JP2010017437A - Heat-retaining lunch bag - Google Patents

Heat-retaining lunch bag Download PDF

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JP2010017437A
JP2010017437A JP2008182248A JP2008182248A JP2010017437A JP 2010017437 A JP2010017437 A JP 2010017437A JP 2008182248 A JP2008182248 A JP 2008182248A JP 2008182248 A JP2008182248 A JP 2008182248A JP 2010017437 A JP2010017437 A JP 2010017437A
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container
temperature container
heat insulating
low
insulating material
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Japanese (ja)
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Toshio Kobayashi
俊夫 小林
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Panasonic Corp
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Panasonic Corp
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20—Lunch or picnic boxes or the like

Abstract

<P>PROBLEM TO BE SOLVED: To improve preventive measures for decay of prepared food in a vegetable container and food poisoning by thermal effect in a configuration storing a rice container and the vegetable container in an outer case, with their aligned transversely in a heat-retaining lunch bag. <P>SOLUTION: This heat-retaining lunch bag includes a high-temperature container 1 for containing the cooked rice, a low-temperature container 2 for containing the prepared food, the outer case 3 allowing the storage and take-out of the high-temperature container 1 and the low-temperature container 2, and vacuum insulation materials 4 located between the high-temperature container 1 and the low-temperature container 2 and at either an upper or lower lid and having a detachable form. The vacuum insulation material 4 is formed higher than the high-temperature container 1 and the low-temperature container 2 and surrounds either of the high-temperature container 1 or the low-temperature container 2; and the vacuum insulation material located between the high-temperature container 1 and the low-temperature container 2, and the vacuum insulation material located at either of the upper or lower lid are connected by a heat welded part of a laminated film, so that, even the configuration where the high-temperature container and the low-temperature container are stored in the outer case, with their aligned transversely, can prevent the decay of the prepared food in the vegetable container by the thermal effect so as to hardly cause the food poisoning. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、米飯を入れる高温容器と、惣菜を入れる低温容器の間にある脱着可能な様態をした真空断熱材の断熱壁を設けたランチジャーに関するものである。   The present invention relates to a lunch jar provided with a heat insulating wall of a vacuum heat insulating material in a detachable manner between a high temperature container for containing cooked rice and a low temperature container for storing side dishes.

従来、この種のランチジャーは、飯容器と菜容器を横に並べて外ケースに取出自在に収納して成る弁当箱において、飯容器は、断熱保温性を有する器体と蓋体とから成り、菜容器は、保温性を有しない器体と蓋体とから成り、外ケースは、保温性を有しない上部に開口部を有する下部ケース体と、下部に開口部を有する上部ケース体とから構成される（例えば、特許文献１参照）。   Conventionally, this type of lunch jar is a lunch box in which a rice container and a vegetable container are arranged side by side and are detachably stored in an outer case, and the rice container is composed of a container body and a cover body that have heat insulation and heat retention, The vegetable container is composed of a container body and a lid that do not have heat retention, and the outer case is composed of a lower case body that has an opening in the upper part that does not have heat retention and an upper case body that has an opening in the lower part. (See, for example, Patent Document 1).

特許文献１の記載のように、飯容器は米飯が温かい状態を比較的長時間維持するために、ステンレス製真空二重容器などの断熱保温性を持った容器と、発泡スチロールや合成樹脂製の蓋が用いられる。   As described in Patent Document 1, in order to keep the cooked rice in a warm state for a relatively long time, the rice container has a heat insulating and heat-resistant container such as a stainless steel vacuum double container, and a foamed polystyrene or synthetic resin lid. Is used.

菜器は惣菜の腐敗により、食中毒の原因とならないように、断熱保温性を持たない樹脂製の容器と蓋が用いられる。   Vegetable containers are made of resin containers and lids that do not have heat insulation and heat retention so as not to cause food poisoning due to the decay of sugar beet.

また、外ケースも、菜器内の惣菜の腐敗により、食中毒の原因とならないように、断熱保温性を持たない合成樹脂などが用いられている。
特開２００２−３６０３２７号公報 In addition, the outer case is made of a synthetic resin that does not have heat insulation and heat retaining properties so as not to cause food poisoning due to the decay of sugar beet in the vegetable bowl.
JP 2002-360327 A

しかしながら、従来の構成である飯容器と菜容器を横に並べて外ケースに収納する形態では、飯容器の上に菜容器を積み重ねて外ケースに収納する形態に比べて、飯容器の断熱保温性が低くなる傾向がある。   However, in the conventional configuration in which the rice container and the vegetable container are arranged side by side and stored in the outer case, the heat insulation and heat insulation of the rice container is compared to the form in which the vegetable container is stacked on the rice container and stored in the outer case. Tend to be low.

なぜならば、ステンレスといった金属製の真空二重容器を用いた飯容器の円筒側の断熱保温性は優れているが、その分熱は上部に逃げやすく、真空二重容器上部の開口は断熱保温性を有する蓋で閉じているが、円筒側の真空二重容器の断熱保温性ほどではないため、上部から熱が逃げやすくなる。   This is because the heat insulation heat retention on the cylindrical side of the rice container using a metal vacuum double container such as stainless steel is excellent, but the heat easily escapes to the top, and the opening at the top of the vacuum double container is heat insulation heat retention Although it is closed with a lid having a thermal insulation heat retention property of the vacuum double container on the cylinder side, heat easily escapes from the upper part.

さらに、飯容器の上に菜容器を積み重ねて外ケースに収納する形態とは異なり、飯容器と菜容器を横に並べることから飯容器の上を覆う容器がないため、熱はより上部に逃げやすくなり、飯容器の断熱保温性を低下させているからである。   Furthermore, unlike the case where vegetables are stacked on top of the rice container and stored in the outer case, there is no container to cover the rice container because the rice container and the vegetable container are placed side by side, so heat escapes further upward. This is because the heat insulation and heat retention of the rice container is reduced.

この飯容器の断熱保温性が低いことにより、その分逃げた熱が菜容器に移ることになり、長時間経過すると、横に並んでいる断熱保温性を持たない菜容器内の惣菜に影響を及ぼして腐敗を招き、食中毒の原因となるという課題を有していた。   Due to the low heat insulation and heat retention of this rice container, the heat that escapes is transferred to the vegetable container, and after a long time, the side dishes in the vegetable container that do not have heat insulation and heat retention are lined up side by side. It has the problem of causing rot and causing food poisoning.

本発明は従来の課題を解決するもので、飯容器と菜容器を横に並べて外ケースに収納する形態でも、熱の影響により菜容器内の惣菜の腐敗を招き、食中毒の原因となりにくいランチジャーを提供することを目的とする。   The present invention solves the conventional problems, and even in a form in which a rice container and a vegetable container are arranged side by side and stored in an outer case, a lunch jar that is not likely to cause food poisoning due to the influence of heat on the side dishes in the vegetable container. The purpose is to provide.

上記従来の課題を解決するために、本発明のランチジャーは、米飯を入れる高温容器と、惣菜を入れる低温容器と、前記高温容器および低温容器を収納、取り出し出来る外ケースと、前記高温容器および低温容器の間、および上部または下部のいずれかの蓋にある脱着可能な様態の真空断熱材で構成されている。さらに、前記真空断熱材は前記高温容器および低温容器より高く設け、かつ前記高温容器または、低温容器のいずれかを囲んでおり、前記高温容器および低温容器の間にある真空断熱材と、前記上部または下部のいずれかの蓋の真空断熱材がラミネートフィルムの熱溶着部により繋がっていることとしたものである。   In order to solve the above-described conventional problems, the lunch jar of the present invention includes a high-temperature container for containing cooked rice, a low-temperature container for storing side dishes, an outer case that can store and take out the high-temperature container and the low-temperature container, the high-temperature container and It consists of a vacuum insulation in a detachable manner between the cryocontainers and on either the upper or lower lid. Further, the vacuum heat insulating material is provided higher than the high temperature container and the low temperature container, and surrounds either the high temperature container or the low temperature container, the vacuum heat insulating material between the high temperature container and the low temperature container, and the upper part Alternatively, the vacuum heat insulating material of any one of the lids at the lower part is connected by the heat welding part of the laminate film.

これによって、飯容器と菜容器を横に並べて外ケースに収納する形態でも、高温容器から逃げた熱の影響により菜容器内の惣菜の腐敗を招き、食中毒の原因となりにくいものとなる。   As a result, even in a form in which the rice container and the vegetable container are stored side by side in the outer case, the side dishes in the vegetable container are rotted due to the influence of the heat escaped from the high temperature container, which is unlikely to cause food poisoning.

本発明のランチジャーは、飯容器と菜容器を横に並べて外ケースに収納する形態でも、熱影響により菜容器内の惣菜の腐敗を招き、食中毒の原因となりにくくすることが出来る。   Even if the lunch jar of the present invention is configured such that the rice container and the vegetable container are arranged side by side in the outer case, the vegetables in the vegetable container are rotted due to the heat effect, and it is difficult to cause food poisoning.

請求項１に記載の発明は、米飯を入れる高温容器と、惣菜を入れる低温容器と、前記高温容器および低温容器を収納、取り出し出来る外ケースと、前記高温容器および低温容器の間および上部または下部のいずれかの蓋にある脱着可能な様態の真空断熱材で構成されている。且つ前記真空断熱材は前記高温容器および低温容器より高く設け、前記高温容器または、低温容器のいずれかを囲んでおり、前記高温容器および低温容器の間にある真空断熱材と、前記上部または下部のいずれかの蓋の真空断熱材がラミネートフィルムの熱溶着部により繋がっている。   The invention according to claim 1 is a high-temperature container for containing cooked rice, a low-temperature container for storing side dishes, an outer case in which the high-temperature container and the low-temperature container can be stored and taken out, and between and above or below the high-temperature container and the low-temperature container. It is comprised with the vacuum heat insulating material of the aspect which can be attached or detached in either lid | cover. The vacuum heat insulating material is provided higher than the high temperature container and the low temperature container, and surrounds either the high temperature container or the low temperature container, and the vacuum heat insulating material between the high temperature container and the low temperature container, and the upper part or the lower part. The vacuum heat insulating material of any one of the lids is connected by the heat welded portion of the laminate film.

これにより、高温容器からの熱が低温容器に移らないように、間に両容器より丈が高い真空断熱材を設け、かつ高温容器または、低温容器のいずれか側に囲み、かつ蓋と一体となっていることで容器側面用真空断熱材と蓋用真空断熱材との繋ぎ目から熱が逃げることがなくなるため、高温容器周囲からの熱の移動を遮断することとなり、低温容器の温度上昇を防ぐことが出来る。   In order to prevent the heat from the high temperature container from being transferred to the low temperature container, a vacuum heat insulating material having a height higher than that of the two containers is provided between the high temperature container and either side of the high temperature container or the low temperature container, and integrated with the lid. This prevents heat from escaping from the joint between the vacuum heat insulating material for the side of the container and the vacuum heat insulating material for the lid, thus blocking the movement of heat from the surroundings of the high temperature container and increasing the temperature of the low temperature container. Can be prevented.

また、請求項２に記載の発明は、請求項１に記載の発明に加えて、さらに、真空断熱材は、高温容器、または低温容器少なくともどちらか一方と密着および、固定するための部材を有したものである。   In addition to the invention of claim 1, the invention of claim 2 further includes a member for tightly fixing and fixing the vacuum heat insulating material to at least one of the high temperature container and the low temperature container. It is a thing.

これにより、部材により容器と真空断熱材を密着および固定することにより、隙間からの熱の漏洩を低減し、高温容器からの熱が低温容器に移りにくくなり、低温容器の温度上昇を防ぐことが出来る。   As a result, by adhering and fixing the container and the vacuum heat insulating material with a member, heat leakage from the gap is reduced, heat from the high temperature container becomes difficult to transfer to the low temperature container, and temperature rise of the low temperature container is prevented. I can do it.

また、請求項３に記載の発明は、請求項１または請求項２に記載の発明に加えて、さらに、高温容器は、断熱構造を持った真空二重容器としたものである。   Moreover, in addition to the invention of Claim 1 or Claim 2, the high temperature container is a vacuum double container having a heat insulating structure.

これにより、高温容器を真空二重管により覆うことで、高温容器からの熱の移動をより遮断し、高温容器からの熱が低温容器に移りにくくなり、低温容器の温度上昇を防ぐことが出来る。   Thus, by covering the high temperature container with a vacuum double tube, the heat transfer from the high temperature container is further blocked, the heat from the high temperature container becomes difficult to transfer to the low temperature container, and the temperature rise of the low temperature container can be prevented. .

また、請求項４に記載の発明は、請求項１から請求項３のいずれか一項に記載の発明に加えて、さらに、真空断熱材の外被材は、少なくとも片面は蒸着フィルムを有し、蒸着フィルム側を高温容器に向けたものである。   In addition to the invention described in any one of claims 1 to 3, the outer cover material of the vacuum heat insulating material further includes a vapor deposition film on at least one side. The vapor deposition film side is directed to the high temperature container.

これにより、蒸着フィルムを使用することで、真空断熱材表面でのヒートリークを抑制し、高温容器側に向けることで、低温容器側に熱が回り込むのを低減し、高温容器からの熱が低温容器に移りにくくなり、低温容器の温度上昇を防ぐことが出来る。   As a result, by using a vapor deposition film, heat leakage on the surface of the vacuum insulation material is suppressed, and by directing it toward the high temperature container side, heat is reduced from flowing into the low temperature container side, and heat from the high temperature container is low. It becomes difficult to move to a container, and the temperature rise of a low temperature container can be prevented.

また、請求項５に記載の発明は、請求項１から請求項４のいずれか一項に記載の発明に加えて、さらに、低温容器の周りに、保冷材を設けたものである。   In addition to the invention described in any one of claims 1 to 4, the invention described in claim 5 further includes a cold insulating material provided around the low-temperature container.

これにより、低温容器の周りに保冷材を設けることで周囲が冷やされ、より一層低温容器の温度上昇を防ぐことが出来る。   Thereby, the surroundings are cooled by providing a cold insulating material around the cryogenic container, and the temperature rise of the cryogenic container can be further prevented.

また、請求項６に記載の発明は、請求項１から請求項５のいずれか一項に記載の発明に加えて、さらに、真空断熱材の周辺に、結露を吸収する結露防止材を設けたものである。   In addition to the invention described in any one of claims 1 to 5, the invention described in claim 6 is further provided with a dew condensation preventing material that absorbs dew condensation around the vacuum heat insulating material. Is.

これにより、高温容器と低温容器による温度差により、真空断熱材表面に発生した結露を吸収する結露防止材により水分を吸収させることが出来る。   Thereby, moisture can be absorbed by the dew condensation preventing material that absorbs dew condensation generated on the surface of the vacuum heat insulating material due to a temperature difference between the high temperature container and the low temperature container.

以下、本発明によるランチジャーの実施の形態について、図面を参照しながら説明する。なお、この実施の形態によってこの発明が限定されるものではない。   Embodiments of a launcher according to the present invention will be described below with reference to the drawings. The present invention is not limited to the embodiments.

（実施の形態１）
図１および図２は本発明の実施の形態１によるランチジャーの縦断面図である。図３は本発明の実施の形態１によるランチジャーの横断面図である。 (Embodiment 1)
1 and 2 are longitudinal sectional views of a launcher according to Embodiment 1 of the present invention. FIG. 3 is a cross-sectional view of the launcher according to Embodiment 1 of the present invention.

図１から図３に示すように、本実施の形態のランチジャーは、米飯を入れる高温容器１と、惣菜を入れる低温容器２と、高温容器１および低温容器２を収納、取り出し出来る外ケース３と、高温容器１および低温容器２の間および上部または下部のいずれかの蓋にある脱着可能な様態の真空断熱材４で構成されている。   As shown in FIG. 1 to FIG. 3, the lunch jar of the present embodiment includes a high temperature container 1 for containing cooked rice, a low temperature container 2 for storing side dishes, and an outer case 3 that can store and take out the high temperature container 1 and the low temperature container 2. And a vacuum heat insulating material 4 in a removable state between the high temperature container 1 and the low temperature container 2 and on either the upper or lower lid.

さらに真空断熱材４は、高温容器１からの熱が低温容器２に移らないように間に両容器１，２より丈が高く、且つ上部または下部のいずれかの蓋にしたものである。これによって、図３に示すように、高温容器１または低温容器２のいずれか側に囲み、かつ蓋と一体となっていることで、容器側面用真空断熱材と蓋用真空断熱材との繋ぎ目から熱が逃げることがなくなるため、高温容器１周囲から逃げた熱の移動を遮断することとなり、低温容器２の温度上昇を防ぐことが出来る。   Further, the vacuum heat insulating material 4 is higher in height than both the containers 1 and 2 in between so that the heat from the high temperature container 1 does not transfer to the low temperature container 2 and is either a top or bottom lid. Thus, as shown in FIG. 3, the container is surrounded by either the high-temperature container 1 or the low-temperature container 2 and is integrated with the lid, thereby connecting the vacuum heat insulating material for the container side surface and the vacuum heat insulating material for the lid. Since heat does not escape from the eyes, the movement of the heat escaped from the periphery of the high temperature container 1 is blocked, and the temperature rise of the low temperature container 2 can be prevented.

以上により、飯容器と菜容器を横に並べて外ケース３に収納する形態でも、高温容器１から逃げた熱の影響により菜容器内の惣菜の腐敗を招き、食中毒の原因となりにくいものとなる。   As described above, even in the form in which the rice container and the vegetable container are arranged side by side and stored in the outer case 3, the side dishes in the vegetable container are rotted by the influence of the heat escaped from the high temperature container 1, and it is difficult to cause food poisoning.

ここで、高温容器１は胴体および蓋により構成され、それぞれ断熱保温性を有する断熱構造であれば、形状や材料は特に限定するものではないが、形状は円筒形や四角柱で、合成樹脂により一体成形し、発泡スチロールなどの断熱材により覆ったものが望ましい。   Here, the high-temperature container 1 is composed of a body and a lid, and the shape and material are not particularly limited as long as they are heat-insulating structures each having heat insulation and heat retention properties. It is desirable to integrally mold and cover with a heat insulating material such as polystyrene foam.

特に胴体は真空二重容器、または真空二重容器により覆う構造であれば、より一層高温容器からの熱の移動を防ぐことが出来る。   In particular, if the body is structured to be covered with a vacuum double container or a vacuum double container, heat transfer from the high-temperature container can be further prevented.

また、低温容器２は胴体および蓋により構成され、それぞれ断熱保温性を有さない断熱構造であれば、形状や材料は特に限定するものではないが、形状は円筒形や四角柱で、合成樹脂により一体成形したものが望ましい。   Further, the shape and material of the cryogenic container 2 are not particularly limited as long as the cryogenic container 2 includes a body and a lid, and each has a heat insulating structure that does not have heat insulating and heat retaining properties. It is desirable to integrally form the above.

外ケース３は、上部に開口部を有する下部ケースと、開口部を覆う蓋により構成され、それぞれ断熱保温性を有さない断熱構造であれば、形状や材料は特に限定するものではないが、通気性や柔軟性を考慮すると布製であることが望ましい。   The outer case 3 is composed of a lower case having an opening in the upper part and a lid that covers the opening, and the shape and material are not particularly limited as long as they have a heat insulating structure that does not have heat insulating and heat retaining properties. In consideration of air permeability and flexibility, it is desirable to use cloth.

図４は、本発明の実施の形態１によるランチジャーの斜面図である。   FIG. 4 is a perspective view of the launcher according to Embodiment 1 of the present invention.

図４に示す例は、外ケース３の下部ケースと真空断熱材４が一体となったものである。これにより、隙間からの熱の漏洩を低減し、高温容器１からの熱が低温容器２に移りにくくなり、低温容器２の温度上昇を防ぐことが出来る。   In the example shown in FIG. 4, the lower case of the outer case 3 and the vacuum heat insulating material 4 are integrated. Thereby, the leakage of heat from the gap is reduced, the heat from the high temperature container 1 becomes difficult to transfer to the low temperature container 2, and the temperature rise of the low temperature container 2 can be prevented.

なお、真空断熱材４と、外ケース３の蓋および下部ケースが一体となった構造であるが、容易に脱着可能な構造となっている。   In addition, although it is the structure where the vacuum heat insulating material 4, the lid | cover of the outer case 3, and the lower case were united, it has a structure which can be removed easily.

また、真空断熱材４は、少なくとも芯材、外被材で構成され、芯材を外被材で覆い外被材の内部を減圧したものである。   The vacuum heat insulating material 4 is composed of at least a core material and a jacket material, covers the core material with the jacket material, and decompresses the inside of the jacket material.

芯材は、ガラス繊維やロックウールといった無機繊維系、ポリエステル繊維といった有機繊維系、シリカといった粉末系など、特に限定するものではない。   The core material is not particularly limited, such as inorganic fiber systems such as glass fibers and rock wool, organic fiber systems such as polyester fibers, and powder systems such as silica.

外被材は、複数のフィルムにより構成されたラミネートフィルムである。ラミネート構成は、特に限定するものではないが、例えばナイロン、ポリエチレンテレフタレート、アルミニウム箔といった金属箔、またはアルミ以外の金属または無酸化物の蒸着膜を有したフィルムである。   The jacket material is a laminated film composed of a plurality of films. The laminate structure is not particularly limited, but is a film having a metal foil such as nylon, polyethylene terephthalate, and aluminum foil, or a metal or non-oxide deposited film other than aluminum.

ここで、蒸着膜を有したフィルムは、特に限定するものではないが、例えば、ポリエチレンビニルアルコール共重合体フィルムに蒸着を施したもの、ポリエチレンテレフタレートフィルムに蒸着を施したもの、さらには、それぞれの蒸着膜表面にコート材を施したものがある。   Here, the film having a vapor deposition film is not particularly limited, for example, a film obtained by vapor deposition on a polyethylene vinyl alcohol copolymer film, a film obtained by vapor deposition on a polyethylene terephthalate film, and further, Some have a coating material on the surface of the deposited film.

本実施の形態では、蒸着フィルムを含んだラミネートフィルムを、外被材の少なくとも片側に用い、高温容器１側に向けて真空断熱材４を取り付けている。   In the present embodiment, a laminate film including a vapor deposition film is used on at least one side of the jacket material, and the vacuum heat insulating material 4 is attached toward the high temperature container 1 side.

これにより、蒸着フィルムを使用することで、真空断熱材４の表面でのヒートリークを抑制し、高温容器１側に向けることで、低温容器２側に熱が回り込むのを低減し、高温容器１からの熱が低温容器２に移りにくくなり、低温容器１の温度上昇を防ぐことが出来る。   Thereby, by using a vapor deposition film, heat leak on the surface of the vacuum heat insulating material 4 is suppressed, and by directing to the high temperature container 1 side, it is possible to reduce heat from flowing to the low temperature container 2 side, and the high temperature container 1 It becomes difficult for the heat from the heat to move to the low temperature container 2, and the temperature rise of the low temperature container 1 can be prevented.

さらに、本実施の形態の真空断熱材４は、少なくとも二つの芯材により構成され、二つの芯材がラミネートフィルムの熱溶着部により繋がっている。   Furthermore, the vacuum heat insulating material 4 of this Embodiment is comprised by the at least 2 core material, and the 2 core materials are connected by the heat welding part of the laminate film.

図５は、本発明の実施の形態１による真空断熱材の上面図である。図６は、本発明の実施の形態１による真空断熱材の組立図である。   FIG. 5 is a top view of the vacuum heat insulating material according to Embodiment 1 of the present invention. FIG. 6 is an assembly view of the vacuum heat insulating material according to the first embodiment of the present invention.

図５のように、芯材の四角形の各辺に平行に、縦、横の方向に折曲線を形成出来るように、少なくとも二つの芯材を組み合わせたものを隣接する芯材と辺が対向するように、所定間隔離して配置されており、この芯材のそれぞれが独立した空間内に位置するように隣接する芯材の間に位置する外被材が熱溶着されている。   As shown in FIG. 5, the adjacent core material and the side face each other in a combination of at least two core materials so that a folding line can be formed in the vertical and horizontal directions parallel to each side of the quadrilateral of the core material. As described above, the outer cover members are disposed between the adjacent core members so that each of the core members is located in an independent space.

また、芯材の組み合わせ方は特に限定するものではなく、（ａ）のように各面を独立した芯材により形成してもよく、（ｂ）のように容器の周りを覆う芯材と蓋となる芯材の二つにより形成し、組立て時に芯材を折り曲げてもよい。   Further, the method of combining the core materials is not particularly limited, and each surface may be formed of an independent core material as shown in (a), and the core material and lid covering the periphery of the container as shown in (b). The core material may be bent at the time of assembly.

真空断熱材４を折り、組み立てると図６に示すようになる。なお、組立て時に各芯材の辺を貼り合わせるための材料は特に限定するものではないが、テープや接着剤がよい。   When the vacuum heat insulating material 4 is folded and assembled, it becomes as shown in FIG. In addition, although the material for bonding the edge | side of each core material at the time of an assembly is not specifically limited, A tape and an adhesive agent are good.

以上より、容器側面用真空断熱材と蓋用真空断熱材との繋ぎ目から熱が逃げることがなくなる。   As described above, heat does not escape from the joint between the vacuum heat insulating material for the container side surface and the vacuum heat insulating material for the lid.

図７は本発明の実施の形態１によるランチジャーの断面図である。図７において、固定部材５は真空断熱材４と高温容器１または低温容器２少なくともどちらか一方と密着および、固定するための部材である。   FIG. 7 is a cross-sectional view of the launcher according to Embodiment 1 of the present invention. In FIG. 7, the fixing member 5 is a member for closely contacting and fixing the vacuum heat insulating material 4 and at least one of the high temperature container 1 and the low temperature container 2.

これにより、部材により容器と真空断熱材４を密着および固定することにより、隙間からの熱の漏洩を低減し、高温容器１からの熱が低温容器２に移りにくくなり、低温容器２の温度上昇を防ぐことが出来る。   Accordingly, the container and the vacuum heat insulating material 4 are closely attached and fixed by the member, thereby reducing the leakage of heat from the gap, making it difficult for the heat from the high temperature container 1 to transfer to the low temperature container 2 and increasing the temperature of the low temperature container 2. Can be prevented.

図８および図９は本発明の実施の形態１によるランチジャーの断面図である。   8 and 9 are cross-sectional views of the launcher according to Embodiment 1 of the present invention.

図８に示す例は、低温容器２の周りに保冷材６を設けたものである。これにより、低温容器１の周囲が冷やされ、より一層低温容器の温度上昇を防ぐことが出来る。   In the example shown in FIG. 8, a cold insulating material 6 is provided around the cryogenic container 2. Thereby, the circumference | surroundings of the cryogenic container 1 are cooled and the temperature rise of a cryogenic container can be prevented further.

図９に示す例は、真空断熱材４の周辺に結露を吸収する結露防止材を設けたものである。本実施の形態では、真空断熱材４の表面に紙を張り、高温容器１と低温容器２による温度差により、真空断熱材４の表面に発生した結露の水分を吸収させることが出来る。   In the example shown in FIG. 9, a dew condensation preventing material that absorbs dew condensation is provided around the vacuum heat insulating material 4. In the present embodiment, paper is stretched on the surface of the vacuum heat insulating material 4, and moisture of condensation generated on the surface of the vacuum heat insulating material 4 can be absorbed by the temperature difference between the high temperature container 1 and the low temperature container 2.

これにより、結露による外ケース３内の湿気を防止し、湿気による低温容器２内の惣菜の腐敗を招くことを防ぐ。   This prevents moisture in the outer case 3 due to dew condensation and prevents the sugar beet in the low temperature container 2 from being spoiled by moisture.

本実施の形態では、結露防止材として紙を用いたが、特に限定するものではなく、例えば、水分吸着剤、吸水ポリマーといった水分を吸収されるものであればよい。   In the present embodiment, paper is used as the dew condensation preventing material, but there is no particular limitation, and any material that absorbs moisture such as a moisture adsorbent or a water absorbing polymer may be used.

以上のように、本実施の形態のランチジャーは、米飯を入れる高温容器１と、惣菜を入れる低温容器２と、高温容器１および低温容器２を収納、取り出し出来る外ケース３と、高温容器１および低温容器２の間にある脱着可能な様態の真空断熱材４で構成され、真空断熱材４は高温容器１および低温容器２より高く設け且つ高温容器１または低温容器２のいずれかを囲んでおり、高温容器１および低温容器２の間にある真空断熱材と上部または下部のいずれかの蓋の真空断熱材とがラミネートフィルムの熱溶着部により繋がっているものである。   As described above, the lunch jar of the present embodiment includes a high-temperature container 1 for storing cooked rice, a low-temperature container 2 for storing side dishes, an outer case 3 that can store and take out the high-temperature container 1 and the low-temperature container 2, and a high-temperature container 1. And the vacuum heat insulating material 4 in a detachable manner between the low temperature container 2 and the vacuum heat insulating material 4 is provided higher than the high temperature container 1 and the low temperature container 2 and surrounds either the high temperature container 1 or the low temperature container 2. In addition, the vacuum heat insulating material between the high temperature container 1 and the low temperature container 2 and the vacuum heat insulating material of either the upper or lower lid are connected by the heat welding portion of the laminate film.

これにより、飯容器と菜容器を横に並べて外ケースに収納する形態でも、熱影響により菜容器内の惣菜の腐敗を招き、食中毒の原因となりにくくすることが出来る。   As a result, even in a form in which the rice container and the vegetable container are arranged side by side and stored in the outer case, the vegetables in the vegetable container are rotted due to the heat effect, and it is difficult to cause food poisoning.

以上のように、本発明にかかるランチジャーは、高温容器から逃げた熱の移動を遮断し、低温容器の温度上昇を防ぐことが出来るが可能となるので、米飯や惣菜を入れた容器に関わらず、汁物や飲み物といった温かいもの、冷たいものを同時に入れた容器の用途にも適用出来る。   As described above, the launcher according to the present invention can block the movement of heat escaped from the high temperature container and prevent the temperature of the low temperature container from rising. In addition, it can also be applied to the use of containers that contain hot and cold things such as soups and drinks.

本発明によるランチジャーの実施の形態１の縦断面図1 is a longitudinal sectional view of a first embodiment of a launcher according to the present invention. 同実施の形態のランチジャーの縦断面図Vertical sectional view of the launcher of the same embodiment 同実施の形態のランチジャーの横断面図Cross-sectional view of the launcher of the same embodiment 同実施の形態のランチジャーの斜面図Slope view of the launcher of the same embodiment 同実施の形態のランチジャーに用いた真空断熱材の展開状態の平面図The top view of the expansion | deployment state of the vacuum heat insulating material used for the launcher of the embodiment 同実施の形態のランチジャーに用いた真空断熱材の組立図Assembly drawing of the vacuum heat insulating material used in the launcher of the same embodiment 同実施の形態のランチジャーの縦断面図Vertical sectional view of the launcher of the same embodiment 同実施の形態のランチジャーの縦断面図Vertical sectional view of the launcher of the same embodiment 同実施の形態のランチジャーの縦断面図Vertical sectional view of the launcher of the same embodiment

符号の説明Explanation of symbols

１ 高温容器
２ 低温容器
３ 外ケース
４ 真空断熱材
５ 固定部材
６ 保冷材
７ 結露防止材 DESCRIPTION OF SYMBOLS 1 High temperature container 2 Low temperature container 3 Outer case 4 Vacuum heat insulating material 5 Fixing member 6 Coolant 7 Condensation prevention material

Claims (6)

米飯を入れる高温容器と、惣菜を入れる低温容器と、前記高温容器および低温容器を収納、取り出し出来る外ケースと、前記高温容器および低温容器の間および上部または下部のいずれかの蓋にある脱着可能な様態の真空断熱材で構成され、前記真空断熱材は前記高温容器および低温容器より高く設け且つ前記高温容器または低温容器のいずれかを囲んでおり、前記高温容器および低温容器の間にある真空断熱材と、前記上部または下部のいずれかの蓋の真空断熱材がラミネートフィルムの熱溶着部により繋がっていることを特徴としたランチジャー。   A high temperature container for storing cooked rice, a low temperature container for side dishes, an outer case that can store and take out the high temperature container and the low temperature container, and a detachable between the high temperature container and the low temperature container and on either the upper or lower lid The vacuum heat insulating material is provided higher than the high temperature container and the low temperature container and surrounds either the high temperature container or the low temperature container, and the vacuum is between the high temperature container and the low temperature container. A launcher characterized in that the heat insulating material and the vacuum heat insulating material of either the upper or lower lid are connected by a heat-welded portion of a laminate film. 真空断熱材は、高温容器または低温容器少なくともどちらか一方と密着および、固定するための部材を有することを特徴とした請求項１に記載のランチジャー。   The launcher according to claim 1, wherein the vacuum heat insulating material has a member for adhering to and fixing at least one of the high temperature container and the low temperature container. 高温容器は、断熱構造を持った真空二重容器であることを特徴とした請求項１または請求項２に記載のランチジャー。   The launcher according to claim 1 or 2, wherein the high-temperature container is a vacuum double container having a heat insulating structure. 真空断熱材の外被材は、少なくとも片面には蒸着フィルムを有し、蒸着フィルム側を高温容器に向けることを特徴とした請求項１から請求項３のいずれか一項に記載のランチジャー。   The launcher according to any one of claims 1 to 3, wherein the outer jacket material of the vacuum heat insulating material has a vapor deposition film on at least one side, and the vapor deposition film side is directed to a high-temperature container. 低温容器の周りに、保冷材を設けたことを特徴とした請求項１から請求項４のいずれか一項に記載のランチジャー。   The lunch jar according to any one of claims 1 to 4, wherein a cold insulation material is provided around the low-temperature container. 真空断熱材の周辺に、結露を吸収する結露防止材を設けたことを特徴とした請求項１から請求項５のいずれか一項に記載のランチジャー。   The launcher according to any one of claims 1 to 5, wherein a dew condensation preventing material that absorbs dew condensation is provided around the vacuum heat insulating material.
JP2008182248A 2008-07-14 2008-07-14 Heat-retaining lunch bag Pending JP2010017437A (en)

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