridge 50 of the stopper member 47 of the container forming portion 40 of the c comes into contact with the ridge 43 of the stopper member 41 of the container forming portion 40 of the d, the container body 2 can be further extended. Disappear. At that time, the container body 2 is in the most expanded state, and the inner volume is maximum.

Next, as shown in FIGS. 8 and 9, when the container forming portions 40, 40 are separated, the auxiliary lids 51, 51 are detachably attached to the container forming portions 40, 40. With the above structure, the same effects as those shown in FIGS. 4, 5, and 6 can be obtained.

Although the total number of the container forming portions 40, 40 is two in the embodiment shown in FIGS. 4 to 9, the total number may be about 3 to 5 freely. In that case, although not shown, a container having a stopper member 41 at one opening end edge of the cylindrical vacuum heat insulating wall portion 7 and a lid mounting member 45 and a stopper member 47 at the other opening end edge. The forming section 40 may be interposed between the upper and lower container forming sections 40, 40. By doing so, the range of expansion and contraction of the container body 2 becomes large. Further, the vacuum heat insulating wall portions 7, 7 of the container forming portions 40, 40 may be made of resin, but stainless steel is preferable in terms of strength and rigidity.

[0056]

Since the present invention is configured as described above, it has the following effects.

According to the portable heat insulating container of claim 1,
Large ice can be stored in the container body 2. Further, a plastic bottle, canned juice or the like can be stored in the container body 2 to keep it warm or cool.

According to the portable heat-insulating container of the second aspect, the same effect as that of the first aspect is obtained, and a plurality of container forming parts 6 ... Are divided into independent containers. It can be used for keeping warm and cold. Also,
According to the portable heat insulating container of the third aspect, the same effect as that of the second aspect can be obtained.

According to the portable heat insulating container of claim 4,
The container body 2 can be used by changing the length and the volume according to the application. Also, in the extended state, the container body 2
By filling the inside with a beverage and shortening the container body 2 as the beverage decreases, the length of the container body 2 is not wasted and can be made bulky. Further, as the container main body 2 is shortened, the portion where the vacuum heat insulating wall portions 7 and 7 on the inside and outside overlap is increased, so that there is an advantage that the heat retaining / cooling effect is gradually improved. After use, it can be shortened compactly and is convenient to carry.

According to the portable heat-insulating container of the fifth aspect, the same effect as that of the fourth aspect is obtained, and a plurality of container forming parts 40 ... Are divided into independent containers. It can be used for keeping warm and cold. Also,
According to the portable heat insulating container of the sixth aspect, the same effect as that of the fifth aspect can be obtained.

Further, according to the portable heat-insulating container of the seventh aspect, the plurality of container forming parts 40 ...
Can be prevented from being abruptly separated.

[Brief description of drawings]

FIG. 1 is a half sectional view showing an embodiment of the present invention.

FIG. 2 is a half cross-sectional view in a separated state.

FIG. 3 is a half cross-sectional view in a separated state.

FIG. 4 is a half sectional view showing another embodiment.

FIG. 5 is a half cross-sectional view in a separated state.

FIG. 6 is a half cross-sectional view in a separated state.

FIG. 7 is a half cross-sectional view showing another embodiment.

FIG. 8 is a half cross-sectional view in a separated state.

FIG. 9 is a half cross-sectional view in a separated state.

[Explanation of symbols]

 1 Spout 2 Container body 5 Opening edge for connection 6 Container forming part 7 Vacuum insulation wall 30 Auxiliary lid 40 Container forming part 51 Auxiliary lid 60 Opening edge L Lock mechanism

[Procedure amendment]

[Submission date] May 17, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

Claims (7)

[Claims] 1. A container main body 2 having a spout 1 at one end is formed by connecting a plurality of container forming portions 6 having a connecting opening edge 5 and separable from each other in the longitudinal direction. Each container forming portion 6 of the container body 2 has a vacuum heat insulating wall portion 7, which is a portable heat insulating container. 2. A container main body 2 having a spout 1 at one end is formed by connecting a plurality of container forming portions 6 having a connecting opening edge 5 and separable from each other in the longitudinal direction. Each container forming part 6 of the container body 2 has a vacuum heat insulating wall part 7 and further includes an auxiliary lid 30 detachably attached to the connecting opening edge 5 of the container forming part 6 in the separated state. A portable heat-insulating container. 3. The portable heat insulating container according to claim 1, wherein the total number of the container forming portions 6 is two. 4. A container main body 2 having a spout 1 at one end of a plurality of container forming portions 40 ... Which are slidably inserted in the longitudinal direction and which are mutually connected and interconnected internally.
Each container forming portion 40 of the container body 2 has a vacuum heat insulating wall portion 7, and is a portable heat insulating container. 5. A container body (2) having a spout (1) at one end of a plurality of container forming parts (40) ... To form each container forming portion 40 of the container body 2.
Is a portable heat-insulating container having a vacuum heat-insulating wall portion 7 and an auxiliary lid 51 detachably attached to the opening edge 60 of the container forming portion 40 in the separated state. 6. The portable heat-insulating container according to claim 4, wherein the total number of container forming portions 40 is two. 7. The portable heat-insulating container according to claim 4, wherein the opening edge 60 of each container forming portion 40 is provided with a lock mechanism L for preventing the container forming portions 40 from being pulled out from each other.