JPH07315356A - Container and its manufacture - Google Patents
Container and its manufactureInfo
- Publication number
- JPH07315356A JPH07315356A JP6106830A JP10683094A JPH07315356A JP H07315356 A JPH07315356 A JP H07315356A JP 6106830 A JP6106830 A JP 6106830A JP 10683094 A JP10683094 A JP 10683094A JP H07315356 A JPH07315356 A JP H07315356A
- Authority
- JP
- Japan
- Prior art keywords
- container
- packaging material
- sheet
- cardboard
- synthetic resin
- 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.)
- Granted
Links
Landscapes
- Containers Having Bodies Formed In One Piece (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、固形状ないし液状の
食品や、その他適宜の小物を入れるための容器とその製
造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container for containing solid or liquid food and other appropriate small articles and a method for producing the same.
【０００２】[0002]
【従来の技術】従来、ポリエチレンを、加熱及び加圧し
ながらボール紙に積層成形することにより、ポリエチレ
ンとボール紙が一体化した包装材を作製し、この包装材
を所定形状に打ち抜き、容器の角部となる部分に折り目
を付け、そしてつなぎ部を貼り合せることにより完成さ
れる容器が、例えば食品入れ、特に牛乳用パック等とし
て使用されていた。2. Description of the Related Art Conventionally, polyethylene is laminated on cardboard while heating and pressing to produce a packaging material in which polyethylene and cardboard are integrated, and the packaging material is punched into a predetermined shape to form a corner of a container. A container completed by making a crease in a part to be formed and pasting a connecting part together has been used, for example, as a food container, particularly as a milk pack.
【０００３】この従来の容器は、熱や衝撃を受けても割
れたりせず、通常の燃えるゴミと同様に廃棄することが
できる等、他の合成樹脂製、ガラス製、金属製等の容器
に比べ、取り扱いが便利であった。This conventional container does not break even when subjected to heat or shock and can be disposed of in the same manner as ordinary burning dust. For example, other conventional containers made of synthetic resin, glass, metal, etc. In comparison, it was convenient to handle.
【０００４】しかし、前記積層成形による方式では、ポ
リエチレンの層を厚くすることには限界がある。従っ
て、この従来の容器は、ポリエチレンの層が薄いため、
防水性、防湿性、ガスバリア性を十分に得ることができ
なかった。However, there is a limit to thickening the polyethylene layer in the above-mentioned method of laminating. Therefore, this conventional container has a thin polyethylene layer,
It was not possible to obtain sufficient waterproofness, moisture resistance and gas barrier properties.
【０００５】しかも、この従来の容器を完成させるため
には、つなぎ部の貼り合せ等の複雑な作業を必要とし、
工程数が多くなるため、製造コストが高くついていた。Moreover, in order to complete this conventional container, complicated work such as bonding of the connecting portion is required,
Since the number of steps is large, the manufacturing cost is high.
【０００６】[0006]
【発明が解決しようとする課題】そこで、この発明は、
熱や衝撃を受けても割れたりせず、通常の燃えるゴミと
同様に廃棄することができる等、取り扱いが便利な上
に、防水性、防湿性、ガスバリア性に優れ、しかも安価
に製造することのできる容器とその製造方法を提供する
ことを課題とする。Therefore, the present invention is
It does not break even when exposed to heat or shock, and can be disposed of just like ordinary burning dust, and it is easy to handle, has excellent waterproof, moisture-proof, gas barrier properties, and is inexpensive to manufacture. An object is to provide a container that can be manufactured and a manufacturing method thereof.
【０００７】[0007]
【課題を解決するための手段】前記課題を解決するた
め、この発明は次のような技術的手段を講じている。In order to solve the above-mentioned problems, the present invention takes the following technical means.
【０００８】この発明に係る容器は、包装材を成形して
成る容器であって、前記包装材を、熱可塑性合成樹脂の
シートをボール紙に被着したものとしている。The container according to the present invention is a container formed by molding a packaging material, wherein the packaging material is a sheet of thermoplastic synthetic resin adhered to a cardboard.
【０００９】また、この発明に係る容器の製造方法は、
熱可塑性合成樹脂のシートをボール紙に被着した包装材
を、前記シートを加熱すると共にボール紙を加湿するこ
とにより軟化させる軟化工程、前記軟化工程を経た包装
材を容器状に成形する成形工程、前記成形工程を経た包
装材を冷却する冷却工程、及び前記冷却工程を経た包装
材の適宜箇所を切断して前記包装材から容器を分離する
切断工程から成る。The method of manufacturing a container according to the present invention is
A softening step of softening a packaging material in which a sheet of thermoplastic synthetic resin is adhered to a cardboard by heating the sheet and humidifying the cardboard, and a molding step of molding the packaging material that has undergone the softening step into a container shape. A cooling step of cooling the packaging material that has undergone the molding step, and a cutting step that cuts an appropriate portion of the packaging material that has undergone the cooling step to separate the container from the packaging material.
【００１０】[0010]
【作用】上述の手段を採用した結果、この発明は次のよ
うな作用を有する。As a result of adopting the above means, the present invention has the following effects.
【００１１】この発明に係る容器は、熱可塑性合成樹脂
が、シートとして、比較的一様に厚みのある状態で被着
されており、水分や気体の透過が十分に遮断されるた
め、防水性、防湿性、ガスバリア性に優れている。しか
も、前記シートはボール紙に被着されているため、熱や
衝撃を受けても割れたりせず、また、通常の燃えるゴミ
と同様に容易に廃棄することができる。In the container according to the present invention, the thermoplastic synthetic resin is applied as a sheet in a relatively uniform and thick state, and the permeation of moisture and gas is sufficiently blocked, so that the container is waterproof. Excellent in moisture resistance and gas barrier property. Moreover, since the sheet is adhered to the cardboard, it does not break even when subjected to heat or shock, and can be easily discarded like ordinary burning dust.
【００１２】また、この発明に係る容器の製造方法は、
まず、熱可塑性合成樹脂のシートが熱により、ボール紙
が水分により、それぞれ柔らかくなる性質を利用して包
装材を軟化させて成形し易い状態にし、そしてこの包装
材を容器状に成形し、冷却により前記シートが硬化して
から、適宜箇所を切断して容器を分離することにより容
器を完成させるので、つなぎ部の貼り合せ等の複雑な作
業が不要で、比較的工程数が少なくて済む。The method of manufacturing a container according to the present invention is
First, the thermoplastic synthetic resin sheet is softened by heat and the cardboard is softened by moisture, so that the packaging material is softened into a state easy to mold, and then the packaging material is molded into a container and cooled. After the sheet is cured by the above, the container is completed by cutting the container at an appropriate position and separating the container, so that complicated work such as bonding of the joint portion is not required, and the number of steps is relatively small.
【００１３】[0013]
【実施例】以下、この発明の構成を実施例として示した
図面を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described below with reference to the accompanying drawings.
【００１４】図１は、この発明に係る容器１の製造に使
用される包装材２を示す図である。この包装材２は、厚
さ０．１〜０．２ｍｍ程度の熱可塑性合成樹脂のシート
2aを、接着剤による貼り付けや加熱溶着等の手段によ
り、厚さ１〜２ｍｍ程度のボール紙2bに被着したもので
ある。前記熱可塑性合成樹脂としては、例えば、ポリエ
ステル、ポリエチレン、ポリプロピレン、ナイロン等を
使用することができる。FIG. 1 is a view showing a packaging material 2 used for manufacturing the container 1 according to the present invention. The packaging material 2 is a sheet of thermoplastic synthetic resin having a thickness of about 0.1 to 0.2 mm.
2a is attached to a cardboard 2b having a thickness of about 1 to 2 mm by means such as sticking with an adhesive or heat welding. As the thermoplastic synthetic resin, for example, polyester, polyethylene, polypropylene, nylon or the like can be used.
【００１５】図２は、この包装材２を成形して完成させ
た容器１を示す図である。容器１の製造方法については
後述する。この容器１は、主にスーパーマーケットやコ
ンビニエンスストア等の店舗で販売される、惣菜やご
飯、にぎり飯、菓子等、各種の食品を入れるための容器
や弁当箱等として使用することができる。FIG. 2 is a view showing a container 1 completed by molding this packaging material 2. The method of manufacturing the container 1 will be described later. The container 1 can be used as a container or a lunch box for storing various foods such as prepared foods, rice, nigiri rice, and confectionery, which are mainly sold in stores such as supermarkets and convenience stores.
【００１６】この容器１では、内面が熱可塑性合成樹脂
のシート2a、外面がボール紙2bとなっており、側面３及
び底面４が形成され、側面３の上部周縁にはフランジ５
が形成されている。容器１の各側面３、底面４との間に
おいては、前記シート2aとボール紙2bはそれぞれ連続し
ており、つなぎ部は存在しない。In this container 1, a thermoplastic synthetic resin sheet 2a is formed on the inner surface and a cardboard 2b is formed on the outer surface. A side surface 3 and a bottom surface 4 are formed.
Are formed. Between the side surface 3 and the bottom surface 4 of the container 1, the sheet 2a and the cardboard 2b are continuous with each other, and there is no connecting portion.
【００１７】この容器１においては、前記熱可塑性合成
樹脂が、シート2aとして、一様の厚みを有して側面３及
び底面４を覆っている。従ってこのシート2aが水分や気
体の透過を十分に遮断するため、防水性、防湿性、ガス
バリア性が極めて優れている。よって、食品の液状成分
が容器１の外にしみ出したりせず、また、開口面をラッ
ピング等により十分に密封すれば、容器１内の食品が湿
ったり、乾燥したり、あるいは酸化したりして品質が劣
化したり、食品の匂いが外にもれたりといった弊害を防
止することができる。In this container 1, the thermoplastic synthetic resin as the sheet 2a has a uniform thickness and covers the side surface 3 and the bottom surface 4. Therefore, since the sheet 2a sufficiently blocks the permeation of moisture and gas, it is extremely excellent in waterproofness, moisture resistance and gas barrier property. Therefore, the liquid component of the food does not exude to the outside of the container 1, and if the opening surface is sufficiently sealed by lapping or the like, the food in the container 1 may get wet, dry, or oxidize. It is possible to prevent adverse effects such as deterioration of quality and leakage of food odor.
【００１８】ボール紙は印刷適性に優れているため、容
器１のボール紙2bには精彩な印刷を施すことが可能であ
る。しかも、熱や衝撃を受けても割れたりしない。さら
に、前記ボール紙2bは厚みがあるので、容器１は、比較
的高い硬度を有しており丈夫である。Since cardboard is excellent in printability, it is possible to perform fine printing on the cardboard 2b of the container 1. Moreover, it does not break even when subjected to heat or shock. Furthermore, since the cardboard 2b is thick, the container 1 has a relatively high hardness and is strong.
【００１９】また、この容器１は、使用後、極めて容易
に廃棄することが可能である。即ち、この容器１の大部
分は紙であるので、通常の燃えるゴミと同様に焼却処理
することができる。Further, the container 1 can be disposed of very easily after use. That is, since most of the container 1 is paper, it can be incinerated in the same manner as ordinary burning dust.
【００２０】なお、この発明に係る容器１は、従来の牛
乳用パックの様な形状に成形して牛乳、ジュース等の液
体用容器として使用したり、食品入れ以外にも、例えば
文具等の小物入れとして使用することも可能である。The container 1 according to the present invention can be used as a container for liquids such as milk and juice by molding it into a shape like a conventional milk pack, and in addition to a food container, for example, small articles such as stationery. It is also possible to use it as a container.
【００２１】次に、この容器１の製造方法について説明
する。図３は、この容器１を製造するための装置６の概
略を示す図である。この装置６では、図中の左から右の
方へ、長尺に作製された包装材２を送り出しながら、こ
の包装材２が以下の様な工程を順次経るようにされてい
る。Next, a method for manufacturing the container 1 will be described. FIG. 3 is a schematic view of an apparatus 6 for manufacturing the container 1. In this device 6, while the packaging material 2 made in a long size is sent out from the left to the right in the figure, the packaging material 2 is sequentially subjected to the following steps.
【００２２】最初、包装材２は、ロール状に巻かれてセ
ットされている。なお、包装材２の表面に印刷等を施す
場合には、ロール状にする前に済ませておくことが望ま
しい。この装置６は、セットされたロール状の包装材２
を回転させながら、適宜の速度で包装材２を送り出して
いく。この実施例では、包装材２は、上側が熱可塑性合
成樹脂のシート2a、下側がボール紙2bとなるようにされ
ている。First, the packaging material 2 is wound and set in a roll shape. In addition, when printing or the like is performed on the surface of the packaging material 2, it is desirable to finish it before forming the roll shape. This device 6 has a roll-shaped packaging material 2 that has been set.
While rotating, the packaging material 2 is sent out at an appropriate speed. In this embodiment, the packaging material 2 has a thermoplastic synthetic resin sheet 2a on the upper side and a cardboard 2b on the lower side.
【００２３】まず、包装材２は、軟化工程を経る。この
軟化工程は、熱可塑性合成樹脂のシート2aの側である包
装材２の上方に設けられたヒーター部７と、ボール紙2b
の側である包装材２の下方に設けられた加湿部８により
行なわれる。熱可塑性合成樹脂のシート2aは、ヒーター
部７で加熱される。加熱温度は、１８０〜２５０℃程度
が適当である。一方、ボール紙2bは、加湿部８で加湿さ
れる。熱可塑性合成樹脂は熱により、紙は水分によりそ
れぞれ軟化する性質を有するため、熱可塑性合成樹脂の
シート2aとボール紙2bは共に軟化し、その結果、包装材
２は、極めて成形しやすい状態となる。First, the packaging material 2 undergoes a softening process. This softening process includes the heater section 7 provided above the packaging material 2, which is the side of the thermoplastic synthetic resin sheet 2a, and the cardboard 2b.
This is performed by the humidifying section 8 provided below the packaging material 2 on the side of. The sheet 2 a of thermoplastic synthetic resin is heated by the heater unit 7. A heating temperature of about 180 to 250 ° C is suitable. On the other hand, the cardboard 2b is humidified by the humidifying section 8. Since the thermoplastic synthetic resin has the property of being softened by heat and the paper being softened by moisture respectively, both the thermoplastic synthetic resin sheet 2a and the cardboard 2b are softened, and as a result, the packaging material 2 is in an extremely easy-to-form state. Become.
【００２４】軟化工程は、上記の方法以外に、包装材２
を熱湯に浸すことによって行うことも可能である。In addition to the above method, the softening step is performed by the packaging material 2
It is also possible to do so by immersing it in boiling water.
【００２５】次に包装材２は、成形部９における成形工
程を経る。この成形工程は、プレス成型装置により行な
われる。軟化した包装材２は、この成型装置の金型によ
り容器状に成形され、容器１の側面３及び底面４となる
部分が形成される。なお、プレス成型以外にも、真空成
型や圧空成型により成形してもよい。成形装置の作動中
は、包装材２の送り出しを停止させることが望ましい。Next, the packaging material 2 undergoes a molding process in the molding section 9. This molding process is performed by a press molding device. The softened packaging material 2 is molded into a container shape by the mold of this molding apparatus, and the side surface 3 and the bottom surface 4 of the container 1 are formed. In addition to the press molding, vacuum molding or pressure molding may be used. It is desirable to stop the delivery of the packaging material 2 during the operation of the molding apparatus.
【００２６】成形工程を経た包装材２は、冷却部10に送
られ、この冷却部10での冷却工程により、前の工程で加
えられた熱で軟化している熱可塑性合成樹脂が冷却さ
れ、硬化する。この冷却工程での冷却は、冷気を送り込
むことにより行うことができるが、単に常温で冷めるの
を待つこととしてもよい。The packaging material 2 that has undergone the molding step is sent to the cooling section 10, and the cooling step in the cooling section 10 cools the thermoplastic synthetic resin softened by the heat applied in the previous step, Harden. The cooling in this cooling step can be performed by sending in cold air, but it may be simply waiting for cooling at room temperature.
【００２７】そして、次の切断部11における切断工程に
より、冷却工程を経た包装材２から次々に個々の容器１
が分離される。この切断工程では、自動パンチャーが使
用されており、順次送り込まれる包装材２の、容器１を
構成する必要部分と容器１を構成しない不必要部分の境
目を切断し、容器１が次々に完成されベルトコンベア12
で搬送されていくようになっている。Then, by the cutting process in the next cutting section 11, the individual packaging containers 1 are successively processed from the packaging material 2 which has undergone the cooling process.
Are separated. In this cutting step, an automatic puncher is used, and the boundary between the necessary portion that constitutes the container 1 and the unnecessary portion that does not constitute the container 1 of the packaging material 2 that is sequentially fed is cut, and the container 1 is completed one after another. Belt conveyor 12
It is being transported in.
【００２８】なお、包装材２に不必要部分を作らないよ
うにすれば、包装材２の前後の容器となる部分の境目を
切断するだけで、容器１を迅速に次々と完成させること
ができる。If the packaging material 2 is formed so as not to have unnecessary parts, the containers 1 can be completed rapidly one after another only by cutting the boundaries between the portions of the packaging material 2 which are to be the containers before and after. .
【００２９】[0029]
【発明の効果】この発明に係る容器は、上述のような構
成を有するため、防水性、防湿性、ガスバリア性に優れ
ており、容器内の物の液状成分が外にしみ出したり、容
器内の物が湿ったり、乾燥したり、あるいは酸化したり
して品質が劣化したり、匂いがもれたり等しにくい。し
かも、熱や衝撃を受けても割れたりせず、また、通常の
燃えるゴミと同様に容易に廃棄することができる等、取
り扱いが便利である。Since the container according to the present invention has the above-mentioned structure, it is excellent in waterproofness, moisture resistance and gas barrier property, and the liquid component of the substance in the container exudes to the outside, It is difficult for the product to deteriorate in quality due to dampness, dryness, or oxidization, and the odor from leaking. Moreover, it is convenient to handle because it does not break even when subjected to heat or shock, and can be easily discarded like ordinary burning dust.
【００３０】また、この発明に係る容器の製造方法は、
つなぎ部の貼り合せ等の複雑な作業が不要なため、比較
的工程数が少なくて済み、安価に容器を製造することが
可能である。The method of manufacturing a container according to the present invention is
Since a complicated work such as bonding the connecting portion is not necessary, the number of steps is relatively small and the container can be manufactured at low cost.
【図１】 この発明の実施例の容器の製造に使用する包
装材の斜視図。FIG. 1 is a perspective view of a packaging material used for manufacturing a container according to an embodiment of the present invention.
【図２】 この発明の実施例の容器の斜視図。FIG. 2 is a perspective view of the container according to the embodiment of the present invention.
【図３】 前記容器を製造するための装置の正面図。FIG. 3 is a front view of an apparatus for manufacturing the container.
１ 容器 ２ 包装材 2a 熱可塑性合成樹脂のシート 2b ボール紙 1 Container 2 Packaging material 2a Sheet of thermoplastic synthetic resin 2b Cardboard
フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ６５Ｄ 1/28 85/50 Ａ Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display area B65D 1/28 85/50 A
Claims (2)
記包装材が、熱可塑性合成樹脂のシートをボール紙に被
着したものであることを特徴とする容器。1. A container formed by molding a packaging material, wherein the packaging material is a cardboard coated with a sheet of thermoplastic synthetic resin.
被着した包装材を、前記シートを加熱すると共にボール
紙を加湿することにより軟化させる軟化工程、前記軟化
工程を経た包装材を容器状に成形する成形工程、前記成
形工程を経た包装材を冷却する冷却工程、及び前記冷却
工程を経た包装材の適宜箇所を切断して前記包装材から
容器を分離する切断工程から成ることを特徴とする容器
の製造方法。2. A softening step of softening a packaging material in which a sheet of thermoplastic synthetic resin is adhered to a cardboard by heating the sheet and humidifying the cardboard, and a packaging material which has undergone the softening step in a container shape. A molding step of molding into, a cooling step of cooling the packaging material that has undergone the molding step, and a cutting step of cutting an appropriate portion of the packaging material that has undergone the cooling step to separate the container from the packaging material. Method for manufacturing a container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06106830A JP3082015B2 (en) | 1994-05-20 | 1994-05-20 | Container manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06106830A JP3082015B2 (en) | 1994-05-20 | 1994-05-20 | Container manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07315356A true JPH07315356A (en) | 1995-12-05 |
| JP3082015B2 JP3082015B2 (en) | 2000-08-28 |
Family
ID=14443675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06106830A Expired - Lifetime JP3082015B2 (en) | 1994-05-20 | 1994-05-20 | Container manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3082015B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000289731A (en) * | 1999-04-05 | 2000-10-17 | Dainippon Printing Co Ltd | Laminate, and press molded paper container |
| EP1048746A1 (en) * | 1999-04-28 | 2000-11-02 | Alusuisse Technology & Management AG | Method and apparatus for making packages |
| JP2002178420A (en) * | 2000-12-13 | 2002-06-26 | Sadami Ito | Container with flute made of paper and its manufacturing method |
| JP2002192630A (en) * | 2000-12-25 | 2002-07-10 | Sadami Ito | Pleated container made of paper and method for manufacturing the same |
| JP2009142995A (en) * | 2007-12-11 | 2009-07-02 | Morinaga & Co Ltd | Tray molding/supplying method and tray molding/supplying apparatus |
| WO2018074259A1 (en) * | 2016-10-17 | 2018-04-26 | 株式会社菊水製作所 | Method and device for producing cup |
| JP2021176296A (en) * | 2020-04-30 | 2021-11-11 | 海商株式会社 | Packaged seafood product and method for producing the same |
| JP2022065142A (en) * | 2017-06-09 | 2022-04-26 | 東洋アルミエコープロダクツ株式会社 | Production device of paper container, production method of paper container, and paper container |
-
1994
- 1994-05-20 JP JP06106830A patent/JP3082015B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000289731A (en) * | 1999-04-05 | 2000-10-17 | Dainippon Printing Co Ltd | Laminate, and press molded paper container |
| EP1048746A1 (en) * | 1999-04-28 | 2000-11-02 | Alusuisse Technology & Management AG | Method and apparatus for making packages |
| JP2002178420A (en) * | 2000-12-13 | 2002-06-26 | Sadami Ito | Container with flute made of paper and its manufacturing method |
| JP2002192630A (en) * | 2000-12-25 | 2002-07-10 | Sadami Ito | Pleated container made of paper and method for manufacturing the same |
| JP2009142995A (en) * | 2007-12-11 | 2009-07-02 | Morinaga & Co Ltd | Tray molding/supplying method and tray molding/supplying apparatus |
| WO2018074259A1 (en) * | 2016-10-17 | 2018-04-26 | 株式会社菊水製作所 | Method and device for producing cup |
| JP2022065142A (en) * | 2017-06-09 | 2022-04-26 | 東洋アルミエコープロダクツ株式会社 | Production device of paper container, production method of paper container, and paper container |
| JP2021176296A (en) * | 2020-04-30 | 2021-11-11 | 海商株式会社 | Packaged seafood product and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3082015B2 (en) | 2000-08-28 |
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