JP4264045B2 - Cool storage - Google Patents

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JP4264045B2
JP4264045B2 JP2004285321A JP2004285321A JP4264045B2 JP 4264045 B2 JP4264045 B2 JP 4264045B2 JP 2004285321 A JP2004285321 A JP 2004285321A JP 2004285321 A JP2004285321 A JP 2004285321A JP 4264045 B2 JP4264045 B2 JP 4264045B2
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container
regenerator
reference scale
cold storage
flat container
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JP2006097984A (en
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一雄 田島
敏文 鈴木
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Sekisui Kasei Co Ltd
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本発明は、主として各種生鮮物の運搬用等の保冷容器において保冷効果を高めかつ持続させるのに用いる蓄冷体に関するものである。   The present invention relates to a cold storage body mainly used for enhancing and sustaining a cold insulation effect in a cold insulation container for transporting various fresh foods.

従来より、例えば野菜、魚介類、肉類等の各種生鮮物等の保管、輸送等に際しては、これを発泡スチロール等の合成樹脂発泡体よりなる保冷容器に収容する。この際、保冷効果を高めかつ持続させるために、合成樹脂製の容器内に蓄冷剤を封入した蓄冷体が使用されている。   Conventionally, for example, when storing and transporting various fresh products such as vegetables, seafood, and meat, they are stored in a cold storage container made of a synthetic resin foam such as polystyrene foam. At this time, in order to enhance and maintain the cold insulation effect, a cold storage body in which a cold storage agent is sealed in a synthetic resin container is used.

かかる蓄冷体としては、下記の特許文献1〜3のようにブロー成形等により成形された比較的扁平な容器内に蓄冷剤を封入してなるもので、その表裏面には、段積み時の位置決め、凍結時の接合防止及び冷却放熱効果の向上等のための適宜の凹部及び凸部が設けられている。   As such a regenerator, a regenerator is enclosed in a relatively flat container formed by blow molding or the like as in Patent Documents 1 to 3 below, Appropriate recesses and projections are provided for positioning, preventing joining during freezing, improving the cooling and heat dissipation effect, and the like.

前記合成樹脂製の扁平な容器内に封入される液状の蓄冷剤としては、粘性のあるゲル状の蓄冷剤も使用されているが、使用後の廃棄処理の容易性やコスト面から、近年は、水道水等の水を主成分とする粘性の低い液状の蓄冷剤が用いられることが多くなっている。   As a liquid regenerator encapsulated in a flat container made of synthetic resin, a viscous gel-like regenerator is also used, but in recent years from the viewpoint of ease of disposal after use and cost, In addition, a liquid regenerator having a low viscosity and containing water such as tap water as a main component is often used.

この液状の蓄冷剤は、ゲル状の蓄冷剤よりも合成樹脂製の容器を通して蒸発し易く、僅かではあるが経時的に次第に減少し、初期の保冷効果が得られないことになる。すなわち、前記蓄冷剤は、通常、凍結による体積増を考慮して容器内容量の80%程度が封入されるが、この蓄冷剤量が少なくなるほど、保冷効率は悪く、特に保冷効果の持続性が低下することになる。そのため、蓄冷剤量が予め定めた一定量より少なくなると、これを使用せず、廃棄処理することとしている。
特開平11−223440号公報 特開平11−257814号公報 特開2002−181423号公報
This liquid regenerator is more likely to evaporate through the synthetic resin container than the gel regenerator, and gradually decreases with time, but the initial cold insulation effect cannot be obtained. That is, the cold storage agent is normally filled with about 80% of the capacity of the container in consideration of the increase in volume due to freezing. However, the smaller the amount of the cold storage agent, the lower the cold storage efficiency, and in particular the sustainability of the cold storage effect. Will be reduced. For this reason, if the amount of the regenerator is less than a predetermined amount, it is not used but discarded.
JP-A-11-223440 Japanese Patent Laid-Open No. 11-257814 JP 2002-181423 A

前記特許文献1〜3に開示の蓄冷体にあっては、内部の蓄冷剤量を確認し使用の可否を判断すること、またその手段については全く思惟されていない。   In the regenerator disclosed in Patent Documents 1 to 3, the internal regenerator amount is confirmed to determine whether or not it can be used, and its means is not considered at all.

一般に、内部の蓄冷剤量の確認は、例えば重量を測定することにより行っているが、重量測定により確認するのはきわめて手数であり、また、多数の蓄冷体を取り扱う運搬業者が個々に重量を測定して蓄冷剤量を確認するのは実質的に不可能でもある。そのため、内部の蓄冷剤量がかなり減少したものについても、そのまま継続して使用していることが多い。この場合、蓄冷体による保冷効果が初期の場合よりも低下することになって、保冷容器内の保存の効果が損なわれ、収容物である生鮮物等に傷みが生じる等の問題が発生することになる。   In general, the amount of the internal regenerator is checked, for example, by measuring the weight. However, it is extremely troublesome to check the weight by measuring the weight, and a carrier handling a large number of regenerators individually checks the weight. It is virtually impossible to measure and confirm the amount of cold storage agent. Therefore, even if the amount of the internal regenerator is considerably reduced, it is often continuously used as it is. In this case, the cold storage effect by the cold storage body will be lower than in the initial case, the effect of storage in the cold storage container will be impaired, and problems such as damage to fresh goods etc. that are contained will occur become.

本発明は、上記に鑑みてなしたものであり、封入された蓄冷剤量を誰でも容易に目視により確認できるようにした蓄冷体を提供するものである。   This invention is made | formed in view of the above, and provides the cool storage body which enabled anyone to confirm the amount of enclosed cool storage agents easily visually.

上記の課題を解決する本発明は、略四角形の扁平な容器の内部に蓄冷剤を封入してなる蓄冷体であって、前記容器が内部の蓄冷剤を視認可能な合成樹脂により成形されてなり、四辺の一つを下にして該容器を立てた状態において容器内の蓄冷剤の有効使用が可能な最低量を示す基準目盛が設けられてなることを特徴とする。   The present invention for solving the above-mentioned problems is a cold storage body in which a cold storage agent is sealed inside a substantially rectangular flat container, and the container is formed of a synthetic resin that can visually recognize the internal cold storage agent. A reference scale indicating a minimum amount that can effectively use the regenerator in the container in a state where the container is erected with one of the four sides down is provided.

この蓄冷体によれば、内部の蓄冷剤量を確認する場合は、合成樹脂製の前記容器の四辺のうち、特に前記基準目盛が存する側とは反対側の辺を下にして該容器をテーブルや作業台等の上に立てた状態で、容器を通して視認できる内部の蓄冷剤の上面位置と前記基準目盛を見るだけでよく、これにより、蓄冷剤の上面が前記基準目盛より上にあるか否かを一目で確認でき、使用可能な最低量より多いか少ないかを容易に判断できる。   According to this cold storage body, when checking the amount of the internal cold storage agent, among the four sides of the container made of synthetic resin, the container is placed on the table with the side opposite to the side where the reference scale exists in particular facing down. It is only necessary to look at the position of the upper surface of the internal regenerator and the reference scale that can be seen through the container while standing on a workbench or the like, so that the upper surface of the regenerator is above the reference scale. It is easy to determine whether it is more or less than the minimum amount that can be used.

前記の蓄冷体において、前記扁平な容器が長方形であって、長辺を上下方向にして立てた状態において上側になる一方の短辺の側に前記基準目盛が設けられてなるものが好ましい。すなわち、長方形の扁平な容器であると、その長方形の長辺を上下方向にして立てた場合に、内部の蓄冷剤の減少による上面位置の変動が最も大きく現れるので、前記のように一方の短辺の側に前記基準目盛を設けておくことにより、内部蓄冷剤の上面の前記基準目盛に対する位置を、より正確に確認し判断することができる。   In the regenerator, it is preferable that the flat container is rectangular and the reference scale is provided on one short side which is an upper side in a state where the long side is set up and down. That is, in the case of a rectangular flat container, when the long side of the rectangle is erected in the vertical direction, the variation in the upper surface position due to the decrease in the internal regenerator appears most, so one short side as described above. By providing the reference scale on the side, it is possible to more accurately check and determine the position of the upper surface of the internal regenerator with respect to the reference scale.

また、前記長方形の容器の一方の短辺部分に把持部が設けられ、該把持部の側に前記基準目盛が設けられてなるものの場合は、前記把持部を把持して前記蓄冷体を容易に取り扱えるとともに、該把持部を把持した状態のまま、該把持部を上にして立てて内部の蓄冷剤量を確認することができ、その確認作業をさらに容易に行えることになる。   Further, in the case where a grip portion is provided on one short side portion of the rectangular container and the reference scale is provided on the grip portion side, the cool storage body can be easily gripped by gripping the grip portion. In addition to being able to handle, it is possible to check the amount of the internal regenerator with the gripping portion held up while the gripping portion is gripped, and the confirmation work can be further facilitated.

前記基準目盛が前記扁平な容器の表裏面の少なくとも一方の中央部に設けられてなるものが好ましい。すなわち、扁平な容器の中央部が最も見やすく、内部の蓄冷剤の上面位置を視認し易いばかりか、容器の傾きや内部蓄冷剤の揺れに対する変動も小さく、基準目盛に対する蓄冷剤の上面位置を簡単にかつ正確に判断できることになる。   It is preferable that the reference scale is provided at the center of at least one of the front and back surfaces of the flat container. In other words, the center of the flat container is most easily visible, and the top surface position of the internal regenerator is easy to see. This makes it possible to make accurate and accurate decisions.

前記基準目盛が、前記扁平な容器の成形と同時に形成されてなるものであると、該基準目盛の形成に特別の加工を必要とせず、1回の使用毎に洗浄して繰り返し使用する場合にも、前記基準目盛が消滅したり損傷する等の虞もない。   When the reference scale is formed simultaneously with the molding of the flat container, no special processing is required for the formation of the reference scale, and the cleaning is repeated and used for each use. However, there is no fear that the reference scale disappears or is damaged.

前記いずれの場合にも、前記基準目盛が、前記容器の全周に渡って連続線状もしくは断続線状に形成されてなるものであると、該容器の表裏面をいずれの方向に向けて立てた場合でも前記基準目盛を確認でき、以て該基準目盛に対する内部蓄冷剤の上面位置、つまりは蓄冷剤量を容易に確認することができる。   In any of the above cases, when the reference scale is formed in a continuous line shape or an intermittent line shape over the entire circumference of the container, the front and back surfaces of the container are faced in any direction. In this case, the reference scale can be confirmed, so that the position of the upper surface of the internal regenerator with respect to the reference scale, that is, the amount of the regenerator can be easily confirmed.

前記の基準目盛は、前記扁平な容器の表面に対し、成形後に熱圧、印刷、表示シート貼着等の手段により形成されてなるものとすることができ、この場合にも、上記同様に内部の蓄冷剤が蓄冷剤の有効使用が可能な最低量を示す基準目盛より多いか少ないかを容易に確認し判断することができる。   The reference scale may be formed on the surface of the flat container by means of hot pressing, printing, display sheet sticking, or the like after molding. It is possible to easily confirm and judge whether the amount of the regenerator is larger or smaller than the reference scale indicating the minimum amount that the regenerator can be used effectively.

前記蓄冷剤は、粘性の低い液状の蓄冷剤であって着色が施されてなるものが、合成樹脂より成形された容器を通して容易に視認できることになり、前記確認作業をさらに容易に行えることになる。   The regenerator is a liquid regenerator with low viscosity and colored, and can be easily seen through a container molded from a synthetic resin, so that the confirmation operation can be performed more easily. .

上記したように、本発明の蓄冷体によれば、封入された蓄冷剤の量を該容器を立てた状態で容器を通して視認できる蓄冷剤の上面位置を確認するだけで、前記基準目盛で示された使用可能な最低量より多いか少ないかを一目で判断でき、従って、その使用において、蓄冷剤量が過度に減少して、充分な保冷効果が得られないといった問題を生じさせるおそれがない。   As described above, according to the regenerator of the present invention, the amount of the enclosed regenerator is indicated on the reference scale only by confirming the upper surface position of the regenerator that can be seen through the container in a state where the container is stood. Therefore, it is possible to determine at a glance whether the amount is less than the minimum usable amount, and therefore, there is no possibility of causing a problem that the amount of the regenerator is excessively reduced and a sufficient cooling effect cannot be obtained.

次に本発明の実施の形態を図面に示す実施例に基づいて説明する。   Next, embodiments of the present invention will be described based on examples shown in the drawings.

図1は、本発明の蓄冷体の1実施例を示す斜視図、図2は同蓄冷体を裏返した斜視図、図3は同蓄冷体の一部を欠截した正面図、図4及び図5は同蓄冷体の断面図である。   FIG. 1 is a perspective view showing an embodiment of the regenerator of the present invention, FIG. 2 is a perspective view of the regenerator, and FIG. 3 is a front view of a part of the regenerator, FIG. 4 and FIG. 5 is a cross-sectional view of the regenerator.

本発明にかかる蓄冷体Aは、図に示すように、容器1の内部に蓄冷剤Lを封入してなるものである。前記容器1は、内部の蓄冷剤Lを視認可能な透明もしくは半透明の合成樹脂により、主としてブロー成形等の成形手段により一体に成形された略四角形の扁平な容器よりなる。この容器1の一辺に有するエア導入口等の口部1aより、所定量の蓄冷剤、例えば内部容量の80%程度の蓄冷剤Lが注入され、その注入後に、前記口部1aがスピンメルト等の手段により開栓不能に密閉され封入されている。   The regenerator A according to the present invention is formed by enclosing a regenerator L inside a container 1 as shown in the figure. The container 1 is composed of a substantially rectangular flat container that is integrally formed of a transparent or translucent synthetic resin that can visually recognize the internal regenerator L, mainly by molding means such as blow molding. A predetermined amount of cool storage agent, for example, a cool storage agent L of about 80% of the internal volume, is injected from a mouth portion 1a such as an air inlet port on one side of the container 1, and after the injection, the mouth portion 1a is made of spin melt or the like. It is sealed and sealed so that it cannot be opened by means.

前記扁平な容器1は、角部にやや丸みをつけた略四角形であれば、略正方形をなすものでもよいが、基本的には長方形をなすものが好ましい。図の場合、長方形の一方の短辺部分に把持部2が設けられており、該把持部2を把持して容易に取り扱えるように形成されている。通常、前記エア導入口等の口部1aは前記把持部2とは反対側の短辺部分に設けられる。   The flat container 1 may be a substantially square shape as long as it is a substantially square shape with a slightly rounded corner, but basically a rectangular shape is preferred. In the case of the figure, the grip portion 2 is provided on one short side of the rectangle, and is formed so that the grip portion 2 can be gripped and handled easily. Usually, the mouth portion 1 a such as the air inlet is provided on the short side portion opposite to the grip portion 2.

前記容器1の表裏面3,4には、表裏で対応する所要の個所に、複数の容器1を段積みする際の位置決め、凍結時の接合防止や冷却放熱効果の向上等のための凸部5と凹部6とが設けられている。図の場合、表面3の側に凸部5が設けられ、裏面4の側に凹部6が設けられている。   On the front and back surfaces 3 and 4 of the container 1, convex portions for positioning when stacking a plurality of containers 1 at the required positions corresponding to the front and back surfaces, preventing joining during freezing and improving the cooling and heat dissipation effect, etc. 5 and a recess 6 are provided. In the case of the figure, a convex portion 5 is provided on the front surface 3 side, and a concave portion 6 is provided on the back surface 4 side.

前記容器1の表裏面3,4は、前記凸部5と凹部6の中央に形成された円形凹部5a,6aの個所で結合され、さらに他の円形凹部7,8の個所でも結合されることにより、凍結時の膨らみ変形を防止できるように補強されている。図中の9は、前記容器1の長方形の長辺に設けられた凸縁であり、保冷容器等に収容して使用する場合の支持部に利用できるように設けられている。   The front and back surfaces 3 and 4 of the container 1 are coupled at the location of the circular recesses 5a and 6a formed at the center of the projection 5 and the recess 6 and also at the locations of the other circular recesses 7 and 8. Thus, it is reinforced so as to prevent bulge deformation during freezing. 9 in the figure is a convex edge provided on the long side of the rectangle of the container 1, and is provided so that it can be used as a support part when used in a cold storage container or the like.

本発明の蓄冷体Aにおいては、前記の略四角形の扁平な容器1の四辺の一つを下にして前記容器1を立てた状態において前記容器1内の蓄冷剤Lの有効使用が可能な最低量を示す基準目盛10が、主として上半部における前記最低量に相当するラインに沿って設けられている。これにより、前記蓄冷剤Lの上面L1の位置が前記基準目盛10の上か下かにより、蓄冷剤量を確認できるようになっている。   In the cool storage body A of the present invention, the cool storage agent L in the container 1 can be effectively used in a state where the container 1 is stood with one of the four sides of the substantially rectangular flat container 1 facing down. A reference scale 10 indicating the amount is provided mainly along a line corresponding to the minimum amount in the upper half. Thus, the amount of the regenerator can be confirmed depending on whether the position of the upper surface L1 of the regenerator L is above or below the reference scale 10.

特に好ましくは、前記容器1が長方形の場合に、長方形の長辺を上下方向にして、つまり両短辺を上下にして立てた状態において、上部側になる一方の短辺の側に、前記蓄冷剤Lの最低量を示す基準目盛10が設けられる。また、図のように、一方の短辺部分に把持部2が設けられている場合は、該把持部2の側に設けられており、把持部2を持って立てた状態で内部の蓄冷剤Lの量を確認できるようになっている。   Particularly preferably, in the case where the container 1 is rectangular, the cold storage is provided on one short side which is the upper side in a state where the long side of the rectangle is set up and down, that is, both short sides are set up and down. A reference scale 10 indicating the minimum amount of agent L is provided. Further, as shown in the figure, when the grip portion 2 is provided on one short side portion, it is provided on the grip portion 2 side, and the internal regenerator is in a state where the grip portion 2 is held up. The amount of L can be confirmed.

例えば、蓄冷剤Lの有効使用が可能な最低量が前記容器1の内容量の60%である場合には、該容器1を前記の立てた状態において内容量の60%になるラインに沿って設けられる。   For example, when the minimum amount in which the regenerator L can be effectively used is 60% of the internal capacity of the container 1, along the line that becomes 60% of the internal capacity when the container 1 is in the standing state. Provided.

前記基準目盛10としては、図のように、前記扁平な容器1の表裏面3,4の少なくとも一方の中央部において所定の長さを持つ線状や断続線状に形成しておくのが、内部蓄冷剤の上面位置を正確に確認する上で好ましい。この基準目盛10は、前記容器1のブロー成形等の成形により同時に凸条や凹条に形成しておくのが、該基準目盛10の損傷や洗浄による消滅を防止する上で特に好ましい。   As the reference scale 10, as shown in the figure, it is formed in a linear or intermittent line having a predetermined length in the central part of at least one of the front and back surfaces 3 and 4 of the flat container 1, This is preferable for accurately confirming the upper surface position of the internal regenerator. It is particularly preferable that the reference scale 10 is formed on the ridges and the recesses at the same time by molding such as blow molding of the container 1 in order to prevent damage to the reference scale 10 and disappearance due to cleaning.

前記の線状や断続線状の基準目盛10は、必ずしも図のように1本である必要はなく、前記最低量の蓄冷剤Lの上面に相当するラインを基準にして、2本以上を平行に形成しておくことができる。また、前記基準目盛10として、1個もしくは複数個の点状の基準目盛を形成して実施することができる。これらの場合も、ブロー成形等の成形により凸状、凹状に形成することができる。   The linear or intermittent reference scale 10 does not necessarily have to be one as shown in the figure, and two or more reference scales 10 are parallel with respect to the line corresponding to the upper surface of the minimum amount of the regenerator L. Can be formed. The reference scale 10 can be implemented by forming one or a plurality of point-like reference scales. Also in these cases, it can be formed into a convex shape or a concave shape by molding such as blow molding.

さらに、前記の基準目盛10として、前記長方形の容器1の長手方向に対して直行する方向に全周に渡って連続線状もしくは断続線状に形成して、いずれの方向からでも確認できるように設けることができる。この場合も、ブロー成形等の成形により凸条や凹条に形成しておくのが望ましい。   Further, the reference scale 10 is formed in a continuous line shape or an intermittent line shape over the entire circumference in a direction perpendicular to the longitudinal direction of the rectangular container 1 so that it can be confirmed from any direction. Can be provided. In this case as well, it is desirable to form the ridges or ridges by molding such as blow molding.

前記の基準目盛10としては、前記扁平な容器1の外表面に対して、成形後の熱圧加工、印刷表示等の手段により形成することも、また表示シート貼着等の手段により形成しておくこともできる。例えば、前記容器1の外表面に、生産会社、商品名、材料等の表示プレートを貼着する場合に、該プレートの外縁を前記基準目盛10を兼用するように貼着して実施することができる。また、前記容器1の表裏面3,4に形成される他の機能を持つ凸部や凹部の一部あるいはその形状線を、前記基準目盛10を兼ねるように形成して実施することもできる。   The reference scale 10 may be formed on the outer surface of the flat container 1 by means of hot pressing after molding, printing display, or by means such as sticking a display sheet. It can also be left. For example, when a display plate such as a production company, a trade name, or a material is attached to the outer surface of the container 1, the outer edge of the plate may be attached so as to also serve as the reference scale 10. it can. Further, it is possible to carry out by forming a convex part having another function formed on the front and back surfaces 3 and 4 of the container 1, a part of the concave part or its shape line so as to also serve as the reference scale 10.

上記の蓄冷体Aにおいて、前記容器1の構成素材としては、低温脆性等に優れ、かつブロー成形等の成形が容易に可能な合成樹脂で、特に内部の蓄冷剤Lを外部から視認できる程度の透過性を有する合成樹脂であればよく、例えば、ポリエチレン、ポリプロピレン等のポリオレフィン系樹脂、ポリアミド系樹脂、ポリエステル系樹脂等の汎用性のある樹脂を例示できる。特に、低温脆性に優れ、耐水性及び耐薬品性等に優れるポリオレフィン系樹脂が好適に使用される。また、比較的成形が容易で、高い強度を持つ高密度ポリエチレンが、より好ましく使用される。   In the regenerator A, the constituent material of the container 1 is a synthetic resin that is excellent in low-temperature brittleness and can be easily molded, such as blow molding, and is particularly capable of visually recognizing the internal regenerator L from the outside. Any synthetic resin may be used as long as it is permeable. Examples thereof include general-purpose resins such as polyolefin resins such as polyethylene and polypropylene, polyamide resins, and polyester resins. In particular, a polyolefin resin that is excellent in low-temperature brittleness and excellent in water resistance and chemical resistance is preferably used. Further, high-density polyethylene that is relatively easy to mold and has high strength is more preferably used.

なお、前記容器1は、前記合成樹脂を素材にするものであれば、ブロー成形のほか、射出成形等の他の成形手段により一体に成形することも可能である。また、内部の蓄冷剤を視認できる程度の透過性を有する合成樹脂としては、着色の有無に関係なく、透明や半透明で、内部の蓄冷剤の上面位置を確認できるものであればよく、特には素材樹脂の持つ自然色が望ましい。   In addition, as long as the said container 1 uses the said synthetic resin as a raw material, it is also possible to shape | mold integrally by other shaping | molding means, such as injection molding other than blow molding. In addition, as a synthetic resin having such a degree of transparency that the internal regenerator can be visually recognized, it may be transparent or translucent regardless of the presence or absence of coloration, as long as it can confirm the upper surface position of the internal regenerator, The natural color of the material resin is desirable.

前記合成樹脂により成形される前記容器1としては、その肉厚が0.5〜2.0mm、より好ましくは0.8〜1.5mmのものとする。これにより、使用上必要な容器強度を確保できて、しかも容器重量のバランスも良く、好適に使用できる。容器1の大きさや厚み及び内容量は、使用形態に応じて適宜設定できる。   The container 1 formed of the synthetic resin has a thickness of 0.5 to 2.0 mm, more preferably 0.8 to 1.5 mm. Thereby, the container strength required for use can be secured, and the balance of the container weight is good, so that the container can be suitably used. The size, thickness, and internal volume of the container 1 can be appropriately set according to the usage pattern.

また、内部に封入される蓄冷剤Lは、水を主成分とし、これに、凝固点降下剤、ゲル化剤、保存料等を配合した、比較的流動性のよい液状の蓄冷剤であり、中でも、容器を通して容易に視認できるように着色を施した液状蓄冷剤が好適に用いられる。例えば、水道水を主材として、これに凝固点降下剤としてポリエチレングリコールを、ゲル化剤としてカルボキシメチルセルロースを、保存料としてジヒドロ酢酸ナトリウムを配合し、さらに着色料として食用青色2号を配合したものを例示できる。ゲル状の蓄冷剤を使用することもできるが、廃棄処理の容易性やコスト面から、前記の水を主成分とする液状の蓄冷剤が好適に用いられる。   In addition, the regenerator L enclosed inside is a liquid regenerator with relatively good fluidity, in which water is the main component, and a freezing point depressant, a gelling agent, a preservative and the like are blended therein. A liquid regenerator that is colored so that it can be easily seen through the container is preferably used. For example, tap water is the main ingredient, polyethylene glycol is blended as a freezing point depressant, carboxymethylcellulose is blended as a gelling agent, sodium dihydroacetate is blended as a preservative, and edible blue No. 2 is blended as a colorant. It can be illustrated. Although a gel-like cold storage agent can be used, from the viewpoint of ease of disposal and cost, the liquid cold storage agent containing water as a main component is preferably used.

上記の蓄冷体Aは、例えば野菜、魚介類、肉類等の各種生鮮物等を、発泡スチロール等の合成樹脂発泡体よりなる保冷容器Bに収容して保管、輸送する場合に、該蓄冷体Aを冷凍し凍結させておいて、図6のように、該保冷容器B内に前記生鮮物等とともに収容し、上部に合成樹脂発泡体製の蓋(蓋は省略)を被着して使用する。   The regenerator A, for example, when storing, transporting various fresh products such as vegetables, seafood, meat, etc. in a cold storage container B made of a synthetic resin foam such as polystyrene foam, After freezing and freezing, as shown in FIG. 6, it is housed in the cold storage container B together with the fresh food and the like, and a lid made of a synthetic resin foam (with the lid omitted) is attached to the top.

そして、繰り返し使用により、内部の蓄冷剤Lが蒸発により減少した場合において、内部の蓄冷剤量を予め定めた一定量以上であるか否かを確認する際は、図3のように、扁平な略長方形の容器1の四辺のうち、特に前記基準目盛10が存する側とは反対側の短辺を下にして、つまり長方形の長辺を上下方向にして該容器1をテーブルや作業台上に立てる。前記短辺部分に把持部2が設けられている場合は、該把持部2を持ったまま前記容器1を立てて、内部の蓄冷剤Lの上面L1の位置を確認する。   When the internal regenerator L is reduced by evaporation due to repeated use, when checking whether the internal regenerator amount is a predetermined amount or more, as shown in FIG. Of the four sides of the substantially rectangular container 1, in particular, the container 1 is placed on a table or work table with the short side opposite to the side on which the reference scale 10 is present facing down, that is, with the long side of the rectangle up and down. Stand up. When the grip portion 2 is provided on the short side portion, the container 1 is erected while holding the grip portion 2, and the position of the upper surface L1 of the internal regenerator L is confirmed.

すなわち、前記のように容器1を立てると、前記基準目盛10が該容器1の上部側に位置するので、このときの蓄冷剤Lの上面L1が前記基準目盛10より上にあるか否か、すなわち使用可能な最低量より多いか少ないかを、一目でかつ誰でも容易に確認し判断できる。そのため、多数の蓄冷体を取り扱う運送業者においても、蓄冷剤量の確認が問題なく可能になり、蓄冷剤量が過度に減少した状態での使用を回避でき、輸送中の生鮮物の鮮度劣化等の問題発生を防止できる。   That is, when the container 1 is erected as described above, since the reference scale 10 is located on the upper side of the container 1, whether or not the upper surface L1 of the regenerator L at this time is above the reference scale 10; In other words, anyone can easily confirm and judge at a glance whether there is more or less than the minimum usable amount. Therefore, even for carriers that handle a large number of cool storage bodies, it is possible to check the amount of cool storage agent without problems, avoiding use when the amount of cool storage agent is excessively reduced, and deterioration of freshness of fresh food during transportation, etc. Can prevent the occurrence of problems.

本発明は、主として各種生鮮物の運搬用等の保冷容器において保冷効果を高めかつ持続させるための蓄冷体、特に、水を主成分とする液状の蓄冷剤を封入した蓄冷体において好適に利用できる。   INDUSTRIAL APPLICABILITY The present invention can be suitably used for a regenerator for mainly enhancing and sustaining a cold insulation effect in a cool container for transporting various fresh foods, in particular, a regenerator that encloses a liquid regenerator mainly composed of water. .

本発明の蓄冷体の1実施例を示す斜視図である。It is a perspective view which shows one Example of the cool storage body of this invention. 同上の蓄冷体を裏返した斜視図である。It is the perspective view which turned over the cool storage body same as the above. 同上の蓄冷体を立てた状態の一部を欠截した正面図である。It is the front view which omitted a part of the state which stood the cool storage body same as the above. 図3のX−X線の断面図である。It is sectional drawing of the XX line of FIG. 図3のY−Y線の断面図である。It is sectional drawing of the YY line | wire of FIG. 保冷容器に蓄冷体を収容する状態の斜視図である。It is a perspective view of the state which stores a cool storage object in a cold storage container.

符号の説明Explanation of symbols

A 蓄冷体
B 保冷容器
L 蓄冷剤
1 容器
1a 口部
2 把持部
3,4 表裏面
5 凸部
6 凹部
5a,6a 円形凹部
7,8 円形凹部
9 凸縁
10 基準目盛
A Cold storage body B Cold storage container L Cold storage agent 1 Container 1a Mouth part 2 Grasping part 3, 4 Front and back 5 Convex part 6 Concave part 5a, 6a Circular concave part 7,8 Circular concave part 9 Convex edge 10 Reference scale

Claims (8)

略四角形の扁平な容器の内部に蓄冷剤を封入してなる蓄冷体であって、前記容器が内部の蓄冷剤を視認可能な合成樹脂により成形されてなり、四辺の一つを下にして該容器を立てた状態において容器内の蓄冷剤の有効使用が可能な最低量を示す基準目盛が設けられてなることを特徴とする蓄冷体。   A cold storage body in which a cold storage agent is sealed inside a substantially rectangular flat container, wherein the container is formed of a synthetic resin in which the internal cold storage agent can be visually recognized, with one of the four sides facing down. A regenerator that is provided with a reference scale that indicates a minimum amount that enables effective use of the regenerator in the container in a state where the container is erected. 前記扁平な容器が長方形であって、長辺を上下方向にして立てた状態において上側になる一方の短辺の側に前記基準目盛が設けられてなる請求項1に記載の蓄冷体。   The regenerator according to claim 1, wherein the flat container is a rectangle, and the reference scale is provided on one short side that is an upper side in a state where the long side is set up and down. 前記長方形の容器の一方の短辺部分に把持部が設けられ、該把持部の側に前記基準目盛が設けられてなる請求項2に記載の蓄冷体。   The regenerator according to claim 2, wherein a grip portion is provided on one short side portion of the rectangular container, and the reference scale is provided on the grip portion side. 前記基準目盛が、前記扁平な容器の表裏面の少なくとも一方の中央部に設けられてなる請求項1〜3のいずれか1項に記載の蓄冷体。   The regenerator according to any one of claims 1 to 3, wherein the reference scale is provided at a central portion of at least one of the front and back surfaces of the flat container. 前記基準目盛が、前記扁平な容器の成形と同時に形成されてなる請求項1〜4のいずれか1項に記載の蓄冷体。   The regenerative body according to any one of claims 1 to 4, wherein the reference scale is formed simultaneously with the molding of the flat container. 前記基準目盛が、前記扁平な容器の全周に渡って連続線状もしくは断続線状に形成されてなる請求項1〜5のいずれか1項に記載の蓄冷体。   The regenerator according to any one of claims 1 to 5, wherein the reference scale is formed in a continuous line shape or an intermittent line shape over the entire circumference of the flat container. 前記基準目盛が、前記扁平な容器の表面に対し、成形後に熱圧、印刷、表示シート貼着等の手段により形成されてなる請求項1〜4のいずれか1項に記載の蓄冷体。   The regenerator according to any one of claims 1 to 4, wherein the reference scale is formed on the surface of the flat container by means such as hot pressing, printing, and display sheet sticking after molding. 前記蓄冷剤が、水を主成分とする液状の蓄冷剤であって、着色が施されてなる請求項1〜7のいずれか1項に記載の蓄冷体。   The said cool storage agent is a liquid cool storage agent which has water as a main component, Comprising: Coloring is given, The cool storage body of any one of Claims 1-7.
JP2004285321A 2004-09-29 2004-09-29 Cool storage Expired - Fee Related JP4264045B2 (en)

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