JP2847609B2 - Method and apparatus for measuring air content of air-containing sealed flexible package - Google Patents
Method and apparatus for measuring air content of air-containing sealed flexible packageInfo
- Publication number
- JP2847609B2 JP2847609B2 JP5147528A JP14752893A JP2847609B2 JP 2847609 B2 JP2847609 B2 JP 2847609B2 JP 5147528 A JP5147528 A JP 5147528A JP 14752893 A JP14752893 A JP 14752893A JP 2847609 B2 JP2847609 B2 JP 2847609B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- flexible package
- gas
- sealed flexible
- package
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Seeds, Soups, And Other Foods (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、液体等の流動物と気体
とを収容した密封柔軟包装体において、該気体量あるい
は含気率を非接触で高精度に測定する含気密封柔軟包装
体の含気率測定方法及び装置に関する。以下含気密封柔
軟包装体を単に含気密封包装体という。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed flexible package containing a fluid such as a liquid and a gas, wherein the gas amount or the gas content is measured in a non-contact and highly accurate manner. The present invention relates to a method and an apparatus for measuring an air content. Hereinafter, the air-tight sealed flexible package is simply referred to as an air-tight sealed package.
【０００２】[0002]
【発明の背景】レトルトパウチにカレー、シチュー等の
液状食品と空気、不活性ガス等の気体とを一緒に収容し
て密封した含気密封包装体は、回転させながら加圧・加
熱する回転式レトルト殺菌処理が行われいる。本発明者
は、この回転式レトルト殺菌処理において、収容されて
いる気体の割合すなわち含気率が殺菌処理の効率すなわ
ち殺菌効果に大きな影響を及ぼすということを多くの実
験の結果から知見した。すなわち、含気密封包装体の含
気率を２ないし５０％にすると殺菌効果が大きくなり、
また複数の含気密封包装体間の含気率のばらつきがー３
ないし１０％になると殺菌の不均一性や過加熱による収
容物の劣化が少なくなるという結論が得られた。BACKGROUND OF THE INVENTION A gas-tight sealed package containing a retort pouch and a liquid food such as curry and stew and a gas such as air and an inert gas is sealed together. Retort sterilization is being performed. The present inventor has found from the results of many experiments that in this rotary retort sterilization treatment, the ratio of the contained gas, that is, the air content greatly affects the efficiency of the sterilization treatment, that is, the sterilization effect. That is, when the air content of the air-tight sealed package is set to 2 to 50%, the sterilizing effect is increased,
In addition, the variation of the air content among a plurality of air-containing sealed packages is -3.
It was concluded that when the content was reduced to 10%, the non-uniformity of sterilization and the deterioration of the contents due to overheating were reduced.
【０００３】ところで、可撓性フイルムによって形成さ
れたレトルトパウチ容器は、柔軟性があるから、剛性あ
るいは準剛性のカップ、トレー等に比較して含気率を調
整したり測定すすることが非常に困難である。また、レ
トルトパウチ容器の含気率を、迅速にかつ高精度に、特
に産業上利用可能なように連続的に測定することができ
る装置は存在していない。[0003] By the way, since the retort pouch container formed of a flexible film is flexible, it is very difficult to adjust or measure the air content compared to a rigid or semi-rigid cup, tray or the like. Difficult. Further, there is no device capable of measuring the air content of a retort pouch container quickly and with high accuracy, particularly continuously so as to be industrially usable.
【０００４】[0004]
【発明の目的】本発明は、含気密封包装体の含気率を非
接触で迅速にかつ高精度に、特に産業上利用可能なよう
に連続的に測定することができる方法及び装置を提供す
ることを目的とする。本発明はさらに、回転式レトルト
殺菌処理を効率的に行うために含気密封包装体を含気率
によって選別する含気密封包装体の選別装置を提供する
ことを目的とする。An object of the present invention is to provide a method and an apparatus which can measure the air content of a gas-tight sealed package quickly and accurately without contact, particularly continuously so that it can be used industrially. The purpose is to do. It is another object of the present invention to provide a device for selecting a gas-tight sealed package according to a gas content in order to efficiently perform a rotary retort sterilization process.
【０００５】[0005]
【発明の構成】本発明は、流動物と気体を収容した含気
密封柔軟包装体であって、前記流動物を安定させる載置
台に含気密封柔軟包装体を載置した後、該含気密封柔軟
包装体の表面の温度分布を検出することによって含気率
を演算することを特徴とする含気密封柔軟包装体の含気
率測定方法である。本発明はまた、流動物と気体を収容
した含気密封柔軟包装体であって、前記流動物を安定さ
せて含気密封柔軟包装体を載置する載置台と、該載置台
の近傍に配置され、含気密封柔軟包装体の表面の温度分
布を検出する検出部とを備えたことを特徴とする含気密
封柔軟包装体の含気率測定装置である。SUMMARY OF THE INVENTION The present invention relates to a gas-tight sealed flexible package containing a fluid and a gas, wherein the flexible package is placed on a mounting table for stabilizing the fluid, and then the gas-sealed flexible package is placed. This is a method for measuring the air content of an air-sealed flexible package, wherein the air content is calculated by detecting the temperature distribution on the surface of the sealed flexible package. The present invention is also an air-containing hermetically sealed flexible package containing a fluid and a gas, wherein the mounting table for mounting the air-containing hermetically sealed flexible package by stabilizing the fluid is placed near the mounting table. And a detector for detecting the temperature distribution on the surface of the air-tightly sealed flexible package.
【０００６】本発明はまた、流動物と気体を収容した含
気密封柔軟包装体であって、前記流動物を安定させて含
気密封柔軟包装体を載置する載置台と、該載置台の近傍
に配置され、含気密封柔軟包装体の表面の温度分布を検
出する検出部と、含気密封柔軟包装体を冷却するための
冷却装置とを包含することを特徴とする含気密封柔軟包
装体の含気率測定装置である。本発明はまた、流動物と
気体を収容した含気密封柔軟包装体であって、前記流動
物を安定させて含気密封柔軟包装体を載置する載置台
と、該載置台の近傍に配置され、含気密封柔軟包装体の
表面の温度分布を検出する検出部と、含気密封柔軟包装
体を加熱するための加熱装置とを包含することを特徴と
する含気密封柔軟包装体の含気率測定装置である。The present invention also relates to an air-containing hermetically sealed flexible package containing a fluid and a gas, comprising: a mounting table for stabilizing the fluid and mounting the air-containing hermetically sealed flexible package; A pneumatically-sealed flexible package comprising: a detection unit that is disposed in the vicinity and detects a temperature distribution on the surface of the air-containing hermetically sealed flexible package; and a cooling device for cooling the air-containing hermetically sealed flexible package. It is a body air content measuring device. The present invention is also an air-containing hermetically sealed flexible package containing a fluid and a gas, wherein the mounting table for mounting the air-containing hermetically sealed flexible package by stabilizing the fluid is placed near the mounting table. And a detecting unit for detecting a temperature distribution on the surface of the air-tightly sealed flexible package, and a heating device for heating the air-tightly sealed flexible package. It is a porosity measuring device.
【０００７】本発明はさらに、流動物と気体を収容した
含気密封柔軟包装体であって、前記流動物を安定させて
含気密封柔軟包装体を載置する載置台と、該載置台の近
傍に配置され、含気密封柔軟包装体の表面の温度分布を
検出する検出部と、さらに検出部の出力から含気密封柔
軟包装体の選別信号を演算して出力する演算部を有する
とを特徴とする含気密封柔軟包装体選別装置である。[0007] The present invention further provides a gas-tight sealed flexible package containing a fluid and a gas, the mounting table for stabilizing the fluid and mounting the gas-tight sealed flexible package, and A detection unit that is disposed in the vicinity and detects a temperature distribution on the surface of the air-containing sealed flexible package, and further includes a calculation unit that calculates and outputs a selection signal of the air-containing sealed flexible package from the output of the detection unit. This is an air-tight sealed flexible package sorting apparatus.
【０００８】[0008]
【作用】上記構成によれば、水平等の一定方向に向けて
置かれた含気密封包装体の内部で上方に位置した気体の
周囲境界あるいは面積を、気体の部分と内容物部分との
温度差あるいは熱容量差によって検出することができ、
これによって含気率を求めることができる。According to the above construction, the surrounding boundary or area of the gas located above inside the air-containing sealed package placed in a fixed direction such as horizontal is determined by the temperature between the gas portion and the content portion. Difference or heat capacity difference,
Thereby, the air content can be obtained.
【０００９】[0009]
【実施例】以下、本発明の実施例の含気密封包装体の測
定装置を図に基づいて説明する。含気密封包装体の不良
品検出装置１は、図１に示すように、例えばカレー、シ
チュー等の充填物を空気、不活性ガス等の気体と共にレ
トルトパウチに充填密封して得られた含気密封包装体を
寝かせた状態で搬送する第１コンベアー（搬送路）１０
１を有する。第１コンベアー１０１は、含気密封包装体
としてスタンディングパウチのような上端部分と下端部
分とで厚さの異なるものを搬送する場合には、寝かせた
状態のスタンディングパウチの上面がほぼ水平になるよ
うに、傾斜させることが望ましい。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an apparatus for measuring an air-tightly sealed package according to an embodiment of the present invention. As shown in FIG. 1, a defective product detecting device 1 for an air-tight sealed package is obtained by filling and sealing a retort pouch together with a gas such as air and an inert gas, for example, a curry, a stew or the like. First conveyor (transport path) 10 for transporting hermetically sealed packages in a lying state
One. When the first conveyor 101 transports a pneumatically sealed package such as a standing pouch having different thicknesses at the upper end and the lower end, the upper surface of the standing pouch in a laid state is substantially horizontal. In addition, it is desirable to incline.
【００１０】また、スタンディングパウチ等が常に一定
の形状を保持させるようにすることが、各含気密封包装
体中の気体の位置をバラツキなく安定させ、含気密封包
装体中の気体の体積をより確実に測定し得る点で望まし
い。そうした手段としては、第１コンベアー１０１上
に、理想とするスタンディングパウチの底面の形状、側
面の形状を象った型枠（図示せず）を配置することが望
ましい。[0010] Further, the standing pouch or the like always keeps a fixed shape, so that the position of gas in each air-containing sealed package is stabilized without variation, and the volume of gas in the air-containing sealed package is reduced. This is desirable because measurement can be performed more reliably. As such a means, it is desirable to arrange a form (not shown) on the first conveyer 101 that imitates the ideal shape of the bottom and side surfaces of the standing pouch.
【００１１】また、同様の理由から第１コンベアー１０
１の後述する検出器までの任意の位置に、上方に加圧ロ
ーラ（図示せず）を設けることもできる。該加圧ローラ
は回転軸が垂直方向に移動可能に支持されていること
が、加圧ローラの加圧によるレトルトパウチの破袋を有
効に防止する上で望ましい。また、上記加圧ローラに代
えて、平板を上下動させることにより寝かせた状態のレ
トルトパウチを加圧する手段、あるいは凹状の加圧面を
上下動させることにより寝かせた状態のレトルトパウチ
の外周部分を加圧する手段を採用しても良いが、最後の
手段がレトルトパウチ中の気体を所定の位置に安定的に
保持させる点で最も望ましい。For the same reason, the first conveyor 10
A pressure roller (not shown) may be provided at an arbitrary position up to a detector 1 described later. It is desirable that the pressure roller is supported so that the rotation axis can move in the vertical direction, in order to effectively prevent the retort pouch from being opened due to the pressure of the pressure roller. In place of the pressure roller, means for pressing the retort pouch in a laid state by moving the flat plate up or down, or applying an outer peripheral portion of the retort pouch in a laid state by moving the concave pressing surface up and down. Pressurizing means may be employed, but the last means is most preferable in that the gas in the retort pouch is stably held at a predetermined position.
【００１２】上記第１コンベアー１０１の下流の終端部
には、含気密封包装体の良品を例えば殺菌工程等の次工
程に搬送するための第２コンベアー２０１と含気密封包
装体の不良品を搬送するための第３コンベアー３０１と
が連接されており、更に、該第１コンベアー１０１と第
２コンベアー２０１、第３コンベアー３０１との連接部
分の近傍には、所定の含気率を有しているか否かによっ
て含気密封包装体を選別するための揺動部材２が配設さ
れている。該揺動部材２を切り換えることにより、第１
コンベアー１０１を、第２コンベアー２０１又は第３コ
ンベアー３０１と択一的に連通させ、含気密封包装体が
所定の含気率を有しているか否かすなわち良品と不良品
とに選別する。At the downstream end of the first conveyor 101, a second conveyor 201 for transporting a good air-sealed package to a next process such as a sterilization step and a defective air-sealed package are provided. A third conveyor 301 for conveying is connected, and further, in the vicinity of a connection portion between the first conveyor 101 and the second conveyor 201, the third conveyor 301 has a predetermined air content. An oscillating member 2 for selecting an air-containing sealed package according to whether or not it is present is provided. By switching the swing member 2, the first
The conveyor 101 is selectively communicated with the second conveyor 201 or the third conveyor 301 to determine whether or not the air-tightly sealed package has a predetermined air content, that is, a good product and a defective product.
【００１３】上記コンベアー１０１の搬送路の途中に
は、含気密封包装体を冷却するための冷風供給装置１０
３が配設されている。これにより、含気密封包装体表面
の該含気密封包装体中の気体に接する部分（以下、含気
密封包装体表面の気体に接する部分という）と含気密封
包装体表面の該含気密封包装体中の内容物すなわち充填
物に接する部分（以下、含気密封包装体表面の充填物に
接する部分という）との熱容量の差を明瞭にすることが
できる。上記冷却手段の採用は、充填物が炊き上げ直後
のカレー、シチュー等の高温のものである場合に、特に
有効である。なお、冷却手段としては、冷風供給装置の
代わりに、冷水を含気密封包装体にシャワー状又はスプ
レー状に振り注ぐ冷水供給装置、或いは、含気密封包装
体を冷水に浸漬する冷水槽等を採用することもできる。On the way of the conveyor 101, a cool air supply device 10 for cooling the air-containing sealed package is provided.
3 are provided. Thus, the portion of the surface of the air-sealed package that comes into contact with the gas in the air-sealed package (hereinafter referred to as the portion that comes into contact with the gas on the surface of the air-sealed package) and the surface of the air-sealed package that are air-sealed The difference in heat capacity between the content in the package, that is, the portion in contact with the filling (hereinafter, referred to as the portion in contact with the filling on the surface of the air-tightly sealed package) can be clarified. The use of the cooling means is particularly effective when the filling is of a high temperature such as curry or stew immediately after cooking. In addition, as the cooling means, instead of the cold air supply device, a cold water supply device in which cold water is sprinkled in the form of a shower or a spray into an air-containing sealed package, or a cold water tank or the like in which the air-containing sealed package is immersed in cold water. Can also be adopted.
【００１４】また、冷却手段に代えて、加熱手段を採用
することもできる。加熱手段の採用は、充填物が低温の
ものである場合に、特に有効である。該加熱手段として
は、熱風を含気密封包装体に吹きつける熱風供給装置、
熱水を含気密封包装体にシャワー状又はスプレー状に振
り注ぐ熱水供給装置、或いは、含気密封包装体を熱水に
浸漬する熱水槽等がある。Further, a heating means may be employed instead of the cooling means. The use of a heating means is particularly effective when the filling is of a low temperature. As the heating means, a hot air supply device for blowing hot air onto the air-containing sealed package,
There is a hot water supply device in which hot water is sprinkled into the air-containing sealed package in a shower or spray form, or a hot water tank in which the air-containing sealed package is immersed in hot water.
【００１５】上記第１コンベアー１０１の搬送路途中の
冷風供給装置１０３の近傍には、上方に、第１コンベア
ー１０１上の含気密封包装体Ａから放射される赤外線に
より含気密封包装体Ａ表面の温度を検出する検出器２１
１が配置されている。該検出器２１１は、得られた温度
情報を熱像データに変換する回路２０、熱像データを記
憶する記憶部３０、上記熱像データを基に所定温度範囲
の部分の面積を検知する検知手段４０、検知手段４０に
より得られた面積が所定範囲にあるか否かを判定する判
定回路５０、判定回路５０により得られた判定結果に基
づいて上記選別手段（揺動部材２）を制御する制御部６
０に順次接続されている。In the vicinity of the cold air supply device 103 in the middle of the conveying path of the first conveyor 101, the surface of the air-sealed sealed package A is irradiated upward by infrared rays radiated from the air-sealed sealed package A on the first conveyor 101. Detector 21 for detecting the temperature of
1 is arranged. The detector 211 includes a circuit 20 that converts the obtained temperature information into thermal image data, a storage unit 30 that stores thermal image data, and a detecting unit that detects an area of a predetermined temperature range based on the thermal image data. 40, a judging circuit 50 for judging whether or not the area obtained by the detecting means 40 is within a predetermined range, and a control for controlling the selecting means (oscillating member 2) based on the judgment result obtained by the judging circuit 50. Part 6
0 are sequentially connected.
【００１６】検出器２１１は、含気密封包装体Ａの表面
全体について温度分布像を検出するものであってもよい
し、あるいは含気密封包装体Ａの表面の１点あるいは複
数の点の温度を検出するものであってもよい。次に、含
気密封包装体の不良品検出装置１の作用について説明す
る。上述した構成の含気密封包装体の不良品検出装置１
は、先ず、第１コンべアー１０１により含気密封包装体
Ａを連続的に搬送する。含気密封包装体Ａが冷風供給装
置１０３の位置までくると、含気密封包装体Ａが冷風供
給装置１０３により冷却処理される。これにより、図２
に示すように、含気密封包装体表面の気体ａに接する部
分Ｂと含気密封包装体表面の充填物ｂに接する部分Ｃと
の温度差を明瞭にすることができる。上記冷風の条件と
しては、−３０〜３０℃が例示できる。上記冷却処理と
同時に又は直後に、上記検出器２１１が第１コンベアー
１０１上の含気密封包装体Ａから放射される赤外線によ
り含気密封包装体Ａ表面の温度を検出する。得られた温
度情報は、熱像データに変換する回路２０により熱像デ
ータに変換され、記憶部３０に格納される。The detector 211 may detect a temperature distribution image over the entire surface of the air-sealed package A, or may detect the temperature at one or more points on the surface of the air-sealed package A. May be detected. Next, an operation of the defective product detection device 1 for the air-tightly sealed package will be described. Defective device 1 for air-tightly sealed package having the above configuration
First, the air-contained sealed package A is continuously conveyed by the first conveyor 101. When the air-containing sealed package A reaches the position of the cold air supply device 103, the air-containing sealed package A is cooled by the cold air supply device 103. As a result, FIG.
As shown in (1), the temperature difference between the portion B of the surface of the gas-sealed sealed package that contacts the gas a and the portion C of the surface of the gas-sealed sealed package that contacts the filler b can be clarified. Examples of the condition of the cold air include −30 to 30 ° C. Simultaneously with or immediately after the cooling process, the detector 211 detects the temperature of the surface of the air-tightly sealed package A by infrared rays emitted from the gas-tightly sealed package A on the first conveyor 101. The obtained temperature information is converted to thermal image data by the thermal image data conversion circuit 20 and stored in the storage unit 30.
【００１７】続いて、上記検知手段４０によって、上記
熱像データを基に、上記含気密封包装体表面の所定温度
範囲の部分すなわち含気密封包装体表面の気体に接する
部分Ｂの面積が検知される（尚、上記所定温度範囲は、
具体的には、例えば充填物の温度が７０℃の場合、３０
〜５０℃である）。次に、上記判定回路５０により、上
記面積が所定範囲にあるか否かの判定がなされる。Subsequently, based on the thermal image data, the detecting means 40 detects an area of a portion within a predetermined temperature range on the surface of the air-sealed package, that is, a portion B of the surface of the air-sealed package, which is in contact with gas. (Note that the predetermined temperature range is
Specifically, for example, when the temperature of the filler is 70 ° C., 30
５０50 ° C.). Next, the determination circuit 50 determines whether the area is within a predetermined range.
【００１８】含気密封包装体においては、含気密封包装
体表面の気体に接する部分の面積は、含気密封包装体中
の気体の体積すなわち含気率と相関関係にある。従っ
て、上記含気密封包装体表面の気体に接する部分の面積
が、所定範囲にあるか否かを判定することにより、含気
密封包装体中の気体の体積が適切な範囲にあるか否かを
簡単に判定することができる。尚、上記含気密封包装体
表面の気体に接する部分の面積と含気密封包装体中の気
体の体積とが具体的にどのような相関関係にあるかは、
予め含気密封包装体中の気体の体積のみを種々変化さ
せ、含気密封包装体表面の気体に接する部分の面積がど
のように変化するかを調べることにより、容易に知るこ
とができる。In the gas-tight sealed package, the area of the surface of the gas-sealed package that contacts the gas has a correlation with the volume of the gas in the gas-sealed package, that is, the gas content. Therefore, by determining whether the area of the portion of the surface of the gas-tight sealed package that contacts the gas is within a predetermined range, whether the volume of gas in the gas-tight sealed package is within an appropriate range is determined. Can be easily determined. In addition, what kind of correlation is specifically between the area of the portion of the surface of the gas-containing sealed package that comes into contact with the gas and the volume of the gas in the gas-containing sealed package,
It can be easily known by previously varying only the volume of the gas in the air-containing sealed package and examining how the area of the portion of the surface of the air-containing sealed package that contacts the gas changes.
【００１９】上記判定においては、該面積が所定範囲に
ある場合には、該含気密封包装体Ａは気体の含気率が所
定範囲にある良品であると判断され、一方、該面積が所
定範囲にない場合には、該含気密封包装体は含気率が多
すぎる又は少なくすぎる不良品であると判断される。上
記判定回路５０の判定結果を基に、上記制御部６０は、
検出器２１１によって含気密封包装体Ａの表面の温度が
検出されてから該含気密封包装体Ａが第１コンベアー１
０１の終端部に到達するまでの間に揺動部材２を制御す
る。揺動部材２は、制御信号に基づいて、第１コンベア
ー１０１を、第２コンベアー２０１又は第３コンベアー
３０１と択一的に連通させる。これにより、含気密封包
装体Ａの良品は第２コンベアー２０１に送られ、含気密
封包装体Ａの不良品は第３コンベアー３０１に送られ
る。In the above determination, when the area is within a predetermined range, the air-tightly sealed package A is determined to be a non-defective product having an air content of gas within a predetermined range. If it is not within the range, the air-tightly sealed package is judged to be a defective product having an air content that is too high or too low. Based on the determination result of the determination circuit 50, the control unit 60
After the temperature of the surface of the air-sealed package A is detected by the detector 211, the air-sealed package A is moved to the first conveyor 1.
The swinging member 2 is controlled before reaching the end of 01. The swinging member 2 selectively communicates the first conveyor 101 with the second conveyor 201 or the third conveyor 301 based on the control signal. As a result, a good product of the air-sealed package A is sent to the second conveyor 201, and a defective product of the air-sealed package A is sent to the third conveyor 301.
【００２０】本発明の他の実施例としては、検出器を冷
風供給装置より下流に配置してもよい。また、本発明の
他の実施例としては、検知手段により得られた面積が所
定範囲にあるか否かを判定する判定回路の代わりに、検
知手段で得られた面積から含気密封包装体中の気体の容
積を算出する算出回路及び算出回路により得られた含気
密封包装体中の気体の容積が所定範囲にあるか否かを判
定する判定回路を具備する。In another embodiment of the present invention, the detector may be located downstream of the cool air supply device. Further, as another embodiment of the present invention, instead of the determination circuit for determining whether or not the area obtained by the detection means is within a predetermined range, the area obtained by the detection means in the air-containing sealed package is used. And a determination circuit for determining whether or not the volume of gas in the gas-containing sealed package obtained by the calculation circuit is within a predetermined range.
【００２１】また、本発明の更に他の実施例としては、
含気密封包装体表面の気体に接する部分の面積を検知す
るために、含気密封包装体表面の所定温度範囲の部分の
面積を検知することに代えて、含気密封包装体表面の温
度差により上記部分の面積を検知するものがある。ま
た、本発明の更に他の実施例としては、含気密封包装体
表面の気体に接する部分の面積を検知するために、含気
密封包装体表面の温度を測定することに代えてＸ線によ
り上記部分の面積を検知するものがある。Further, as still another embodiment of the present invention,
In order to detect the area of the portion of the surface of the air-sealed sealed package that comes into contact with the gas, instead of detecting the area of the portion in the predetermined temperature range on the surface of the air-sealed sealed package, the temperature difference of the surface of the air-sealed sealed package is There is an apparatus that detects the area of the above-mentioned portion. Further, as still another embodiment of the present invention, in order to detect the area of a portion of the surface of the air-sealed sealed package in contact with gas, instead of measuring the temperature of the surface of the air-sealed sealed package, X-rays are used. There is one that detects the area of the above portion.
【００２２】本発明の更に他の実施例としては、充填物
と室温に大きな温度差がある場合、上述した冷却手段や
加熱手段を備えない。この場合においても、内容物の充
填後一定の時間が経過すれば、含気密封包装体表面の気
体に接する部分と内容物すなわち充填物に接する部分と
の温度差が現れ、検出器によって含気率の測定が可能に
なる。According to still another embodiment of the present invention, when there is a large temperature difference between the packing and the room temperature, the above-mentioned cooling means and heating means are not provided. In this case as well, after a certain period of time has elapsed after the filling of the contents, a temperature difference between the portion of the surface of the air-containing sealed package that comes into contact with the gas and the contents, that is, the portion that comes into contact with the filling, appears, and the detector detects the air content. The rate can be measured.
【００２３】なお、本発明における含気密封包装体は、
パウチだけのものに限定されるものではなく、例えば部
分的にカップ、トレー等とパウチの組み合わせの容器等
にも有効に使用できる。The air-tightly sealed package according to the present invention comprises:
The present invention is not limited to only the pouch, and can be effectively used, for example, partially for a cup, a tray, or a combination of a pouch and the like.
【００２４】[0024]
【発明の効果】本発明によれば、含気密封包装体の含気
率を非接触で迅速にかつ高精度に、特に産業上利用可能
なように連続的に測定することができる方法及び装置を
構成することができる。本発明はさらに、回転式レトル
ト殺菌処理を効率的に行うために含気密封包装体を含気
率によって選別する含気密封包装体の選別装置を構成す
ることができる。According to the present invention, there is provided a method and an apparatus which can measure the air content of a gas-tight sealed package quickly and accurately without contact, particularly continuously so that it can be used industrially. Can be configured. The present invention can further comprise a device for selecting a gas-tight sealed package according to a gas content in order to efficiently perform a rotary retort sterilization process.
【図１】本発明の実施例の含気密封包装体の測定装置の
構成説明図ある。FIG. 1 is a configuration explanatory view of a measuring device for an air-containing sealed package according to an embodiment of the present invention.
【図２】含気密封包装体の断面図ある。FIG. 2 is a cross-sectional view of an air-tightly sealed package.
Ａ 含気密封包装体 １ 含気密封包装体の不良品検出装置 ２ 揺動部材 ２０ 温度情報を熱像データに変換する回路 ３０ 熱像データを記憶する記憶部 ４０ 検知手段 ５０ 判定回路 ６０ 制御部 １０１ 第１コンベアー １０３ 冷風供給装置 ２０１ 第２コンベアー ２１１ 検出器 ３０１ 第３コンベアー Reference Signs List A air-sealed sealed package 1 defective air-sealed package detection device 2 swinging member 20 circuit for converting temperature information into thermal image data 30 storage unit for storing thermal image data 40 detecting means 50 determination circuit 60 control unit 101 First Conveyor 103 Cold Air Supply Device 201 Second Conveyor 211 Detector 301 Third Conveyor
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｇ０１Ｎ 25/72 Ｇ０１Ｎ 25/72 Ｋ (58)調査した分野(Int.Cl.6，ＤＢ名) B65B 57/00 - 57/20 G01F 22/00 G01N 25/00 G01N 25/72 A23L 3/00──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 identification symbol FI G01N 25/72 G01N 25/72 K (58) Field surveyed (Int.Cl. 6 , DB name) B65B 57/00-57 / 20 G01F 22/00 G01N 25/00 G01N 25/72 A23L 3/00
Claims (8)
装体であって、前記流動物を安定させる載置台に含気密
封柔軟包装体を載置した後、該含気密封柔軟包装体の表
面の温度分布を検出することによって含気率を演算する
ことを特徴とする含気密封柔軟包装体の含気率測定方
法。An air-sealed flexible package containing a fluid and a gas, wherein the air-sealed flexible package is placed on a mounting table for stabilizing the fluid, and then the air-sealed flexible package is placed. A method for calculating an air content by detecting a temperature distribution on the surface of the air-tight sealed flexible package.
周囲境界を温度差によって検出することを特徴とする請
求項１記載の含気密封柔軟包装体の含気率測定方法。2. The method for measuring an air content of an air-tightly sealed flexible package according to claim 1, wherein the boundary of the gas is detected on the surface of the air-tightly sealed package by a temperature difference.
体の見かけ上の面積を温度差によって検出することを特
徴とする請求項１記載の含気密封柔軟包装体の含気率測
定方法。3. The method according to claim 1, wherein an apparent area of the gas is detected on the surface of the air-tightly sealed flexible package by a temperature difference.
装体であって、前記流動物を安定させて含気密封柔軟包
装体を載置する載置台と、該載置台の近傍に配置され、
含気密封柔軟包装体の表面の温度分布を検出する検出部
とを備えたことを特徴とする含気密封柔軟包装体の含気
率測定装置。4. An air-containing hermetically sealed flexible package containing a fluid and a gas, wherein a mounting table for mounting the air-containing hermetically sealed flexible package while stabilizing the fluid is disposed, and disposed near the mounting table. And
A detector for detecting a temperature distribution on the surface of the air-tightly sealed flexible package;
で検出する構成であることを特徴とする請求項４記載の
含気密封柔軟包装体の含気率測定装置。5. The air content measuring device according to claim 4, wherein the detecting section detects a peripheral boundary of the gas based on a temperature difference.
装体であって、前記流動物を安定させて含気密封柔軟包
装体を載置する載置台と、該載置台の近傍に配置され、
含気密封柔軟包装体の表面の温度分布を検出する検出部
と、含気密封柔軟包装体を冷却するための冷却装置とを
包含することを特徴とする含気密封柔軟包装体の含気率
測定装置。6. A gas-containing hermetically sealed flexible package containing a fluid and a gas, wherein a mounting table for mounting the gas-containing hermetically sealed flexible package while stabilizing the fluid is disposed near the mounting table. And
An air content of the air-tightly sealed flexible package, comprising: a detecting unit for detecting a temperature distribution on the surface of the air-tightly sealed flexible package; and a cooling device for cooling the air-tightly sealed flexible package. measuring device.
装体であって、前記流動物を安定させて含気密封柔軟包
装体を載置する載置台と、該載置台の近傍に配置され、
含気密封柔軟包装体の表面の温度分布を検出する検出部
と、含気密封柔軟包装体を加熱するための加熱装置とを
包含することを特徴とする含気密封柔軟包装体の含気率
測定装置。7. A gas-containing hermetically sealed flexible package containing a fluid and a gas, wherein a mounting table for mounting the gas-containing hermetically sealed flexible package while stabilizing the fluid is disposed near the mounting table. And
An air content of the air-tightly sealed flexible package, comprising: a detection unit for detecting a temperature distribution on the surface of the air-tightly sealed flexible package; and a heating device for heating the air-tightly sealed flexible package. measuring device.
装体であって、前記流動物を安定させて含気密封柔軟包
装体を載置する載置台と、該載置台の近傍に配置され、
含気密封柔軟包装体の表面の温度分布を検出する検出部
と、さらに検出部の出力から含気密封柔軟包装体の選別
信号を演算して出力する演算部を有するとを特徴とする
含気密封柔軟包装体選別装置。8. A gas-containing hermetically sealed flexible package containing a fluid and a gas, wherein a mounting table for stabilizing the fluid and mounting the gas-containing hermetically sealed flexible package is provided, and is disposed near the mounting table. And
An air-impregnated air-tight package comprising: a detection unit for detecting a temperature distribution on the surface of the air-tightly sealed flexible package; and a calculation unit for calculating and outputting a selection signal of the air-containing sealed flexible package from the output of the detection unit. Sealed flexible package sorting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5147528A JP2847609B2 (en) | 1992-06-22 | 1993-06-18 | Method and apparatus for measuring air content of air-containing sealed flexible package |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4-188738 | 1992-06-22 | ||
| JP18873892 | 1992-06-22 | ||
| JP5147528A JP2847609B2 (en) | 1992-06-22 | 1993-06-18 | Method and apparatus for measuring air content of air-containing sealed flexible package |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0672419A JPH0672419A (en) | 1994-03-15 |
| JP2847609B2 true JP2847609B2 (en) | 1999-01-20 |
Family
ID=26478033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5147528A Expired - Fee Related JP2847609B2 (en) | 1992-06-22 | 1993-06-18 | Method and apparatus for measuring air content of air-containing sealed flexible package |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2847609B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6964305B2 (en) * | 2017-03-17 | 2021-11-10 | 池上通信機株式会社 | Package content inspection method and inspection equipment |
| JP7125273B2 (en) * | 2018-03-28 | 2022-08-24 | ハウス食品株式会社 | Pneumatic package inspection device and pneumatic package manufacturing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02138115U (en) * | 1989-04-20 | 1990-11-19 | ||
| JPH0420276A (en) * | 1990-05-11 | 1992-01-23 | Hisaka Works Ltd | Pressure control in heat-sterilizing of liquid treated material packed in air-containing vessel |
| JP2855366B2 (en) * | 1990-10-19 | 1999-02-10 | 住友ゴム工業株式会社 | Diagnosis method of peeling of wall etc. |
-
1993
- 1993-06-18 JP JP5147528A patent/JP2847609B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0672419A (en) | 1994-03-15 |
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