JP4226565B2 - Insulated container - Google Patents

Description

  The present invention is a heat insulating container, more specifically, an instant food that can be heated and eaten, in particular, a heat insulating measure such as a heat insulating cup-shaped container or a plastic molded container that wraps instant food that can be eaten and poured by pouring hot water or using a microwave oven. It is related with the insulated container which gave.

In recent years, paper has been the main ingredient in instant ramen, miso soup, coffee, soup, tea, etc. containers that can be eaten and consumed by pouring hot water into the container, or cup-shaped containers for cooked foods that are heated and eaten with the container in a microwave oven. A cup-shaped container made of synthetic resin (hereinafter simply referred to as a cup-shaped container) or a tray-shaped non-circular shaped container has been widely used. This kind of container has heat insulation measures to protect the hand holding the container from the heat of the contents during eating and drinking. Conventionally known heat insulation measures include a paper base material laminated or impregnated with a thermoplastic resin and foamed, or a body wall (inner cup) provided with a sack on the outer periphery of the body wall. With a double wall structure and an air layer provided between the sack and the container body (for example, see Patent Documents 1, 2, and 3), or a handle piece connected to the outer periphery of the container. (For example, refer to Patent Document 4).
Japanese Patent Laid-Open No. 4-201840 JP 2000-281455 A Japanese Patent No. 3252478 Japanese Utility Model Publication No. 3-23011

  Of the above heat insulation measures, those with foamed body walls have a low heat insulation effect, and when hot water is poured, they are felt very hot when gripped with bare hands, and those with a double wall structure and an air layer are provided. In general, the heat insulation effect is higher than that of foaming treatment, but even with such heat insulation treatment, the outer surface of the container reaches 65 ° C to 75 ° C, it feels very hot when held with bare hands, and the heat insulation effect is still satisfactory Not what you want. In addition, the double wall structure with an air layer in the interior requires the formation of a space in the wall thickness direction, and a corrugated core is provided in the interior, or a complicated ruled line is formed in the sac itself. Since the three-dimensional shape inflated is complicated, the manufacturing process is complicated, and the body wall of the container is inevitably thick, which increases the volume, which is disadvantageous for boxing of products. Furthermore, when filling the contents into the container, empty containers are cut out from the bottom and supplied in a cylindrical shape, but if there is an air layer on the body wall, the body wall will become more elastic, In this state, due to the weight of the upper cup, there is a disadvantage that the fitting between the containers becomes strong and the container cut-out property is deteriorated. In addition, the provision of the handle piece on the outer peripheral portion of the body wall of the container has a drawback that the handle piece becomes a hindrance and obstructs stackability and cut-out property of empty containers. Furthermore, the conventional cup with a handle has a structure in which a portion to be a handle is simply fixed by glue bonding, and the weight of the content such as a drink poured into the cup is supported by this bonded portion. However, in this method, the holding force of the cup is influenced by the bonding state of the handle portion, and there is a risk of peeling off those having a poor bonding state. For this reason, such a cup with a handle is considered to be unsuitable for containers such as instant ramen, soup, miso soup and the like having a large content (or heavy).

  Furthermore, this type of conventional container is not limited to a heat insulating container, and the body wall is fixed to a predetermined shape and state, and the wall structure of the outer peripheral surface does not change during use, and changes and playability are possible. Is lacking. In addition, this type of conventional container has been improved in various ways as described above from the viewpoint of improving heat insulation and heat retention. For example, in the case of cup ramen, it is grasped by hand when eating. If the portion to be insulated has heat insulation properties, it is desirable that the whole container has a high heat dissipation effect so that the ramen to be eaten can be quickly eaten rather than heat retention. However, a container based on such a concept has not been provided yet.

Therefore, the present invention is intended to solve the above technical problems of the cup-shaped heat insulating container applied to the above-mentioned use at once, and even if it has a handle, it is not bulky at the distribution stage and the handle is obstructive. Containers that are easy to stack, cut out, and have excellent packing properties, can hold the handle firmly in the container, and are filled with heavy or large contents However, it is an object of the present invention to provide a heat-insulating container that is free from the risk of the handle coming off and is rich in unexpectedness such as a change in shape of the container and playability.

  As a result of various studies to solve the above-mentioned problems, the inventor does not always need to have a heat insulating structure for the container, but holds it by hand when actually using it, that is, when the consumer eats the contents. It is sufficient if the part is concentrated and has a high thermal insulation effect, and in the distribution stage, the barrel wall can be made thin if it does not have a special thermal insulation effect. It has been found that if the heat insulating grip portion of the body wall can be changed to a heat insulating structure, the container can be provided with unexpectedness and changeability, and the present invention has been achieved.

  That is, a cup-shaped container of the present invention that solves the above problems has a container body having a trunk wall and a bottom wall, and a mantle attached to the outer periphery of the trunk wall of the container body. One or a plurality of longitudinal zippers formed to leave a part, one or a plurality of circumferential zippers formed to leave a part in the circumferential direction from an end of the longitudinal zippers, and a ruled line for bending And by severing the mantle from the longitudinal zipper and the circumferential zipper in the longitudinal direction and the circumferential direction, leaving a circumferential band portion of a predetermined width and a longitudinal band portion of a predetermined width on a plurality of wing pieces. The handle is unfolded and bent along the ruled line to form a handle.

  The circumferential band portion may be formed at least at one location of the upper end portion or the lower end portion of the mantle, but may be formed at two locations, the upper end portion and the lower end portion of the mantle as needed. The longitudinal band portion may be formed at least at one location, but may be formed at two locations, the upper end portion and the lower end portion of the mantle as needed. In the case of forming in one place, the longitudinal zipper is composed of one longitudinal zipper provided on the side opposite to the longitudinal band portion, and a pair of blade pieces is formed by breaking the longitudinal zipper. The pair of wing pieces are folded back to each other across the longitudinal band portion to form a handle, and a single heat radiating portion is formed on the body wall, and the handle is held by the container. It is characterized by becoming like this.

  Further, in the case where the longitudinal band portions are provided at two locations, the longitudinal zipper is composed of two longitudinal zippers provided between the longitudinal band portions, and the longitudinal zipper is broken by breaking the longitudinal zipper. A pair of wing pieces are formed on both sides of the longitudinal zippers at the location, and the pair of wing pieces are folded back to each other across the longitudinal band portion to form two handles and a single wall of the trunk wall A heat radiating part having a structure is formed, and the handle is held to hold the container.

  Each wing piece is preferably formed with a slit for forming a finger insertion hole. Further, the shape of the container is not particularly limited, and can be formed as a cup-shaped container or a non-circular container in cross section. In the case of a cup-shaped container, the outer jacket is a single sheet having adhesive margins at both ends. The fan-shaped blank can be formed. The outer jacket can be integrally fixed to the container body by adhering either or both of the circumferential band part and the longitudinal band part to the body wall of the container body. However, the circumferential band portion may be formed in advance so as to be detachable from the container body, and may simply be fitted to the container body wall. In the distribution stage, the mantle and the body wall may be separated, and the mantle may be fitted to the container and the body wall during use. In that case, the mantle functions as a container holder.

  According to the present invention, the handle is formed by the mantle, so that even a container filled with hot water can be safely held with bare hands without feeling the heat, and the handle is configured as a mantle that is attached to the container body wall. Therefore, in the normal distribution stage, the outer peripheral surface of the container can be formed into a uniform surface while having a handle, and the container stackability and the container cutting out property are good. In addition, since the handle is formed by breaking the zipper at the time of use, when the outer shell is integrally attached to the container body wall, the surface of the body wall of the container body covered with the outer shell is first seen at the time of use. By printing additional functions on the outer peripheral surface of the torso wall, it is rich in unexpectedness such as change and playability, and when used, the part to be gripped by hand (handle) is excellent in heat insulation, Other body wall portions can provide a packaging container with increased heat dissipation. In particular, according to the present invention, when eating, most of the outer peripheral wall of the container body is exposed to the outside, so the heat dissipation effect is high. According to the present invention, since the mantle has at least one circumferential band portion, the handle can be firmly held in the container by the circumferential band portion and filled with heavy contents or large contents. Even if it is a container, there is little risk of the handle coming off and it can be used safely.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows an embodiment of a packaging container according to an embodiment of the present invention, and this embodiment is applied to a cup-shaped paper container. Here, the paper container is not necessarily limited to the one formed only of the paper material, the paper material laminated with the synthetic resin film, the paper material impregnated with the synthetic resin, or the paper material. This refers to containers made mainly of paper, such as those laminated with synthetic resin film and metal foil. The cup-shaped container is a container having a trunk wall and a bottom wall, and the size and depth thereof and the trunk wall shape are not particularly limited. In the following embodiment, an example of a paper cup-shaped container is shown. However, the cup-shaped container body is not necessarily limited to a paper container, and a synthetic resin molded container can also be applied. Not only the product but also a synthetic resin film or a composite film can be used.

  A paper cup-shaped container 1 of the present embodiment (first embodiment) is formed of a cup-shaped container main body 2 having a barrel wall 3 and a bottom wall 4 whose inner surfaces are water-resistant processed, and an outer shell 5. A mantle 5 is fitted on the outer peripheral part of the part wall 3 so as to cover almost the whole. The outer jacket 5 is a sheet material whose base material is paper such as paper or synthetic resin laminated paper, and is formed in a cylindrical shape along the outer peripheral surface of the body wall of the container body. As shown in the figure, it is desirable that the outer jacket 5 has an upper end located in the vicinity of the upper end of the torso wall and a lower end extending so as to cover the lower end of the foot of the torso wall. The lower end does not necessarily reach that position.

  As shown in FIG. 2, the outer jacket 5 is formed by forming a single sector blank 6 into a tapered cylindrical shape. In the illustration inside the blank 6, the solid line represents a slit, and the broken line represents a folding ruled line or fold line. The fan-shaped blank 6 has joining margin portions 7a and 7b at both ends, and a ruled line 8a for bending leaving a part of the upper end portion in the vertical direction along the inner edge of the margin portion. 8b is formed, and an arcuate circumferential zipper 10 is formed between the upper ends of the ruled lines. And the vertical direction zipper 11 is formed so that it may reach from the center part of this circumferential direction zipper to a blank lower end edge. That is, the longitudinal zipper 11 is formed from the longitudinal upper end portion while leaving a part of a circumferential band portion 15 described later, and the circumferential zipper 10 is formed while leaving a circumferential portion of the longitudinal band portion 16. Will be. In this embodiment, the circumferential zipper 10 is formed from a single intermittent cut line 12, and the vertical zipper 11 has a predetermined width from two intermittent cut lines 13a and 13b arranged at a predetermined interval. However, the circumferential zipper may be formed by two circumferential cut lines in parallel and may be formed by a narrow cut piece, and the vertical zipper may be formed by a single cut line. It is also possible to form the zipper, and the configuration of the zipper is not limited to the display form.

  With the above configuration, a circumferential band portion having a predetermined width and a vertical band portion having a predetermined width are obtained by breaking a part of the outer jacket in the vertical direction and the circumferential direction from the vertical zipper 11 and the circumferential zipper 10 as described later. The pair of wing pieces 20a and 20b starting from the first ruled lines 8a and 8b are left unfolded. In order to form a handle by the wing pieces, the middle part of each wing piece, that is, the first ruled line 8a and the longitudinal direction. A second part for bending from the circumferential zipper 10 to the lower end respectively at an intermediate part between the cut line 13a on one side of the zipper 11 and an intermediate part between the first ruled line 8b and the cut line 13b on one side of the vertical zipper 11. Ruled lines 17a and 17b are respectively formed. A pair of finger insertion holes 21a, 21b and a slit 22 for forming are formed on the wing pieces 20a, 20b symmetrically with respect to the second ruled lines 17a, 17b for bending, leaving the bent portions 23. ing.

  The outer sheath 5 having the shape as described above is bonded to the outer wall of the body wall 3 of the container body 2 in the form of a vertical streak and bonded to the body wall 3 of the container body. The other glue margin is overlapped and bonded. At the same time, the inner surface of the circumferential band portion 10 is also bonded to the trunk wall 3. The adhesion of these parts does not necessarily need to adhere to the whole part, and may be adhered in a point manner. Thereby, the joining margin part 7 used as the vertical direction band part 16 and the circumferential direction band part 15 will be in the state closely_contact | adhered to the container. As a result, the paper cup-shaped container 1 of the present embodiment has an outer shape as shown in FIG. 1A, and the body wall is covered with a mantle. Therefore, at the distribution stage, the outer peripheral surface of the barrel wall 3 of the container body 2 is not exposed to the outside and cannot be observed from the outside. Therefore, by printing additional information or the like on the body wall in advance, a container that consumers can enjoy at the time of use can be obtained.

  In the container 1 formed as described above, as shown in FIGS. 1 (a) and 1 (b), the body wall is a double wall of the body wall 3 of the container body and the outer jacket 5, Since there is no space such as an air layer in the middle part, the body wall of the container body and the mantle are in direct contact with each other, they are not too thick and bulky, the storage volume can be reduced, and the body walls In the state of fitting and stacking, the stackability and cut-out property are better than those of this conventional heat insulation container. From this state, when eating the contents, for example, before pouring hot water into the interior or when eating, as shown in FIG. 3, the circumferential zipper 10 is reached, the longitudinal zipper is peeled off, and then the portions located outside the cut lines 13 a and 13 b are pulled up to the left and right, respectively, whereby the circumferential zipper breaks, and FIG. (B) As shown in (c), it is divided into two wing pieces 20a, 20b based on the first ruled lines 8a, 8b, and the outer shell is the trunk of the container body except for the circumferential band portion and the longitudinal band portion. It will be in the state peeled from the part wall 3. FIG.

  Next, as shown in FIG. 4D, each wing piece 20a, 20b is folded from the first ruled lines 8a, 8b and the second ruled lines 17a, 17b to overlap each other, thereby overlapping the wing pieces 20a. The hole 21a and the finger insertion hole 21b of the wing piece 20b overlap, the finger insertion hole 21b of the wing piece 20a and the finger insertion hole 21a of the wing piece 20b overlap, and the cross section of the two wing pieces overlaps each other. The handle 25 is formed. In this state, a finger hole as shown in FIG. 3 (d) is formed by pushing a tongue piece formed by a slit in the position of the finger insertion hole inward, and a handle into which a finger can be inserted is formed. A cup-shaped container with a mark is obtained.

  Therefore, at the time of use such as eating the contents, the container 25 can be held with bare hands without feeling the heat even if the contents are poured with hot water by grasping the handle 25. At this time, the container of the present invention is different from the container in which the base of the handle is simply bonded to the body wall of the container body, unlike the conventional cup-shaped container made of seed paper, and the handle and the mantle are integrally formed. In addition, a circumferential band 15 is formed at the upper end of the mantle, and the circumferential band 15 is fitted and held on the entire circumference of the container body wall. Because of this synergistic effect, the handle body is firmly held, and even if the contents are heavy, there is no fear that the handle will be peeled off, and it can be used safely. Therefore, the cup-shaped container of this embodiment can also be used as a container for contents heavier than conventional cup-shaped containers with a hand such as cup noodles, soup, miso soup, and the like. Further, by folding the wing piece to form the handle 25, many parts of the trunk wall 3 of the container body 2 are exposed, and that part becomes a single wall of only the trunk wall, The heat dissipation from the part is increased, a container with a much better heat dissipation effect during use is obtained, and the exposed area of the outer peripheral surface of the body wall of the container body is increased, making the part more effective as a display surface Can be used for

  As described above, when holding the container and eating the contents directly from the container, the heat transfer to the finger is weak and can be gripped without feeling the heat, but on the other hand, the heat dissipation effect at parts other than the gripping part It cools quickly to the optimum temperature to eat the contents, and you can eat comfortably. In the state where the wing pieces are bent, most of the body wall 3 of the container main body which is not seen by being surrounded by the outer jacket in FIG. 1 is exposed for the first time. If you print or fortune-telling, fortune-telling, cartoons, characters, etc., you can provide time consumers with the pleasure of watching the contents, not only the change in the shape of the jacket, A container rich in playability can be provided. In addition, the heat insulation effect can be improved by performing foaming treatment on the mantle. In addition, when it is desirable that the container body has a high heat retaining property, the heat retaining property can be increased by foaming the body wall of the container body in the same manner.

  As mentioned above, although embodiment of this invention was described, the design change is possible for the cup-shaped container of this invention not only in the said embodiment. For example, in the above embodiment, the circumferential band portion is formed at the upper end portion of the mantle, but it is not necessarily limited to the upper end portion, and may be formed at the lower end portion. Further, by forming the circumferential band portion on both the upper end portion and the lower end portion, a container having a higher holding force at the handle can be obtained. Moreover, although the said embodiment demonstrated the case where it applied to a cup-shaped container, this invention is similarly applied not only to a cup-shaped container but to a cross-sectional cylindrical container, or a cross-sectional non-circular container such as a rectangular or elliptical cross section. It is applicable. In this embodiment, the finger insertion hole is formed in the handle, but the finger insertion hole does not necessarily have to be formed according to the size of the container. Moreover, although the case where only one handle was provided was shown in the said embodiment, as shown in FIG.4 and FIG.5, it is also possible to provide two handles and to form as a both-hands holding container. In this case, it is particularly suitable for a large cup-shaped container or a non-circular container having a cross section.

  4 and 5 show an embodiment in which two handles are provided to form a cup-shaped container for gripping both hands, and FIG. 4 shows a fan-shaped blank 30 for forming a mantle. The same parts as those in the above embodiment are given the same reference numerals, and only different points will be described. The fan-shaped blank 30 in this embodiment includes a first longitudinal band portion 31 formed by the margin portions 7a and 7b at both ends and a second longitudinal band portion 32 having a predetermined width formed at the center portion of the blank. Two longitudinal band portions can be formed. A first ruled line 8a formed while leaving a part in the vertical direction inside the margin part 7a and a second edge formed at the side edge of the second vertical band part 32 leaving a part of the upper end in the vertical direction. A first circumferential zipper 35a is formed connecting the upper ends of the two ruled lines 33a. Similarly, the first ruled line 8b formed while leaving a part in the vertical direction inside the margin part 7b and the side edge of the second vertical band part 32 leaving a part of the upper end in the vertical direction. A first circumferential zipper 35b is formed by connecting the upper ends of the second ruled lines 33b. And the 1st vertical direction zipper 37 from the approximate center part of the 1st circumferential direction zipper 35a to a vertical direction lower end part is formed. Similarly, a second vertical zipper 38 extending from the approximate center of the second circumferential zipper 35b to the lower end in the vertical direction is formed.

  With the above-described configuration, the first ruled lines 8a and 8b are formed by breaking each zipper as will be described later, leaving a circumferential band portion 39 having a predetermined width and longitudinal band portions 31 and 32 having a predetermined width in order from the right side in FIG. A pair of wing pieces 40a, 40b starting from, and a pair of wing pieces 41a, 41b starting from the second ruled lines 33a, 33b are developed. Each wing piece is formed with a pair of finger insertion holes 42a, 42b and 43a, 43b in line symmetry, as in the above embodiment. Therefore, the fan-shaped blank 30 configured as described above is wound around the outer peripheral portion of the trunk wall 3 of the container body 2 and the glue margins 7a and 7b are joined, as in the above-described embodiment, so that the trunk wall 3 Thus, a cup-shaped container 45 having a double wall structure in which a mantle 29 is attached to the outer periphery of the outer shell is obtained.

  In use, the cup-shaped container 45 having the above-described configuration is broken by breaking the first longitudinal zipper 37 and the second longitudinal zipper 38, and then breaking the first circumferential zipper 35a and the second circumferential zipper 35b. The blade pieces 40a, 41a, 41b and 40b are developed. By bending them from the first ruled lines 8a and 8b and the second ruled lines 33a and 33b, a pair of handles 46 and 47 are formed as shown in FIG. Therefore, in the case of the container, the container can be lifted by grasping with both hands, and handling of the container filled with hot contents having a large internal volume becomes easy. Note that each blade piece forming the handle in the present embodiment is not provided with a folding ruled line, and a handle 47 is formed by one blade piece 40a and 40b. Similarly, one blade piece 41a and 41b is formed. The handle 46 is formed by providing a ruled line at the center of each wing piece, for example, as shown in FIG. 2, and providing finger insertion holes symmetrically on both sides thereof. It can also be formed in the handle structure folded in double like the handle 25 shown in FIG.3 (d), and the structure is not specifically limited.

  Although the heat insulating container of the present invention is a container having a handle on the outer periphery of the trunk part wall, there is no bulging part or the like on the trunk part wall in a normal distribution stage, and a handle that becomes a grip part is formed at the time of use. Since the heat insulation is enhanced, a simple container for environmentally friendly high-temperature contents that can be formed with a paper container can be obtained. Especially, the handle holding force has been improved, so the handle peels even with heavy contents. Applicable to instant noodles, miso soup, coffee, soup, tea, etc. containers that can be eaten and consumed by pouring hot water into the container, or packaging containers for cooked foods that are heated and eaten with a microwave oven. It can be used as a disposable cup for eating hot food and drinks. Moreover, it is applicable also to the container of the food and drink whose contents are cold. Furthermore, the jacket is not necessarily integral with the container, but can be applied to a container holder that circulates separately from the container.

The paper cup-shaped container which concerns on 1st Embodiment of this invention is shown, (a) is a perspective view, (b) is the AA cross-sectional enlarged view. It is a development view (fan blank) of the mantle. It is a perspective view which shows the process at the time of use of the paper cup-shaped container of FIG. 1, (a) is the state at the time of unused, (b) is the state which fractured | ruptured the zipper and formed a pair of wing pieces, (c ) Is a state where each wing piece is bent along a ruled line, and (d) is a state where a handle is completed. It is an expanded view (fan-shaped blank) of the mantle of the heat insulation container concerning other embodiments of the present invention. It is a perspective view in the state where the handle at the time of use of the container concerning the embodiment of the present invention equipped with the mantle shown in Drawing 4 was completed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,45 Cup-shaped container 2 Container body 3 Trunk wall 4 Bottom wall 5, 29 Outer jacket 6, 30 Fan-shaped blank 7a, 7b Joining margin part 8a, 8b First ruled line 10 Circumferential zipper 11 Vertical zipper 12, 13a, 13b Cut line 15 Circumferential band part 16 Longitudinal band part 17a, 17b Second ruled line 20a, 20b, 40a, 40b, 41a, 41b Wing pieces 21a, 21b, 42a, 42b, 43a, 43b Finger insertion hole 22a Slit 23 Bending portion 25, 46, 47 Handle 31 First longitudinal band portion 32 Second longitudinal band portion 33a, 33b Ruled line 35a, 35b First circumferential zipper 37 First longitudinal zipper 38 Second longitudinal zipper

Claims (9)

  A container body having a body wall and a bottom wall, and a mantle attached to the outer periphery of the body wall of the container body, wherein the mantle is formed with one or more longitudinal zippers formed while leaving a part in the longitudinal direction One or a plurality of circumferential zippers formed by leaving a part in the circumferential direction from the end of the longitudinal zippers, and a ruled line for bending, and the outer jacket from the longitudinal zippers and the circumferential zippers Is broken into a plurality of wing pieces, leaving a circumferential band portion having a predetermined width and a longitudinal band portion having a predetermined width, and the wing pieces are bent along the ruled line. A heat insulating container characterized by forming a handle.   The heat insulating container according to claim 1, wherein the circumferential band portion is formed at an upper end portion of the mantle.   The heat insulating container according to claim 1, wherein the circumferential band portion is formed at an upper end portion and a lower end portion of the mantle.   The longitudinal band part is in one place, and the longitudinal zipper is composed of one longitudinal zipper provided on the opposite side of the longitudinal band part, and by breaking the longitudinal zipper and the circumferential zipper A pair of wing pieces are formed, and the pair of wing pieces are folded back to form a handle, and the body wall forms a single heat radiating portion, and the handle is held to hold the container. The heat insulation container in any one of Claims 1-3.   The longitudinal band part is composed of two longitudinal band parts provided symmetrically in the circumferential direction, and the longitudinal zipper is composed of two longitudinal zipperes provided between the longitudinal band parts, A pair of wing pieces is formed by breaking the longitudinal zipper and the circumferential zipper, and the pair of wing pieces are folded back to each other across the longitudinal band portion to form two handles. The heat insulating container according to any one of claims 1 to 3, wherein the body wall forms a heat radiating portion having a single structure, and grips the handle to hold the container.   The heat insulation container according to any one of claims 1 to 5, wherein a slit for forming a finger insertion hole is formed in the wing piece.   The heat-insulating container according to any one of claims 1 to 6, wherein the container is a cup-shaped container, and the mantle is formed from a single fan-shaped blank having adhesive margins at both ends.   The insulated container according to any one of claims 1 to 6, wherein the container is a container having a non-circular cross section.   The heat insulating container according to any one of claims 1 to 8, wherein the jacket is formed to be detachable from a body wall of the container body, and the circumferential band part is fitted to the body wall during use. .

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