WO2015041323A1 - Paper container - Google Patents

Paper container Download PDF

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Publication number
WO2015041323A1
WO2015041323A1 PCT/JP2014/074856 JP2014074856W WO2015041323A1 WO 2015041323 A1 WO2015041323 A1 WO 2015041323A1 JP 2014074856 W JP2014074856 W JP 2014074856W WO 2015041323 A1 WO2015041323 A1 WO 2015041323A1
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Prior art keywords
spout
opening
flange
paper
paper container
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PCT/JP2014/074856
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French (fr)
Japanese (ja)
Inventor
尚 大宮
恵治 矢野
愛美 新井
Original Assignee
テトラ ラバル ホールディングス アンド ファイナンス エス エイ
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Publication of WO2015041323A1 publication Critical patent/WO2015041323A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container

Definitions

  • the present invention relates to a paper container having a spout, and relates to a paper container that can easily separate a spout from a used paper container.
  • a paper container 1 as shown in FIG. 4 for milk, fruit juice, vegetable juice, soy milk, wine, sake, shochu, mineral water, soup and other beverages is, for example, a fibrous substrate (for example, paper) /
  • a web-like packaging material with a crease line attached to a plastic laminate is formed into a tube shape by a longitudinal line seal in the longitudinal direction, and the liquid food is filled into the tube-shaped packaging material, and the tube-like packaging material Is transversely sealed in the transverse direction and formed into a pillow-shaped package (primary shape container).
  • a pillow-shaped package is cut into one container at a horizontal seal portion, and in the final molding process, fins and flaps are folded into mountain or valley folds along the crease line, and the brick shape shown in FIG.
  • the container 1 is formed.
  • the paper container example 1 includes a screw cap 6 and a spout opening device 2 at the top of the container as shown in FIG.
  • a spout of a spout and a screw cap 6 screwed with the spout are formed on the opening 3 on which the sealing film 4 is stretched (for example, Patent Documents). 1).
  • the container After drinking liquid food filled in a paper container with a cap and spout, the container is recycled. At the time of recycling, it is separated into cap and spout plastic and paper containers.
  • the plastic part of the spout is firmly bonded to the paper container from the viewpoint of sealing, and there is a disadvantage that it cannot be easily separated, and the sharp plastic part for opening may cause unintended movement during separation. It is an object of the present invention to provide a paper container that can be separated and separated easily and in a controlled flow during recycling in which the plastic part of the cap and spout is separated from the paper container.
  • the present invention is a paper container comprising an opening device having a cap and a spout at the top of the container, wherein the paper container is made of a laminated packaging material of a paper base material and an outermost layer and an innermost layer of a thermoplastic material, and the opening device is It consists of a spout on the opening where the sealing film is stretched, a flange on the outer peripheral surface of the opening, and a cap, laminated on the outer peripheral surface of the opening, joined to the bottom surface of the flange, and from the outer edge of the flange
  • a notch is formed in the container top on the outer edge side of the flange from the outermost thermoplastic layer to the middle of the paper substrate.
  • the opening device includes a spout, a flange, a cap, and a rotary blade housed in the spout.
  • the paper container according to the present invention includes an opening device having a cap and a spout at the top of the container. At the top of the container, the opening device forms a spout, the spout functions as a spout, the cap covers the spout, hygienically protects the spout and allows resealing after opening.
  • the paper container according to the present invention comprises a laminated packaging material comprising a paper base material and an outermost layer and an innermost layer of a thermoplastic material. Both thermoplastic layers protect the paper layer of the substrate from water and moisture, and the paper substrate imparts mechanical strength to the container and occupies most of the thickness of the vessel wall. Since the thick paper substrate is fibrous, it can be easily peeled off in layers.
  • the opening device comprises a spout on the opening where the sealing film is stretched, a flange on the outer peripheral surface of the opening, and a cap.
  • the sealing film is broken and an opening is formed in the opening, which serves as a spout.
  • the flange is integrally disposed on the base of the spout, and is joined to the outer peripheral surface of the opening to be fixed to the container.
  • the cap covers the spout and hygienically protects the spout and allows resealing after opening.
  • the paper container according to the present invention includes a separation film that is laminated on the outer peripheral surface of the opening, joined to the bottom surface of the flange, and includes an easy-gripping portion that extends from the outer edge of the flange.
  • the separation film is laminated between the outer peripheral surface of the opening and the bottom surface of the flange.
  • the easy-gripping portion of the separation film is a portion extended from the outer edge of the flange.
  • the separation film easy-to-grip portion according to the present invention has the above-described configuration.
  • the separation film and the laminated packaging material for the paper container In particular, the strongest stress is generated between the outermost layer, the weak outermost layer is broken by the stress, and the paper base material layer to be fused with the outermost layer is also broken. Since the thick paper base is fibrous, it can be easily peeled off in layers, and the paper base can be peeled off along the outer peripheral edge of the opening, and the spout and flange can be peeled off. it can.
  • a notch is formed in the container top on the outer edge side of the flange from the outermost thermoplastic layer to the middle of the paper substrate.
  • the opening device includes a spout, a flange, a cap, and a rotary blade housed in the spout.
  • the rotary blade is housed in the spout, and the sealing film in the opening can be easily cut, and even if there is a sharp plastic part for opening and a rotary blade, separation and separation are performed in a more controlled state Can do.
  • an opening device including a spout, a flange, a cap, and a rotary blade housed in the spout is assembled (a), (b), and joined to the container (c ), (D) are partial external views showing how they are opened (e), resealed (f), separated and separated (g), (h) during use. It is a fragmentary sectional view which shows a mode that it separates and separates in the paper container by the Example of this invention. In the paper container by the Example of this invention, it is a fragmentary top view which shows the mode of an opening apparatus. It is an external view of the paper container which can be used by this invention.
  • the paper container 1 by this Example is provided with the opening apparatus 2 which has the cap 6 and the spout 7 in the container top part, as illustrated in FIG.4 (B).
  • An opening device 2 forms a spout in the opening 3 at the top of the container 1.
  • the spout 7 functions as a spout, and the cap 6 covers the spout 7 to protect the spout 7 hygienically and reseal it after opening.
  • the paper container 1 is composed of a laminated packaging material 8 of a paper base material 9 and an outermost layer and an innermost layer of a thermoplastic material. Both thermoplastic layers protect the paper layer of the substrate from water and moisture, and the paper substrate imparts mechanical strength to the container and occupies most of the thickness of the vessel wall. Since the thick paper base is fibrous, it is easily peeled off into the layer 13 as shown in FIG.
  • the opening device 2 includes a spout 7 on the opening 3 on which the sealing film 4 is stretched, and a flange 10 on the outer peripheral surface of the opening 3. And a cap 6.
  • the spout 7 is opened, as shown in FIGS. 1 (e) to 1 (f), the sealing film 4 is broken and an opening is formed in the opening 3, thereby serving as a spout.
  • the flange is integrally disposed at the base of the spout 7 and is joined to the outer peripheral surface of the opening to be fixed to the container.
  • the opening device 2 includes a spout 7, a flange 10, a cap 6, and a rotary blade 11 housed in the spout.
  • the rotary blade 11 is housed in a spout during assembly.
  • the cap 6 is rotated downward by the upward rotation of the cap 6, and the sealing film 4 in the opening 3 is simply cut.
  • the paper container 1 As shown in FIGS. 2 and 3, the paper container 1 according to this embodiment is laminated on the outer peripheral surface of the opening 3, joined to the bottom surface of the flange 10, and extended from the outer edge of the flange 10.
  • a separation film 12 is provided.
  • the separation film 12 is laminated between the outer peripheral surface of the opening 3 and the bottom surface of the flange 10.
  • the easy gripping portion 12 a of the separation film 12 is a portion extended from the outer edge of the flange 10.
  • the separation film easy-to-grip portion 12 a pulls up the easy-to-grip portion 12 a of the separation film 12 when separating the opening device 2 from the paper container 1.
  • a stress is generated between the laminated packaging material 8 of the paper container, the weak layer is broken by the stress, and the paper base material layer 9 to be fused with it is also broken.
  • the paper substrate is peeled off in layers along the lower peripheral outer surface 13 of the opening.
  • the spout 7 and the flange 10 are peeled off.
  • a cut 14 is formed from the outermost thermoplastic layer to the middle of the paper substrate 8 at the top of the container on the outer edge side of the flange 10.
  • the present invention is not limited to the embodiments, and various modifications can be made based on the gist of the present invention, and they are not excluded from the scope of the present invention.
  • This invention can be applied to the manufacture of liquid food packaging.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cartons (AREA)

Abstract

　Provided is a paper container with which separation and sorting can be carried out easily and in a controlled sequence during recycling in which plastic parts, i.e. a cap and spout, are separated from a paper container.　This paper container (1) is provided with an opening device, wherein the opening device (2) comprises a spout (7) upon an opening over which a sealing film has been stretched, a flange (10) upon the external surface of the rim of the opening, and a cap (6). When separating the opening device from the paper container, a paper base under the external surface of the rim of the opening is torn off by pulling up the tab of a separation film, and the spout and flange are torn away.

Description

紙容器Paper container
　本発明は、スパウトを持つ紙容器に関し、使用済み紙容器から容易にスパウトを分離することができる紙容器に関する。 The present invention relates to a paper container having a spout, and relates to a paper container that can easily separate a spout from a used paper container.
　柔軟性に富んだ紙包装材料は多年にわたって液体食品を包装するために用いられてきた。牛乳、果汁ジュース、野菜ジュース、豆乳、ワイン、清酒、焼酎、ミネラルウォーター、スープ及びその他飲料のための図４に示すような紙容器１は、例えば、繊維質基材（例えば、紙など）／プラスチック積層体に折目線が付けられたウェブ状包装材料を、その長手方向の縦線シールによりチューブ状に成形し、チューブ状に成形された包装材料内に液体食品を充填し、チューブ状包装材料を横断方向に横線シールし、枕状の包装体（一次形状容器）に成形する。枕状の包装体を横シール部分で容器１個分ごとに切断し、最終成形工程で、折目線に沿って山折り若しくは谷折に、フィン及びフラップを折畳んで、図４に示すレンガ状の容器１が成形される。 ¡Flexible paper packaging materials have been used for many years to package liquid foods. A paper container 1 as shown in FIG. 4 for milk, fruit juice, vegetable juice, soy milk, wine, sake, shochu, mineral water, soup and other beverages is, for example, a fibrous substrate (for example, paper) / A web-like packaging material with a crease line attached to a plastic laminate is formed into a tube shape by a longitudinal line seal in the longitudinal direction, and the liquid food is filled into the tube-shaped packaging material, and the tube-like packaging material Is transversely sealed in the transverse direction and formed into a pillow-shaped package (primary shape container). A pillow-shaped package is cut into one container at a horizontal seal portion, and in the final molding process, fins and flaps are folded into mountain or valley folds along the crease line, and the brick shape shown in FIG. The container 1 is formed.
　紙容器例１は、容器頂部に、図４（Ｂ）に示すように、スクリューキャップ６及びスパウト付き開封装置２を備える。この開封装置例では、図４（Ａ）に示すように、封止フィルム４が張られた開口部３上に、注ぎ口のスパウトとそれと螺合するスクリューキャップ６とからなる（例えば、特許文献１参照）。 The paper container example 1 includes a screw cap 6 and a spout opening device 2 at the top of the container as shown in FIG. In this example of the opening device, as shown in FIG. 4 (A), a spout of a spout and a screw cap 6 screwed with the spout are formed on the opening 3 on which the sealing film 4 is stretched (for example, Patent Documents). 1).
特開２００３ー０２６２１９号公報Japanese Patent Laid-Open No. 2003-026219
　キャップ及びスパウトを持つ紙容器に充填された液体食品を飲用した後、容器はリサイクルされる。リサイクルに際して、キャップ及びスパウトのプラスチックと紙容器とに分別される。スパウトのプラスチック部分は、シールの観点から紙容器とに強固に接着され、容易に分離できない不都合があり、また、開封用の尖ったプラスチック部分などが意図しない動きを分離に際してする恐れがある。本発明の目的は、キャップ及びスパウトのプラスチック部分が紙容器から分別されるリサイクルに際して、容易にかつ制御された流れで分離分別できる紙容器を提供することである。 After drinking liquid food filled in a paper container with a cap and spout, the container is recycled. At the time of recycling, it is separated into cap and spout plastic and paper containers. The plastic part of the spout is firmly bonded to the paper container from the viewpoint of sealing, and there is a disadvantage that it cannot be easily separated, and the sharp plastic part for opening may cause unintended movement during separation. It is an object of the present invention to provide a paper container that can be separated and separated easily and in a controlled flow during recycling in which the plastic part of the cap and spout is separated from the paper container.
　この発明は、容器頂部にキャップ及びスパウトを有する開封装置を備える紙容器であって、紙容器が紙基材と熱可塑性材料の最外層及び最内層との積層包装材料からなり、開封装置が、封止フィルムが張られた開口部上のスパウトと、開口部の周縁外面上のフランジと、キャップとからなり、開口部の周縁外面上に積層され、フランジの底面と接合され、フランジの外縁より延長した把持容易部を備える分離用フィルムを備え、開封装置を紙容器から分離するに際して、分離用フィルムの把持容易部を引き上げることにより、開口部の周縁外面下の紙基材を剥ぎ取りながら、スパウトとフランジとを引き剥がすことを特徴とする。 The present invention is a paper container comprising an opening device having a cap and a spout at the top of the container, wherein the paper container is made of a laminated packaging material of a paper base material and an outermost layer and an innermost layer of a thermoplastic material, and the opening device is It consists of a spout on the opening where the sealing film is stretched, a flange on the outer peripheral surface of the opening, and a cap, laminated on the outer peripheral surface of the opening, joined to the bottom surface of the flange, and from the outer edge of the flange When separating the unsealing device from the paper container with a separating film having an extended easy gripping part, by pulling up the easy gripping part of the separating film, while peeling off the paper substrate under the outer peripheral surface of the opening, The spout and the flange are peeled off.
　この発明の好ましい態様において、フランジの外縁側の容器頂部に、熱可塑性最外層から紙基材の途中まで切込みが形成されている。 In a preferred embodiment of the present invention, a notch is formed in the container top on the outer edge side of the flange from the outermost thermoplastic layer to the middle of the paper substrate.
　この発明の好ましい態様において、開封装置が、スパウトと、フランジと、キャップと、スパウト内に収納される回転刃とを備える。 In a preferred aspect of the present invention, the opening device includes a spout, a flange, a cap, and a rotary blade housed in the spout.
　上記構成の本発明によれば、以下の作用機能を発揮し、有利な効果が得られる。この発明による紙容器は、容器頂部にキャップ及びスパウトを有する開封装置を備える。容器頂部に、開封装置が注ぎ口を形成し、スパウトが注ぎ口の機能を担い、キャップがスパウトを覆い、衛生的にスパウトを保護すると共に、開封後は再封止を可能にする。 According to the present invention having the above configuration, the following functions are exhibited and advantageous effects can be obtained. The paper container according to the present invention includes an opening device having a cap and a spout at the top of the container. At the top of the container, the opening device forms a spout, the spout functions as a spout, the cap covers the spout, hygienically protects the spout and allows resealing after opening.
　この発明による紙容器は、紙基材と熱可塑性材料の最外層及び最内層との積層包装材料からなる。両熱可塑性層は、基材の紙層を水、湿気から保護し、紙基材は機械的強度を容器に付与し、器壁の厚みの大部分を占める。厚みのある紙基材は繊維質であるので、容易に層状に剥がれることができる。 The paper container according to the present invention comprises a laminated packaging material comprising a paper base material and an outermost layer and an innermost layer of a thermoplastic material. Both thermoplastic layers protect the paper layer of the substrate from water and moisture, and the paper substrate imparts mechanical strength to the container and occupies most of the thickness of the vessel wall. Since the thick paper substrate is fibrous, it can be easily peeled off in layers.
　この発明による開封装置は、封止フィルムが張られた開口部上のスパウトと、開口部の周縁外面上のフランジと、キャップとからなる。スパウトは、開封時に、封止フィルムが破られ開口部に開口が形成され、注ぎ口の役割を果たす。フランジは、スパウトの基部に一体的に配設され、開口部の周縁外面上に接合されて容器に固定される。キャップは、上述のように、スパウトを覆い、衛生的にスパウトを保護すると共に、開封後は再封止を可能にする。 The opening device according to the present invention comprises a spout on the opening where the sealing film is stretched, a flange on the outer peripheral surface of the opening, and a cap. When the spout is opened, the sealing film is broken and an opening is formed in the opening, which serves as a spout. The flange is integrally disposed on the base of the spout, and is joined to the outer peripheral surface of the opening to be fixed to the container. As mentioned above, the cap covers the spout and hygienically protects the spout and allows resealing after opening.
　この発明による紙容器は、開口部の周縁外面上に積層され、フランジの底面と接合され、フランジの外縁より延長した把持容易部を備える分離用フィルムを備える。分離用フィルムは、開口部の周縁外面とフランジ底面との間に積層される。分離用フィルムの把持容易部は、フランジの外縁より延長した部分となる。この発明による分離用フィルムの把持容易部は、上記構成を有するので、開封装置を紙容器から分離するに際して、分離用フィルムの把持容易部を引き上げると、分離用フィルムと紙容器の積層包装材料と、特に、最外層との間に最も強いストレスが発生し、ストレスによって弱い最外層が破断し、それと融着する紙基材層も破断が生じる。厚みのある紙基材は繊維質であるので、容易に層状に剥がれ、開口部の周縁外面下に沿って、紙基材を層状に剥ぎ取ることができ、スパウトとフランジとを引き剥がすことができる。 The paper container according to the present invention includes a separation film that is laminated on the outer peripheral surface of the opening, joined to the bottom surface of the flange, and includes an easy-gripping portion that extends from the outer edge of the flange. The separation film is laminated between the outer peripheral surface of the opening and the bottom surface of the flange. The easy-gripping portion of the separation film is a portion extended from the outer edge of the flange. The separation film easy-to-grip portion according to the present invention has the above-described configuration. When separating the opening device from the paper container, when the separation film easy-to-grip portion is pulled up, the separation film and the laminated packaging material for the paper container In particular, the strongest stress is generated between the outermost layer, the weak outermost layer is broken by the stress, and the paper base material layer to be fused with the outermost layer is also broken. Since the thick paper base is fibrous, it can be easily peeled off in layers, and the paper base can be peeled off along the outer peripheral edge of the opening, and the spout and flange can be peeled off. it can.
　この発明の好ましい態様において、フランジの外縁側の容器頂部に、熱可塑性最外層から紙基材の途中まで切込みが形成されている。分離用フィルムの把持容易部を引き上げる際に、切込みから層状剥ぎ取りをより容易に開始させることができ、よりスムーズに、よりコントロールされた状態でリサイクルを行うことができる。 In a preferred embodiment of the present invention, a notch is formed in the container top on the outer edge side of the flange from the outermost thermoplastic layer to the middle of the paper substrate. When pulling up the easy-to-grip portion of the separation film, it is possible to more easily start the layer peeling from the cut, and the recycling can be performed more smoothly and in a more controlled state.
　この発明の好ましい態様において、開封装置が、スパウトと、フランジと、キャップと、スパウト内に収納される回転刃とを備える。回転刃がスパウト内に収納され、開口部の封止フィルムを簡易に切断することができ、開封用の尖ったプラスチック部分、回転刃があっても、よりコントロールされた状態で分離分別を行うことができる。 In a preferred aspect of the present invention, the opening device includes a spout, a flange, a cap, and a rotary blade housed in the spout. The rotary blade is housed in the spout, and the sealing film in the opening can be easily cut, and even if there is a sharp plastic part for opening and a rotary blade, separation and separation are performed in a more controlled state Can do.
この発明の実施例による紙容器において、スパウトと、フランジと、キャップと、スパウト内に収納される回転刃とを備える開封装置が、組立てられ（ａ）、（ｂ）、容器に接合され（ｃ）、（ｄ）、使用時に開封され（ｅ）、再封止され（ｆ）、分離分別される（ｇ）、（ｈ）様子を示す部分外観図である。In a paper container according to an embodiment of the present invention, an opening device including a spout, a flange, a cap, and a rotary blade housed in the spout is assembled (a), (b), and joined to the container (c ), (D) are partial external views showing how they are opened (e), resealed (f), separated and separated (g), (h) during use. この発明の実施例による紙容器において、分離分別される様子を示す部分断面図である。It is a fragmentary sectional view which shows a mode that it separates and separates in the paper container by the Example of this invention. この発明の実施例による紙容器において、開封装置の様子を示す部分平面図である。In the paper container by the Example of this invention, it is a fragmentary top view which shows the mode of an opening apparatus. この発明で使用することができる紙容器の外観図である。It is an external view of the paper container which can be used by this invention.
　以下、本発明の実施の形態について、添付図面を参照しながら詳細に説明する。この実施例による紙容器１は、図４（Ｂ）に例示すように、容器頂部にキャップ６及びスパウト７を有する開封装置２を備える。容器１の頂部に、開封装置２が、開口部３に注ぎ口を形成する。スパウト７が注ぎ口の機能を担い、キャップ６がスパウト７を覆い、衛生的にスパウト７を保護し、開封後は再封止する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The paper container 1 by this Example is provided with the opening apparatus 2 which has the cap 6 and the spout 7 in the container top part, as illustrated in FIG.4 (B). An opening device 2 forms a spout in the opening 3 at the top of the container 1. The spout 7 functions as a spout, and the cap 6 covers the spout 7 to protect the spout 7 hygienically and reseal it after opening.
　この実施例による紙容器１は、紙基材９と熱可塑性材料の最外層及び最内層との積層包装材料８からなる。両熱可塑性層は、基材の紙層を水、湿気から保護し、紙基材は機械的強度を容器に付与し、器壁の厚みの大部分を占める。厚みのある紙基材は繊維質であるので、図２（ｂ）に示すように、容易に層状１３に剥がれる。 The paper container 1 according to this embodiment is composed of a laminated packaging material 8 of a paper base material 9 and an outermost layer and an innermost layer of a thermoplastic material. Both thermoplastic layers protect the paper layer of the substrate from water and moisture, and the paper substrate imparts mechanical strength to the container and occupies most of the thickness of the vessel wall. Since the thick paper base is fibrous, it is easily peeled off into the layer 13 as shown in FIG.
　この実施例による開封装置２は、図１（ａ）～（ｃ）に示すように、封止フィルム４が張られた開口部３上のスパウト７と、開口部３の周縁外面上のフランジ１０と、キャップ６とからなる。スパウト７は、開封時に、図１（ｅ）～（ｆ）に示すように、封止フィルム４が破られ開口部３に開口が形成され、注ぎ口の役割を果たす。フランジは、スパウト７の基部に一体的に配設され、開口部の周縁外面上に接合されて容器に固定される。 As shown in FIGS. 1A to 1C, the opening device 2 according to this embodiment includes a spout 7 on the opening 3 on which the sealing film 4 is stretched, and a flange 10 on the outer peripheral surface of the opening 3. And a cap 6. When the spout 7 is opened, as shown in FIGS. 1 (e) to 1 (f), the sealing film 4 is broken and an opening is formed in the opening 3, thereby serving as a spout. The flange is integrally disposed at the base of the spout 7 and is joined to the outer peripheral surface of the opening to be fixed to the container.
　この実施例において、開封装置２が、スパウト７と、フランジ１０と、キャップ６と、スパウト内に収納される回転刃１１とを備える。回転刃１１は、図１（ａ）に示すように、組立時に、スパウト内に収納される。使用時に、図１（ｅ）に示すように、キャップ６の上方回転によって、回転しながら下方に下降し、開口部３の封止フィルム４を簡易に切断する。 In this embodiment, the opening device 2 includes a spout 7, a flange 10, a cap 6, and a rotary blade 11 housed in the spout. As shown in FIG. 1A, the rotary blade 11 is housed in a spout during assembly. At the time of use, as shown in FIG. 1 (e), the cap 6 is rotated downward by the upward rotation of the cap 6, and the sealing film 4 in the opening 3 is simply cut.
　この実施例による紙容器１は、図２、図３に示されるように、開口部３の周縁外面上に積層され、フランジ１０の底面と接合され、フランジ１０の外縁より延長した把持容易部１２ａを備える分離用フィルム１２を備える。分離用フィルム１２は、開口部３の周縁外面とフランジ１０底面との間に積層される。分離用フィルム１２の把持容易部１２ａは、フランジ１０の外縁より延長した部分となる。 As shown in FIGS. 2 and 3, the paper container 1 according to this embodiment is laminated on the outer peripheral surface of the opening 3, joined to the bottom surface of the flange 10, and extended from the outer edge of the flange 10. A separation film 12 is provided. The separation film 12 is laminated between the outer peripheral surface of the opening 3 and the bottom surface of the flange 10. The easy gripping portion 12 a of the separation film 12 is a portion extended from the outer edge of the flange 10.
　この実施例による分離用フィルムの把持容易部１２ａは、図２に示すように、開封装置２を紙容器１から分離するに際して、分離用フィルム１２の把持容易部１２ａを引き上げ、分離用フィルム１２と紙容器の積層包装材料８と、それらの間にストレスが発生し、ストレスによって弱い層が破断し、それと融着する紙基材層９も破断が生じ、厚みのある紙基材８は、容易に層状に剥がれ、開口部の周縁外面下１３に沿って、紙基材を層状に剥ぎ取る。図２（ｂ）に示すように、スパウト７とフランジ１０とを引き剥がす。 As shown in FIG. 2, the separation film easy-to-grip portion 12 a according to this embodiment pulls up the easy-to-grip portion 12 a of the separation film 12 when separating the opening device 2 from the paper container 1. A stress is generated between the laminated packaging material 8 of the paper container, the weak layer is broken by the stress, and the paper base material layer 9 to be fused with it is also broken. Then, the paper substrate is peeled off in layers along the lower peripheral outer surface 13 of the opening. As shown in FIG. 2B, the spout 7 and the flange 10 are peeled off.
　この実施例において、フランジ１０の外縁側の容器頂部に、図２、図３に示されるように、熱可塑性最外層から紙基材８の途中まで切込み１４が形成されている。分離用フィルムの把持容易部１２ａを引き上げる際に、切込み１４から層状剥ぎ取りをより容易に開始させ、よりスムーズに、よりコントロールされた状態でリサイクルを行う。開封用の尖ったプラスチック部分、回転刃１１があっても、よりコントロールされた状態で分離分別を行う。 In this embodiment, as shown in FIGS. 2 and 3, a cut 14 is formed from the outermost thermoplastic layer to the middle of the paper substrate 8 at the top of the container on the outer edge side of the flange 10. When pulling up the easy-to-hold part 12a of the separation film, the layered stripping is started more easily from the notch 14, and the recycling is performed in a smoother and more controlled state. Even if there is a sharp plastic part for opening and the rotary blade 11, separation and separation are performed in a more controlled state.
　なお、本発明は実施の形態に限定されるものではなく、本発明の趣旨に基づいて種々変形させることが可能であり、それらを本発明の範囲から排除するものではない。 The present invention is not limited to the embodiments, and various modifications can be made based on the gist of the present invention, and they are not excluded from the scope of the present invention.
　この発明は、液体食品の包装充填の製造に適用することができる。 This invention can be applied to the manufacture of liquid food packaging.
１　　紙容器
２　　開封装置
３　　開口部
６　　キャップ
７　　スパウト
１０　フランジ DESCRIPTION OF SYMBOLS 1 Paper container 2 Unsealing apparatus 3 Opening part 6 Cap 7 Spout 10 Flange

Claims (3)

  1. 　容器頂部にキャップ及びスパウトを有する開封装置を備える紙容器であって、該紙容器が紙基材と熱可塑性材料の最外層及び最内層との積層包装材料からなり、該開封装置が、封止フィルムが張られた開口部上のスパウトと、開口部の周縁外面上のフランジと、キャップとからなり、該開口部の周縁外面上に積層され、該フランジの底面と接合され、該フランジの外縁より延長した把持容易部を備える分離用フィルムを備え、該開封装置を紙容器から分離するに際して、該分離用フィルムの該把持容易部を引き上げることにより、該開口部の周縁外面下の該紙基材を剥ぎ取りながら、該スパウトと該フランジとを引き剥がすことを特徴とする紙容器。 A paper container comprising an opening device having a cap and a spout at the top of the container, wherein the paper container is made of a laminated packaging material of a paper base material and an outermost layer and an innermost layer of a thermoplastic material, and the opening device is sealed A spout on the opening in which the film is stretched, a flange on the outer peripheral surface of the opening, and a cap, laminated on the outer peripheral surface of the opening, joined to the bottom surface of the flange, and the outer edge of the flange A separation film having a more easily gripped portion, and when separating the opening device from the paper container, by pulling up the gripped portion of the separation film, the paper base below the outer peripheral surface of the opening A paper container, wherein the spout and the flange are peeled off while peeling off the material.
  2. 　該フランジの外縁側の該容器頂部に、該熱可塑性最外層から該紙基材の途中まで切込みが形成されている請求項１記載の紙容器。 The paper container according to claim 1, wherein a cut is formed in the top of the container on the outer edge side of the flange from the outermost thermoplastic layer to the middle of the paper substrate.
  3. 　該開封装置が、該スパウトと、該フランジと、該キャップと、該スパウト内に収納される回転刃とを備える請求項２記載の紙容器。 The paper container according to claim 2, wherein the opening device includes the spout, the flange, the cap, and a rotary blade housed in the spout.
PCT/JP2014/074856 2013-09-22 2014-09-19 Paper container WO2015041323A1 (en)

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Publication number Priority date Publication date Assignee Title
US10479550B2 (en) 2012-03-26 2019-11-19 Kraft Foods R & D, Inc. Packaging and method of opening
US10507970B2 (en) 2013-03-07 2019-12-17 Mondelez Uk R&D Limited Confectionery packaging and method of opening
US10513388B2 (en) 2013-03-07 2019-12-24 Mondelez Uk R&D Limited Packaging and method of opening

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JPH09221128A (en) * 1996-02-14 1997-08-26 Toppan Printing Co Ltd Paper-made container for liquid having mouth plug
JPH09226750A (en) * 1996-02-21 1997-09-02 Toppan Printing Co Ltd Paper container for liquid with plug
JPH11180431A (en) * 1997-12-18 1999-07-06 Dainippon Printing Co Ltd Paper container for liquid
JPH11310230A (en) * 1998-04-27 1999-11-09 Dainippon Printing Co Ltd Paper container with pouring port
JP2003026219A (en) * 2001-05-29 2003-01-29 Tetra Laval Holdings & Finance Sa Sealable opening device for seal-package of liquid food
WO2009001503A1 (en) * 2007-06-26 2008-12-31 Nippon Paper-Pak Co., Ltd. Paper container with mouth cap

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02127244A (en) * 1988-05-02 1990-05-15 Internatl Paper Co Adhesion for resin injection port
JPH09221128A (en) * 1996-02-14 1997-08-26 Toppan Printing Co Ltd Paper-made container for liquid having mouth plug
JPH09226750A (en) * 1996-02-21 1997-09-02 Toppan Printing Co Ltd Paper container for liquid with plug
JPH11180431A (en) * 1997-12-18 1999-07-06 Dainippon Printing Co Ltd Paper container for liquid
JPH11310230A (en) * 1998-04-27 1999-11-09 Dainippon Printing Co Ltd Paper container with pouring port
JP2003026219A (en) * 2001-05-29 2003-01-29 Tetra Laval Holdings & Finance Sa Sealable opening device for seal-package of liquid food
WO2009001503A1 (en) * 2007-06-26 2008-12-31 Nippon Paper-Pak Co., Ltd. Paper container with mouth cap

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10479550B2 (en) 2012-03-26 2019-11-19 Kraft Foods R & D, Inc. Packaging and method of opening
US10507970B2 (en) 2013-03-07 2019-12-17 Mondelez Uk R&D Limited Confectionery packaging and method of opening
US10513388B2 (en) 2013-03-07 2019-12-24 Mondelez Uk R&D Limited Packaging and method of opening

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JP2015061791A (en) 2015-04-02

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